January 1986 v.37 n.1
Cover: High-Precision Architecture
Compilers for the New Generation of Hewlett-Packard Computers. Compilers are particularly important for the reduced-complexity, high-precision architecture of the new machines. They make it possible to realize the full potential of the new architecture, by Jon W. Kelley, Deborah S. Coutant, Carol L. Hammond, pg 4-18. Spectrum program.
See Also: Reader Forum: Letter from D. ing [sic] Dejan Claud regarding “Compilers for the New Generation of Hewlett-Packard Computers”; letter from Michael J. Mahon regarding LOAD executions, page 44 in the August 1986 issue.
Components of the Optimizer, by Suneel Jain, pg 6-7
An Optimization Example, pg 16-17
Authors January 1986: John W. Kelley, Deborah [Debbie] S. Coutant, Carol L. Hammond, Thomas [Tom] H. Daniels, John Fenoglio, Steven [Steve] T. Van Voorhis, Emil Maghakian, Frances [Frank] E. Bockman, Jorge Sanchez, Daniel [Dan] B. Harrington, pg 18-19
A Stand-Alone Measurement Plotting System. This compact laboratory instrument serves as an X-Y recorder, a low-frequency waveform recorder, a digital plotter, or a data acquisition system, by Thomas H. Daniels, John Fenoglio, pg 20-24. 7090A.
Eliminating Potentiometers, by Stephen D. Goodman, pg 22-23
Digital Control of Measurement Graphics. Putting a microprocessor in the servo loop is a key feature. A vector profiling algorithm is another, by Steven T. Van Voorhis, pg 24-26. 7090A.
Measurement Graphics Software. This package simplifies measuring, recording, plotting, and annotating low-frequency phenomena, by Francis E. Bockman, Emil Maghakian, pg 27-32. 7090A, 17090A.
Analog Channel for a Low-Frequency Waveform Recorder. No potentiometers are used in this design that automatically zeros and calibrates its input ranges, by Jorge Sanchez, pg 32-35. 7090A.
Usability Testing: A Valuable Tool for PC Design. Evaluating the experiences of users unfamiliar with a new computer product can provide valuable guidance to the designer and the documentation preparer, by Daniel B. Harrington, pg 36-40.
February 1986 v.37 n.2
Cover: A photomicrograph of a gallium arsenide sampler chip
Gallium Arsenide Lowers Cost and Improves Performance of Microwave Counters. A proprietary GaAs sampling integrated circuit is the basis for a new family of microwave counters that operate up to 40 GHz, by Scott R. Gibson, pg 4-10. 5350/51/52A
Creating Useful Diagnostics, by Sally Martin, pg 5
Manufacturing Advances, by Tom Beckman, pg 7
A New Power Transformer, by Bo Garrison, pg 9
Optimum Solution for IF Bandwidth and LO Frequencies in a Microwave Counter. Inequalities involving the IF bandwidth and LO frequencies were used as constraints in a computer-solved linear programming problem, by Luiz Peregrino, pg 11-14
Seven-Function Systems Multimeter Offers Extended Resolution and Scanner Capabilities. This new 3 1/2 to 6 1/2 digit DMM measures frequency and period as well as dc and ac voltage, dc and ac current, and resistance. Extended resolution provides an extra digit, by Thomas G. Rodine, Joseph E. Mueller, Scott D. Stever, Ronald K. Tuttle, Douglas W. Olsen, pg 15-23. 3457A.
Advanced Scalar Analyzer System Improves Precision and Productivity in R&D and Production Testing. This “voltmeter for the microwave engineer” measures insertion loss and gain, return loss, and power quickly and accurately, by Frederic W. Woodhull II, John C. Faick, Kenneth A. Richter, Joseph Rowell, Jr., Jacob H. Egbert, Douglas C. Bender, Keith F. Anderson, pg 24-38. 8757A.
