January 1978 v.29 n.5
Cover: Model 2648A Graphics Terminal that has both graphics and alphanumeric capabilities
Versatile Low-Cost Graphics Terminal is Designed for Ease of Use. HP’s newest computer CRT terminal combines sophisticated graphics and alphanumeric capabilities with easy-to-use, system independent, automatic plotting, by Peter D. Dickinson, pg 2-6. 2648A.
[Author:] Peter D. Dickinson, pg 5
Raster Scan Graphics with Zoom and Pan, by Otakar Blazek, Michael B. Raynham, pg 6-12
Designing with 16K RAMs, pb 9
[Authors:] Michael [Mike] B. Raynham, Otakar [Oty] Blazek, pg 12
Firmware Control of a Microprocessor-Based Graphics Terminal, by John J. Moyer, pg 12-16. 2648A.
Graphics Self Test, pg 13
[Author:] John J. Moyer, pg 16
Add-On Digital Signal Processing Enhances the Performance of Network and Spectrum Analyzers. Digitizing and storing the outputs of network and spectrum analyzers enables flicker-free display of slowly swept measurements, corrections for system errors, and direct comparisons of device performance. Additions to the basic storage circuits achieve improved signal-to-noise ratios and increased resolution, by Jacob H. Egbert, Mark D. Roos, John T. Barr, Roger P. Oblad, pg 17-24. 8750A, 8501A.
Signal Averaging Enhances Network Analyzer Performance, pg 20
[Authors:] Jacob [Jake] H. Egbert, Roger P. Oblad, John T. Barr, pg 23
[Author:] Mark D. Roos, pg 24
February 1978 v.29 n.6
Cover: HP Model 1615A Logic Analyzer
A Logic State Analyzer for Evaluating Complex State Flow. Sequential triggering and selective trace are two of the capabilities that enable this 32-bit logic state analyzer to capture only the states of interest in complex program flow. It also counts states, and times their executive to help evaluate program performance, by George A. Haag, pg 2-10. 1610A.
[Author:] George A. Haag, pg 10
Viewpoints: Chuck House on the Ongoing Revolution in Digital Testing, pg 11-13
[Author:] Chuck House, pg 13
Interactive Logic State and Timing Analyses for Tracking Down Problems in Digital Systems. A new instrument combines 16-bit logic state analysis with 8-bit logic timing analysis to speed the location of problems involving asynchronous as well as synchronous events, by William D. Martin, John A. Scharrer, Robert G. Wickliff, Jr., pg 14-20. 1615A.
[Authors:] William [Bill] D. Martin, Robert [Bob] G. Wickliff, Jr., John A. Scharrer, pg 20
Entry Level Logic State Analyzer Has High-level Capability. Operable by a first-time user without any prior instruction, this compact, portable logic-state analyzer is also capable of sophisticated analyses of data flow. Moreover, it’s programmable, making possible low-cost, automatic systems for functional testing, by Charles T. Small, Alan J. DeVilbiss, pg 21-27. 1602A.
Untangling the Probing Problem, pg 22
[Authors:] Charles [Chuck] T. Small, Alan [Al] J. DeVilbiss, pg 27
Adapting the 1611A Logic State Analyzer to Work with the F8 Microprocessor Family. Microprocessors are not all alike. Adapting a dedicated instrument to test several different kinds of microprocessors poses some interesting challenges but also provides opportunities to broaden capability, by Deborah J. Ogden, pg 28-32. 1611A.