Filter Measurement with the Scalar Network Analyzer, pg 25
Scalar Analyzer System Error Correction, pg 29-30
Calibrator Accessory, pg 33
Voltage-Controlled Device Measurements, pg 37
Authors February 1986: Scott R. Gibson, Luiz [Lou] Peregrino, Thomas [Tom] G. Rodine, Ronald [Ron] K. Tuttle, Douglas [Doug] W. Olsen, Joseph [Joe] E. Mueller, Scott D. Stever, Douglas [Doug] C. Bender, Jacob [Jake] H. Egbert, Kenneth A. Richter, Frederick [Fred] W. Woodhull II, John C. Faick, Keith F. Anderson, Joseph Rowell, Jr., pg 39-40
March 1986 v.37 n.3
Cover: The HP Flight Planner/Flight Simulator application
An Introduction to Hewlett-Packard’s AI Workstation Technology. Here is an overview of HP artificial intelligence workstation research efforts and their relationship to HP’s first AI product, a Common Lisp Development Environment, by Martin R. Cagan, pg 4-14
HP’s University AI Program, by Seth G. Fearey, pg 7
A Defect Tracking System for the UNIX Environment. Created in response to a lack of effective defect tracking and analysis tools for software development, DTS in now used by 24 HP divisions, by Steven R. Blair, pg 15-18.
A Toolset for Object-Oriented Programming in C. Object-oriented programming seeks to encapsulate entities in a program into objects, methods, and messages. It is useful for writing highly dynamic software that is well-structured and easily maintainable. This paper presents a set of tools that support object-with-methods-data structuring, by Gregory D. Burroughs, pg 19-23
Appendix: The following program fragment is the example from the accompanying paper as it would appear to the program designer, pg 23
Tools for Automating Software Test Package Execution. Developed by one HP Division and now used by others, these two tools reduce the time it takes to develop test packages and make it easy to reuse test packages in regression testing, by Craig D. Fuget, Barbara J. Scott, pg 24-28. Virtual Terminal, Scaffold Test Package Automation Tool and Test Package Standard.
Using Quality Metrics for Critical Application Software. Software metrics have been used to evaluate the quality of a computer-based medical device produced by a large-scale software development project, by William T. Ward, pg 28-31
P-PODS: A Software Graphical Design Tool. P-PODS enforces formal software design, allows designs to be maintained on-line and produces output suitable for design walkthroughs, by Robert W. Dea, Vincent J. D’Angelo, pg 32-35
Triggers: A Software Testing Tool. Triggers as a software testing methods focuses on testing the boundary conditions of the software, and enables the software tester to be more productive, by John R. Bugarin, pg 35-36
Hierarchy Chart Language Aids Software Development. HCL is used by software designers at several Hewlett-Packard Divisions to speed up the process of generating hierarchy charts, by Bruce A. Thompson, David J. Ellis, pg 37-42
Module Adds Data Logging Capabilities to the HP-71B Computer. This 64K-byte plug-in ROM offers new BASIC language keywords for control of a battery-powered data acquisition and control unit and nine application programs for data capture, presentation, and transmission to host computers, by James A. Donnelly, pg 43-46. 3421A.
System Monitor Example, pg 45
Authors March 1986: Martin [Marty] R. Cagan, Steven [Steve] R. Blair, Gregory [Greg] D. Burroughs, Craig D. Fuget, Barbara J. Scott, William [Jack] T. Ward, Robert [Bob] W. Dea, Vincent [Vince] J. D’Angelo, John R. Bugarin, Bruce A. Thompson, David J. Ellis, James [Jim] A. Donnelly, pg 47-48
April 1986 v.37 n.4
Cover: The seven hybrid circuits in each instrument of the HP 54110D
A Data Acquisition System for a 1-GHz Digitizing Oscilloscope. Random repetitive sampling yields an equivalent digitizing rate of 100 GHz for repetitive signals, by Kenneth Rush, Danny J. Oldfield, pg 4-11.54100A/D.
General-Purpose 1-GHz Digitizing Oscilloscopes, by Arthur W. Porter, pg 5-6
High-Performance Probe System for a 1-GHz Digitizing Oscilloscope. Because a typical system includes more than one class of signal, a versatile probe system is a must, by Arnold S. Berger, Kenneth Rush, William H. Escovitz, pg 11-19. 54100A/D.
Waveform Graphics for a 1-GHz Digitizing Oscilloscope. Fast plotting algorithms approximate the feel of an analog oscilloscope, by Rodney T. Schlater, pg 20-25. 54100A/D.
Hardware Implementation of a High-Performance Trigger System. The trigger system resembles the front end of a logic analyzer, by Scott A. Genther, Eddie A. Evel, pg 26-33. 54100A/D.
1-GHz Digitizing Oscilloscope Uses Thick-Film Hybrid Technology. some new processes were developed and some old ones were improved, by Derek E. Toeppen, pg 33-36. 54100A/D.
A Modular Power Supply. A primary assembly drives two switching mode dc-to-dc converters, by Jimmie D. Felps, pg 37-39. 54100A/D.
Program Helps Teach Digital Microwave Radio Fundamentals. The student is able to observe a model communications system and see the results of noise, fading and nonlinearities, by Christen K. Pedersen, pg 40-46. IQ Tutor, I·Q Tutor, 11736A.
Authors April 1986: Danny [Dan] J. Oldfield, Kenneth [Ken] Rush, Arnold [Arnie] S. Berger, William [Bill] H. Escovitz, Rodney [Rod] T. Schlater, Scott A. Genther, Eddie [Ed] A. Evel, Derek Toeppen, Jimmie [Jim] D. Felps, Christen [Chris] K. Pedersen, pg 47-48
May 1986 v.37 n.5
Cover: 61016A screen image reflected on other instruments
Low-Cost Automated Instruments for Personal Computers. Designed for the automated test and measurement requirements of a wide range of technical professionals, the components of this personal computer-based system include eight of the most widely used electronic instruments in modular, stackable cases, by William T. Walker, Charles J. Rothschild 3rd, Robert C. Sismilich, pg 4-10. HP PC Instruments
PC Instruments Modules, by Allan Levine, pg 6
Instrumentless Front-Panel Program Demonstrates Product Concept, by Robert C. Sismilich, pg 7
Versatile Microcomputer is Heart of PC Instruments Oscilloscope Module, by Dennis J. Weller, pg 8
Mechanical and Industrial Design of the PC Instruments Cabinet, by George Kononenko, David Schlesinger, pg 10
PCIB: A Low-Cost, Flexible Instrument Control Interface for Personal Computers. Two independent channels for serial and parallel communication are key to its design, by William L. Hughes, Kent W. Luehman, pg 11-16
A Custom HQMOS Bus Interface IC, by Diana G. Bostick, Ricky L. Pettit, pg 14-15
Interactive Computer Graphics for Manual Instrument Control. Using a PC’s CRT screen as an instrument’s front panel simplifies control and lowers the instrument’s cost, by William T. Walker, Robert C. Sismilich, pg 17-26. HP PC Instruments.
Mouse in Danger: Managing Graphics Objects, by Daniel J. Martin, pg 20
Oscilloscope Software Leverages Previous Concepts and Algorithms, by Helen Muterspaugh, Mimi Beaudoin, pg 22
Automated Testing of Interactive Graphics User Interfaces, by Buck H. Chan, pg 24-25
Industrial Design of Soft Front Panels, by David Schlesinger, pg 26
HP-IB Command Library for MS-DOS Systems. PC users can now control and use high-performance instruments with this software package and an appropriate HP-IB 9IEEE 488/IEC 625) interface, by David L. Wolpert, pg 27-29
Case Study: PC Instruments Counter Versus Traditional Counters. Combining the power of a personal computer with the measurement capability of a low-cost module with no front-panel controls of its own can be an attractive alternative to using traditional instruments for the owner of a personal computer, by Edward Laczynski, Robert V. Miller, pg 29-32. 61015A.
Reciprocal Counting in Firmware, by Robert V. Miller, pg 32
Salicide: Advanced Metallization for Submicrometer VLSI Circuits. A self-aligned titanium silicide process can be used to provide lower contact and interconnect resistances in VLSI circuits if one accounts for the effects of impurities, dopant redistribution, phase formation, and grain growth, by Jun Amano, pg 33-39. Self-aligned silicide.
Authors May 1986: Charles [Charlie] J. Rothschild 3rd, Robert [Bob] C. Sismilich, William [Bill] T. Walker, William [Bill] L. Hughes, Kent W. Luehman, David [Dave] L. Wolpert, Edward [Ed] Laczynski, Robert [Bob] V. Miller, Jun Amano, pg 39-40
June 1986 v.37 n.6
Cover: Integrated circuit artwork drawn automatically by a silicon complier
Integrated Circuit Procedural Language. ICPL is a Lisp-embedded procedural layout language for VLSI design. Circuit design in ICPL involves writing and working with programs that resemble procedures, take parameters, and can use the full symbolic programming power of Lisp. This allows circuit designers to write high-level software that procedurally builds ICs, by Paul K. Yip, Jeffrey A. Lewis, Andrew A. Berlin, Allan J. Kuchinsky, pg 4-10
Knowledge-Assisted Design and the Area Estimation Assistant, by Benjamin Y.M. Pan, Michael How, Allan J. Kuchinsky, pg 8-9
New Methods for Software Development: System for Just-in-Time Manufacturing. New approaches in prototyping, next-bench involvement, performance modeling, and project management created a high-quality software product in the absence of standards or existing systems, by Robert A. Passell, Raj K. Bhargava, Teri L. Lombardi, Alvina Y. Nishimoto, pg 11-18. HP JIT.