[Author:] Deborah [Debbie] J. Ogden, pg 31
March 1978 v.29 n.7
Cover: Our artist’s representation of a distributed computer system network made up of HP 3000 Series II, HP 1000, and HP 2026 Computer Systems
The Hewlett-Packard Distributed System Network. HP-DSN is a set of distributed systems products and a set of design objectives that provide a framework for interconnecting HP computer systems to form a network, by Andre O. Schwager, pg 2-6
[Author:] Andre O. Schwager, pg 5
Distributed Systems/3000. DS/3000 makes it possible for the user of an HP 3000 Computer System to communicate with remote HP 3000, HP 1000, and HP 2026 Computer Systems, by Philip M. Sakakihara, pg 7-14
[Author:] Philip [Phil] M. Sakakihara, pg 14
Distributed Systems/1000. DS/1000 makes it possible to interconnect HP 1000 Computer Systems in virtually any configuration to integrate instrumentation, computation, and operations management tasks, and to link these systems with HP 3000 Series II Systems for distributed data processing, by Robert R. Shatzer, pg 15-20
[Author:] Robert [Bob] R. Shatzer, pg 20
Data Entry and Communications Systems Have Network Capabilities. HP 2026 Systems are designed for high-performance data entry, local file inquiry and data communications with each other and the HP 3000, by David S. Kaplan, John R. Nielsen, pg 21-26
[Authors:] David S. Kaplan, John Richard [Rich] Nielsen, pg 25
Experimenting with Satellite-Linked Computer Networks. Project Prelude is an advanced computer communications experiment involving several companies, a satellite, and HP 3000 Series II Computer Systems, by Rita W. Williams, pg 27-32
[Author:] Rita W. Williams, pg 32
April 1978 v.29 n.8
Cover: Model 9845A Desktop Computer, also called, System 45
A Highly Integrated Desktop Computer System. System 45, the new flagship of the HP 9800 Series, gives the user unprecedented power in a single compact unit. It offers advanced capabilities in program documentation, string and matrix operations, subprograms, program linking, tracing, formatted output, mass storage and graphics, by Jack M. Walden, William D. Eads, pg 2-11
[Authors:] William [Bill] D. Eads, Jack M. Walden, pg 11
System 45 Hardware Design, by Louis T. Schulte, John C. Keith, Ansel K. Vogen, pg 11-21
System 45 Product Design, by Ray J. Cozzens, pg 14-15
System 45 Tape Control System, by Richard Kochis, pg 20
System 45 Power Supply, by Dick B. Barney, pg 21
[Authors:] Louis [Lou] T. Schulte, John C. Keith, Ansel [Andy] K. Vogen, pg 21
Advanced Thermal Page Printer Has High-Resolution Graphics Capability. This optional System 45 built-in peripheral quietly outputs program listings or hard copies of anything on the CRT display, by Ray J. Cozzens, pg 22-28. 9845A.
New Printhead Technology Developed for System 45, by Eugene R. Zeller, pg 25-26
[Authors:] Eugene [Gene] R. Zeller, Ray J. Cozzens, pg 28
Personal Calculator Algorithms IV: Logarithmic Functions. A detailed description of the algorithms used in HP’s hand-held calculators to computer logarithms, by William E. Egbert, pg 29-32
[Author:] William [Bill] E. Egbert, pg 32
May 1978 v.29 n.9
Cover: Model 5342A Microwave Frequency Counter
Microprocessor-Controlled Harmonic Heterodyne Microwave Counter Also Measures Amplitudes. The new harmonic heterodyne frequency measuring technique provides wide FM tolerance, high sensitivity and automatic amplitude discrimination. Simultaneous measurement of input amplitude is optional, by Ali Bologlu, Vernon A. Barber, pg 2-16. 5342A.
Down-Conversion Techniques for Microwave Frequency Measurements, pg 5
Signature Analysis in the 5342A, by Martin Neil, pg 8-9
A Technique that is Insensitive to FM for Determining Harmonic Number and Sideband, by Luiz Peregrino, pg 13-14
[Author:] Luiz Peregrino, pg 14
[Authors:] Ali Bologlu, Vernon [Al] A. Barber, pg 16
Generating High-Speed CRT Displays from Digital Data. A new graphics translator converts information received from a digital system by way of the HP interface bus into the analog signals needed for tracing vectors and characters on high-resolution CRT displays, by Kunio Hasebe, Arnot L. Ellsworth, pg 17-23. 1350A.