Comparing Manufacturing Methods, pg 13
Authors June 1986: Allan J. Kuchinsky, Paul K. Yip, Andrew [Andy] A. Berlin, Jeffrey [Jeff] A. Lewis, Alvina Y. Nishimoto, Robert [Bob] A. Passell, Teri L. Lombardi, Raj Bhargava, Raymond [Ray] G. O’Connell, Paul A. Magnin, James Chen, Leslie [Les] I. Halberg, Karl E. Thiele, Sydney [Syd] Karp, Barry F. Hunt, David [Dave] C. Hempstead, Steven [Steve] C. Leavitt, , pg 18-19
The Role of Doppler Ultrasound in Cardiac Diagnosis. In ultrasound imaging, a pulse of acoustic energy is transmitted into the human body and the strengths of the returning echoes from various organs and tissues are used to form an image on a display screen. Further information about blood flow and movement can be gained by measuring the shifts in the frequency of the echoes, by Raymond G. O’Connell, Jr., pg 20-25
Correction: The photographs in figure 3 on page 22, figure 4 on page 23, and figure 5 on page 24 in the article “The Role of Doppler Ultrasound in Cardiac Diagnosis”, were reproduced without any gray tones, page 22 in the August 1986
Doppler Effect: History and Theory. Data about blood flow anomalies can be obtained by observing the shift in frequency of ultrasonic imaging pulse echoes, by Paul A. Magnin, pg 26-31
Power and Intensity Measurements for Ultrasonic Doppler Imaging Systems. Carefully controlling the acoustic energy transmitted into the human body requires accurate analysis methods, by James Chen, pg 31-34.
See Also: Correction: A paragraph on page 34 in the article “ Power and Intensity Measurements for Ultrasonic Doppler Imaging Systems”, was omitted, page 41 in the July 1984 issue
Extraction of Blood Flow Information Using Doppler-Shifted Ultrasound. Frequency shifts in ultrasonic echoes are detected by means of specially designed filters and a quadrature sampler, by Karl E. Thiele, Leslie I. Halberg, pg 35-40. 77410A.
Continuous-Wave Doppler Board, by Rich Jundanian, pg 37
Observation of Blood Flow and Doppler Sample Volume, by Al Tykulsky, pg 39
Modifying an Ultrasound Imaging Scanner for Doppler Measurements. Changes in timing, more precise focusing, processing enhancements, and power-limiting software had to be developed, by Sydney M. Karp, pg 41-44. 77020A, 77200B.
Digital Processing Chain for a Doppler Ultrasound Subsystem. Time-domain quadrature samples are converted into a gray-scale spectral frequency display using a fast Fourier transform, moment calculations, and digital filtering, by David C. Hempstead, Barry F. Hunt, Steven C. Leavitt, pg 45-48. 77410A.
July 1986 v.37 n.7
Cover: HP’s briefcase-portable computers: The Portable and the Portable Plus
Design of HP’s Portable Computer Family. The Portable and Portable Plus Computers are compact, lightweight, battery-powered personal computers with built-in software and 80-character-line liquid-crystal displays designed for use by professionals who need portable computing capability in their work, by Courtney Loomis, Ella M. Duyck, Carl B. Lantz, John T. Eaton, Clifford B. Cordy, Jr., James W. Pearson, Michael J. Barbour, pg 4-13
Inside the LCDs for the Portable and Portable Plus, by Glenn Adler, pg 6-7
Low-Power Modes for Portable Computers, by Alesia Duncombe, pg 10-11
Hollow Studs for Package Assembly, pg 13
I/O and Data Communications in Portable Computers. Low-power consumption and small size are major design constraints for built-in modems and interfaces, by Andrew W. Davidson, Harold B. Noyes, pg 14-17. Portable, Portable Plus.
Personal Applications Manager for HP Portable Computers. PAM simplifies use of the Portable and Portable Plus Computers, even if the user is unfamiliar with MS-DOS commands, by Robert B. May, Alesia Duncombe, pg 18-21
Memory Management for Portable Computers. Handling a large system memory with electronic discs and built-in application ROMs requires clever control, by Mark S. Rowe, pg 21-25. Portable, Portable Plus.
A Hybrid Solution for a 25-Line LCD Controller. A hybrid design significantly reduces the space required while accommodating the needs of a larger display, by Glenn J. Adler, pg 25-27. Portable Plus.
Creating Plug-In ROMs for the Portable Plus Computer. An HP software package makes it easier for users to develop their own applications ROMs for the Portable Plus, by William R. Frolik, pg 28-30
Structure of a Plug-In ROM, pg 29
Authors July 1986: Carl B. Lantz, Michael [Mike] J. Barbour, James [Jim] W. Pearson, Courtney Loomis, Ella M. Duyck, John T. Eaton, Clifford [Cliff] B. Cordy, Jr., Harold B. Noyes, Andrew [Andy] W. Davidson, Alesia Duncombe, Robert [Bob] B. May, Mark S. Rowe, Gleen J. Adler, William [Bill] R. Frolik, Robert [Bob] J. Schneider, David L. Frydendall, Robert [Bob] M. Lenk, Bonnie Dykes Stahlin, Andrew [Drew] G. Anderson, Robert [Rob] D. Gardner, Ronald [Ron] G. Tolley, James [Jim] M. Umphrey, Jeffrey [Jeff] Tomberlin, Jeffrey [Jeff] H. Smith, Gordon A. Jensen, Stephen [Steve] P. Reames, Jerry D. Morris, pg 31-33
New HP-UX Features for HP 9000 Series 300 Workstations. The capabilities of the HP-UX operating system have been extended in the Series 300 implementation to handle real-time applications, communication with X.25 networks, and operating in native language, by David L. Frydendall, Bonnie Dykes Stahlin, Robert D. Gardner, Robert M. Lenk, Ronald G. Tolley, Andrew G. Anderson, Robert J. Schneider, pg 34-41
See Also: Reader Forum: Letter from John P. Chambers regarding local customs mentioned in “New HP-UX Features for HP 9000 Series Workstation”; letter from author Ronald G. Tolley regarding Native Language Support discussed in the same article, page 32 in the December 1986 issue.
Correction: A paragraph on page 34 in the article “ Power and Intensity Measurements for Ultrasonic Doppler Imaging Systems”, page 31 in the June 1986 issue, was omitted, pg 41
A Protocol Analyzer for Local Area Networks. This new analyzer allows 10 Mbit/s network monitoring, testing, and performance analysis independent of hardware and software composition. It permits a user to view network traffic, simulate node-to-node or network-wide traffic, and derive network statistics, by Gordon A. Jensen, Jeffrey H. Smith, Jeffrey Tomberlin, Stephen P. Reames, James M. Umphrey, Jerry D. Morris, pg 42-48. 4971S.
August 1986 v.37 n.8
Cover: A “block diagram” representing the HP Precision Architecture execution engine
Hewlett-Packard Precision Architecture: The Processor. This article describes the architecture’s basic organization, executive model, control flow model, addressing and protection model, functional operations, and instruction format and encoding, by William R. Bryg, Ruby Bei-Loh Lee, Michael J. Mahon, Jerome C. Huck, Terrence C. Miller, pg 4-21
See Also: Reader Forum: Letter from Yoav Talgam regarding “Hewlett-Packard Precision Architecture: The Processor”; letter from Michael J. Mahon regarding RISC-style processor architecture, page 40 in the April 1987 issue.