[Authors:] Kunio Hasebe, Arnot [Arnie] L. Ellsworth, pg 23
Laboratory Notebook: Swept-Frequency Measurements of High Levels of Attenuation at Microwave Frequencies, by Robert Jacobsen, pg 24
June 1978 v.29 n.10
Cover: Spectrum Analyzer
The Next Generation RF Spectrum Analyzer. Unprecedented tuning accuracy, frequency stability, and resolution – combined with a new level of control provided by three digital processors – raise to significantly new levels the art and science of spectrum analysis in the 100-Hz-to 1500-MHz range, by M. Dee Humpherys, Steven N. Holdaway, pg 2-8. 8568A.
A Precision, Digitally-Controlled Spectrum Analyzer for the 20-Hz-to-40-MHz Frequency Range, by Robert Temple, pg 6-7. 3585A.
[Author:] Robert [Bob] E. Temple, pg 6
[Authors:] Steven [Steve] N. Holdaway, M. Dee Humpherys, pg 7
Signal Processing in the Model 8568A Spectrum Analyzer, by Siegfried H. Linkwitz, Steven N. Holdaway, Michael J. Neering, David H. Molinari, pg 9-16
The Display System in the Model 8568A Spectrum Analyzer, by Michael J. Neering, Larry O. Bower, pg 11-12
[Author:] Larry O. Bower, pg 12
[Authors:] Siegfried Linkwitz, Michael [Mike] J. Neering, David [Dave] H. Molinari, pg 15
Developing the Digital Control System for the Model 8568A Spectrum Analyzer, by Lynn W. Wheelwright, Michael S. Marzalek, pg 16-20
Control of Model 8568A Spectrum Analyzer Through the HP Interface Bus, by Rex Bullinger, pg 18
[Author:] Rex A. Bullinger, pg 18
[Authors:] Michael [Mike] S. Marzalek, Lynn M. Wheelwright, pg 20
Designing Serviceability into the Model 8568A Spectrum Analyzer, by David D. Sharrit, pg 20-24
Computer-Based Production-Line Testing of the Model 8568A Spectrum Analyzer, by John Faick, pg 22-23
[Author:] John C. Faick, pg 23
[Author:] David [Dave] D. Sharrit, pg 24
July 1978 v.29 n.11
Cover: Model 2240A Measurement and Control Processor is designed to interface a computer to real-world sensors and controls
An Intelligent Peripheral for Measurement and Control. Communicating with the computer in a high-level language, this new computer front end independently executes analog and digital measurement and control tasks. It has a full complement of input/output interfaces and many built-in service facilities, by Ray H. Brubaker, Jr., pg 2-9. 2240A.
First HP Product to Use Silicon-on-Sapphire Technology, pg 5. 2240A.
Measurement and Control Processor Monitors HP Facility, by Robert B. Grady, pg 7-8
[Author:] Robert [Bob] B. Grady, pg 8
[Author:] Ray H. Brubaker, Jr., pg 9
Firmware Intelligence for Measurement and Control Processing. The HP 2240A demonstrates how HP-IB communications are maturing as instruments gain in sophistication, by Donald E. Klaiss, pg 10-18. 2240A.
Analog Input Card Calibration, by Vincent J. Dauciunas, pg 13
PHI, the HP-IB Interface Chip, by John W. Figueroa, pg 16-17
[Author:] John W. Figueroa, pg 17
[Authors:] Vincent [Vince] J. Dauciunas, Donald [Don] E. Klaiss, pg 18
An Easy-to-Use Data Capture Terminal for Industrial Operations. Designed for collecting data at remote points within a manufacturing operation, this compact terminal is operated easily by those unfamiliar with computer operations. It can also serve as a link between a computer and distant HP-IB-controlled instruments, by Daniel C. Berthier, Michel E. Bernard, Jacques A. Ripert, pg 19-24. 3070B.