Floating-Point Coprocessor, pg 8-9
HP Precision architecture Caches and TLBs, pg 16-17
Authors August 1986: William [Bill] R. Bryg, Ruby Bei-Loh Lee, Michael J. Mahon, Jerome C. Huck, Terrence C. Miller, David [Dave] V. James, Stephen G. Burger, Robert [Bob] D. Odineal, Joseph [Tony] A. Lukes, Daniel [Dan] J. Magenheimer, pg 21-22
Correction: The photographs in figure 3 on page 22, figure 4 on page 23, and figure 5 on page 24 in the article “The Role of Doppler Ultrasound in Cardiac Diagnosis”, page 20 in the June 1986 issue, were reproduced without any gray tones, pg 22
“In printing the June 1986 issue, the photographs in Fig. 3 on page 22, Fig. 4 on page 23, and Fig. 5 on page 24 were reproduced without any gray tones…”, pg 22
Hewlett-Packard Precision Architecture: The Input/Output System. A simple, uniform architecture satisfies the I/O needs of large and small systems, and provides flexibility for future enhancements, by Robert D. Odineal, David V. James, Stephen G. Burger, pg 23-30
Hewlett-Packard Precision Architecture Performance Analysis. Performance analysis was crucial to instruction set selection, CPU design, MIPS determination, and system performance measurement, by Joseph A. Lukes, pg 30-39
The HP Precision Simulator. Designed for flexibility, portability, speed and accuracy, the simulator is useful for both hardware and software development, by Daniel J. Magenheimer, pg 40-43
Remote Debugger, by Dan Magenheimer, pg 43
Reader Forum: Letter from D. ing [sic] Dejan Claud regarding “Compilers for the New Generation of Hewlett-Packard Computers”, page 4 in the January 1986 issue; letter from Michael J. Mahon regarding LOAD executions, pg 44
September 1986 v.37 n.9
Cover: The Series 300 offers a range of options that would bewilder the typical PC buyer
Advanced Modular Engineering Workstations. This workstation system allows the user to choose the processor, display system, memory, interface cards, peripherals, and operating system most appropriate for the application, by Daryl E. Knoblock, John C. Keith, Michael K. Bowen, Gilbert I. Sandberg, Ronald P. Dean, pg 4-9. HP 9000 Series 300.
Modular Computer Low-End Processor Board Design. This single-board computer operates at 10 MHz and contains integral I/O interfaces, RAM, boot ROM, and bit-mapped display electronics, by Nicholas P. Mati, Martin L. Speer, pg 9-12. HP 9000 Model 310.
High-Performance SPU for a Modular Workstation Family. Users needing more performance than that provided by the SPU described in the preceding article can upgrade their system with this SPU running at 16.67 MHz and containing a 16K-byte cache memory, by Jonathan J. Rubinstein, pg 12-16. HP 9000 Model 320.
Custom VLSI Circuits for Series 300 Graphics. Two chips, a display controller and a color map and video DAC, reduce costs while improving the performance of bit-mapped, medium and high resolution, monochrome and color displays, by Richard E. Warner, David J. Hodge, James A. Brokish, pg 17-22.
Display Custom IC Design Methodology, by Bruce P. Bergmann, Kenneth P. Sandberg, pg 20
Software Compatibility for Series 200 and Series 300 Computers. Several software obstacles exist for the Series 200 user who wants to move to HP’s new family of modular workstations, the HP 9000 Series 300. This article identifies these obstacles and describes the features of BASIC 4.0 (the latest release of HP’s enhanced version of the BASIC language system) designed to overcome them, by Rosemarie Palombo, pg 22-27
Authors September 1986: Gilbert I. Sandberg, Ronald [Ron] P. Dean, Daryl E. Knoblock, John C. Keith, Michael [Mike] K. Bowen, Nicholas [Nick] P. Mati, Martin L. Speer, Jonathan [Jon] J. Rubinstein, David [Dave] J. Hodge, Richard E. Warner, James [Jim] A. Brokish, Rosemarie [Rose] Palombo, Robert [Bob] A. Adams, Kristy Ward Swenson, Amy Tada Mueller, Luis Hurtado-Sanchez, Rebecca A. Dahlberg, pg 27-29
Implementing a Worldwide Electronic Mail System. This paper reports Hewlett-Packard’s experience in the internal implementation of HP’s own electronic mail system product. HP DeskManager. Prospective implementers of electronic mail systems can use this information to increase their likelihood of success, by Robert A. Adams, Kristy Ward Swenson, Rebecca A. Dahlberg, Amy Tada Mueller, Luis Hurtado-Sanchez, pg 30-48
October 1986 v.37 n.10
Cover: A representation of a wide area network linking fanciful cities
Hewlett-Packard and the Open Systems Interconnection Reference Model. The OSI Reference Model of the International Organization for Standardization is seen as the most significant tool for meeting HP’s customers’ needs, by Donald C. Loughry, Gertrude G. Reusser, pg 4-5. ISO.
HP AdvanceNet: A Growth-Oriented Computer Networking Architectural Strategy. Based on the seven-layer ISO OSI model, HP AdvanceNet accommodates old and new protocols in the same network, ensures migration paths to new systems, and provides ease of use and transparency, by Atul Garg, Craig Wassenberg, Lyle A. Weiman, Robert J. Carlson, Arie Scope, pg 6-10. Open Systems Interconnection.
Network Services and Transport for the HP 3000 Computer. NS/3000 provides network services for HP 3000 Computers attached to local area networks. It is compatible with older network products, it is expandable to new network topologies, and it can communicate with other HP computers, by Kevin J. Faulkner, Charles W. Knouse, Brian K. Lynn, pg 11-18. OSI, Open Systems Interconnection.
A Local Area Network for HP Computers. LAN/3000 implements the IEEE 802.2 and 802.3 standards to interconnect HP 3000 Computers to other HP 3000s and to HP 1000 and HP 9000 Computers, by Charles J. de Sostoa, Tonia G. Graham, pg 18-22
Network Services for HP Real-Time Computers. HP 1000 Computers have had networking capabilities for nearly 15 years. The latest network services product conforms to HP AdvanceNet standards and supports local area networks and very large networks, by David M. Tribby, pg 22-27
Networking Services for HP 9000 Computers. Developing a networking service for the members of the HP 9000 family presented a number of design challenges, among them dealing with different microprocessor architectures, the introduction of new members to the family, and being able to communicate with other HP computer products, by J. Christopher Fugitt, Dean R. Thompson, pg 28-32
Connecting NS/9000 and NS/3000, by Tim DeLeon, pg 29
Leaf Node Architecture, by Carl Dierschow, pg 31-32
Authors October 1986: Donald [Don] C. Loughry, Gertrude [Trudy] G. Reusser, Robert [Bob] J. Carlson, Craig Wassenberg, Atul Garg, Lyle A. Weiman, Arie Scope, Kevin J. Faulkner, Brian K. Lynn, Charles W. Knouse, Tonia [Toni] G. Graham, Charles [Chuck] J. de Sostoa, David [Dave] M. Tribby, J. Christopher [Chris] Fugitt, Dean R. Thompson, Pierry Mettetal, Nancy L. Navarro, Timothy [Tim] C. Shafer, Deepak V. Desai, pg 33-35.
X.25 Wide Area Networking for HP Computers. HP provides access to X.25 packet switched networks for HP computers, and in cooperation with another company, can provide entire networks, by Pierry Mettetal, pg 36-40
DMI/3000: A Move Toward Integrated Communication. This product implements AT&T Information Systems’ Digital Multiplexed Interface standard to provide communication between computers and terminals or other computers over private digital telephone networks, by Deepak V. Desai, Timothy C. Shafer, Nancy L. Navarro, pg 41-48
Glossary of DMI Terms, pg 42
Companies Supporting the DMI Standard, pg 47
November 1986 v.37 n.11
Cover: Several mixers with their horn antennas of various sizes for operation in different frequency bands
Molecular-Scale Engineering of Compound Semiconductor Materials. The ever increasing sophistication of semiconductor electronic devices and integrated circuits continues to place increasing demands on the precision with which the underlying semiconductor materials are produced. The development of molecular beam epitaxy allows the highly repeatable growth of compound semiconductor epitaxial films (such as GaAs and AlxGa1-xAs) with atomically abrupt changes in alloy composition and doping and with excellent uniformity by Douglas M. Collins, pg 4-10. MBE, Molecular beam epitaxy.