A Multifunction Reader, pg 21
[Author:] Michel E. Bernard, pg 23
[Authors:] Jacques A. Ripert, Daniel C. Berthier, pg 24
August 1978 v.29 n.12
Cover: Model 5359A Time Synthesizer and Model 5370A Universal Time Interval Counter
Universal Counter Resolves Picoseconds in Time Interval Measurements. A new triggered phase-locked oscillator and a dual vernier interpolation scheme provide 20-picosecond resolution without averaging. Microprocessor architecture adds flexibility and processing power, by David C. Chu, Mark S. Allen, Allen S. Foster, pg 2-11. 5370A.
The Triggered Phase-Locked Oscillator, by David C. Chu, pg 8-9
See Also: Corrections: The last line on page 8 in the article “The Triggered Phase-Locked Oscillator” was omitted; the last line on page 4 in the article “Universal Counter Resolves Picoseconds in Time Interval Measurements” in the same issue is incorrect; text on page 16 in “Time Synthesizer Generates Precise Pulse Widths and Time Delays for Critical Timing Applications”, page 12 in the same issue, is incorrect, page 5 in the September 1978 issue
[Author:] David C. Chu, pg 10
[Authors:] Mark S. Allen, Allen S. Foster, pg 11
Time Synthesizer Generates Precise Pulse Widths and Time Delays for Critical Timing Applications. This time synthesizer’s extremely stable, low-jitter time delays may be synchronized precisely to an external trigger. Automatic calibration and HP-1B compatibility are standard features, by Leonard R. Dickstein, Keith M. Ferguson, pg 12-19. 5359A. See Also the Corrections section above.
Instrument Commonality, Reliability and Serviceability, by Leonard Dickstein, pg 19
[Authors:] Leonard R. Dickstein, Keith M. Ferguson, pg 19
Remotely-Controlled RF Switch for Multipoint Tests in Communication Systems. Under manual or HP-IB control, this RF switch provides access to any one of 10 inputs carrying signals in a range of 10 kHz to 25 MHz or, when cascaded with other switches, to any one of up to 1000 inputs, by Kevin J. Bradford, pg 20-22. 3754A, 3755A.
[Author:] Kevin J. Bradford, pg 22
Laboratory Notebook: A High-Level-Language Microprocessor Prototyping and Debugging System Using a Desktop Computer, by Allen Foster, Luiz Peregrino, pg 23-24
September 1978 v.29 n.13
Cover: Model 3582A Spectrum Analyzer
A High-Resolution, Low-Frequency Spectrum Analyzer. This dual-channel instrument uses digital computation with a microprocessor to make frequency-domain measurements in the 0-to-25.5-kHz range with bandwidths as narrow as 20 mHz, and do it hundreds of times faster than conventional swept-frequency analyzers. At the same time, a number of other important capabilities are obtained, by John S. Farnbach, Nixon A. Pendergrass, pg 2-13. 3582A.
Corrections: The last line on page 8 in the article “The Triggered Phase-Locked Oscillator”, page 2 in the August 1978 issue was omitted; the last line on page 4 in the article “Universal Counter Resolves Picoseconds in Time Interval Measurements” in the same issue is incorrect; text on page 16 in “Time Synthesizer Generates Precise Pulse Widths and Time Delays for Critical Timing Applications”, page 12 in the same issue, is incorrect, pg 5
The Fast Fourier Transform and the Model 3582A, pg 8
Window Functions for Spectrum Analysis, by Roger G. Cox, pg 10-11
[Author:] Roger G. Cox, pg 11
[Authors:] Nixon [Nick] Pendergrass, John S. Farnbach, pg 13
Hewlett-Packard FFT Analyzers, pg 13-14
Designing Programmable Digital Filters for LSI Implementation, by Lynn A. Schmidt, pg 15-23
What is a Digital Filter? pg 17-18
[Author:] Lynn A. Schmidt, pg 23
Desktop Plotter/Printer Does Both Vector Graphic Plotting and Fast Text Printing. This HP-IB desktop hardcopy unit has a bidirectional paper drive for long-axis plots and unattended plotting. It offers user unit scaling, graph rotation, printer capabilities, seven dashed-line fonts, English and European character sets, and user-definable characters, by Rick A. Warp, Majid Azmoon, Jaime H. Bohorquez, pg 24-30. 7245A.