Compound Semiconductor Alloys and Heterojunctions, pg 6
The Modulation-Doped Heterojunction, pg 8-9
Extending Millimeter-Wave Diode Operation to 110 GHz. Developing more rugged, integratable diode structures is the key, by Sigurd W. Johnsen, Eric R. Ehlers, Douglas A. Gray, pg 10-14
26.5-to-40-GHz Waveguide Detector, by Herb Upham, pg 13
Diode Integrated Circuits for Millimeter-Wave Applications. GaAs diode integrated circuits based on metal-semiconductor (Schottky) or modified barrier diodes have now extended the operating frequency range of small-scale ICs beyond 100 GHz. These circuits, which form the basis for many of HP’s new millimeter-wave instruments, are useful for nonlinear and frequency-translation applications, by Scott S. Elliott, William J. Anklam, George A. Patterson, Mark P. Zurakowski, Domingo A. Figueredo, Susan R. Sloan, pg 14-21
Unbiased Subharmonic Mixers for Millimeter-Wave Spectrum Analysis. These units let you use your microwave spectrum analyzer for measurements up to 110 GHz, by Robert J. Matreci, pg 22-26
Authors November 1986: Douglas [Doug] M. Collins, Sigurd [Sig] W. Johnsen, Eric R. Ehlers, Douglas [Doug] A. Gray, Susan R. Sloan, Mark P. Zurakowski, William [Bill] J. Anklam, Domingo A. Figueredo, Scott S. Elliott, George A. Patterson, Robert [Bob] J. Matreci, Bruce J. Richards, David [Dave] B. Wasmuth, Craig M. Myles, Lynn R. Slater, Jr., Keith A. Harrison, Diane M. Ahart, R. Michael Young, Brian T. Button, Roy M. Vandoorn, George R. Gottschalk, Robert [Bob] I. Marcus, pg 27-29
Predictive Support: Anticipating Computer Hardware Failures. Predictive Support software for the HP 3000 Computer lives on the customer’s system and notifies appropriate personnel of impending failures, by David B. Wasmuth, Bruce J. Richards, pg 30-33
Systems Design for Worldwide Delivery of Customer Support, by Blenda Mariani, pg 32
Logging Event Data in the Trend Log, pg 33
AIDA: An Expert Assistant for Dump Readers. This expert-system-based program increases human readers’ productivity and success rate in HP 3000 memory dump analyses, by Lynn R. Slater, Jr., Keith A. Harrison, Craig M. Myles, pg 34-41. Automatic Interactive Dump Assistant.
What is a Memory Dump? pg 35
A Troubleshooting Aid for Asynchronous Data Communications Links. Schooner is an expert system for fault diagnosis and personnel training on point-to-point datacom links, by Diane M. Ahart, R. Michael Young, Brian T. Button, pg 42-47
Hierarchies, pg 46
A Rule-Based System to Diagnose Malfunctioning Computer Peripherals. The Intelligent Peripheral Troubleshooter, an expert system, currently diagnoses malfunctions in HP disc drives, but other devices will be easy to add to its repertoire, by George R. Gottschalk, Roy M. Vandoorn, pg 48-53. IPT.
Multilevel Constraint Based Configuration. The goal of Mycon, a prototype expert system for configuring computer systems, is to relieve the support engineer of the tedious task of configuration of a customer order, by Robert I. Marcus, pg 54-56
December 1986 v.37 n.12
Cover: Origins of the HP-UX operating system sculpted in plastic
The HP-UX Operating System on HP Precision Architecture Computers. HP-UX is the technical operating system for HP Precision Architecture processors. It’s an extension of AT&T’s UNIX System V.2, by Gary Shiu-Fan Ho, Steven R. Kusmer, John R. Sontag, Frederick W. Clegg, pg 4-22
A UNIX System V Compatible Implementation of 4.2BSD Job Control, by David C. Lennert, pg 9
Decreasing Real-Time Process Dispatch Latency Through Kernel Preemption, by David C. Lennert, pg 13-14
Index: Volume 37 January 1986 through December 1986. PART 1: Chronological Index, pg 23-24. PART 2: Subject Index, pg 24-28. PART 3: Product Index, pg 28-29. PART 4: Author Index, pg 29-30.
Authors December 1986: John R. Sontag, Gary Shiu-Dan Ho, Steven [Steve] R. Kusmer, Frederick [Fred] W. Clegg, Thomas [Tom] M. Hirata, David E. Singleton, Judson [Jay] E. Veazey, Mark A. Sikes, Michael [Mike] J. Pechulis, Ann M. Koehler, Krishnan [Vish] Vishwanath, Jenny Ng, Alan [A. J.] S. Brown, pg 30-31
Reader Forum: Letter from John P. Chambers regarding local customs mentioned in “New HP-UX Features for HP 9000 Series Workstation”, page 38 in the July 1986 issue; letter from author Ronald G. Tolley regarding Native Language Support discussed in the same article, pg 32
Data Base Management for HP Precision Architecture Computers. HP ALLBASE supports both network and relational data access and runs under both the MPE XL and the HP-UX operating systems. Migration of existing data bases to the new architecture has been carefully planned for, by Krishnan Vishwanath, Judson E. Veazey, Jenny Ng, Michael J. Pechulis, Mark A. Sikes, Thomas M. Hirata, Ann M. Koehler, David E. Singleton, Alan S. Brown, pg 33-48
Data Storage in ALLBASE, pg 46-48