Plotter/Printer Interface Languages: HP-GL and ASCII, by Michael P. Trego, pg 26
[Authors:] Majid [Maj] Azmoon, Jaime [Jim] H. Bohorquez, pg 31
[Authors:] Rick A. Warp, Michael [Mick] P. Prego, pg 32
October 1978 v.29 n.14
Cover: An HP 1000 Model 45 Computer System displays its multilingual, multi-programming computing activity
Higher-Performance HP 1000 Computer Systems. The higher performance comes from new technologies, including new processors, faster 16K RAM semiconductor memories, and a new operating system, by Rodney K. Juncker, pg 2-5. Model 45, Model 40.
[Author:] Rodney [Rod] K. Juncker, pg 4
RTE-IV: The Megaword-Array Operating System, by Eugene J. Wong, C. Michael Manley, pg 6-11. Real-Time Executive, 92067A.
[Author:] C. Michael [Mike] Manley, Eugene J. Wong, pg 11
F-Series Extends Computing Power of HP 1000 Computer Family, by Julia A. Cates, pg 12-17
F-Series Rounding Techniques, pg 16
[Author:] Julia [Julie] A. Cates, pg 17
Microcoded Scientific Instruction Set Enhances Speed and Accuracy of F-Series Computers, by Charles R. Geber, pg 18-22. 1000 F-Series.
[Author:] Charles [Chuck] R. Geber, pg 22
New Memory Systems for HP 1000 Computers, by Alan H. Christensen, David C. Salomaki, pg 23-27
Achieving Reliability in Semiconductor Memory Systems, pg 26
[Authors:] Alan H. Christensen, David [Dave] C. Salomaki, pg 27
Multipoint Terminals for HP 1000 Systems, by Mitchell B. Bain, Gary Johnson, Denton B. Anderson, pg 28-32
[Authors:] Denton B. Anderson, Mitchell [Mitch] B. Bain, pg 31
[Author:] Gary W. Johnson, pg 32
November 1978 v.29 n.15
Cover: Print mechanisms that have a mechanical simplicity conducive to higher print speeds
Printer and Printing Terminal Gain Versatility and Mechanical Simplicity with Microprocessor Control. A 180-character-per-second-dot-matrix printing mechanism achieves high throughput by skipping over blanks and printing in either direction under microprocessor control. Versatility is enhanced with variable horizontal pitch, a full 128-USASCII-character set, and flexible interfacing, by Todd M. Woodcock, pg 2-7. 2631A, 2635A.
[Author:] Todd M. Woodcock, pg 7
Managing Dot-Matrix Printing with a Microprocessor, by John J. Ignoffo, Jr., Michael J. Sproviero, Phillip R. Luque, Kenneth A. Wade, pg 8-19. 2631A, 2631G, 2635A, 2639A.
Mechanical Design of a Durable Dot-Matrix Printer, by Robert Cort, pg 9
An Impact Graphics Printer, pg 11-12
Interfacing to a 180-Character/Second Printer/Terminal, by Gerard Carlson, Michael Lee, Roy Foote, pg 15-16
[Authors:] Kenneth [Ken] B. Wade, Phillip [Phil] R. Luque, Michael [Mike] J. Sproviero, John J. Ignoffo, Jr., pg 19
Versatile 400-lpm Line Printer with a Friction-Free Mechanism that Assures Long Life. This medium-speed line printer writes dot-matrix alphanumerics and graphics with a mechanism that has no sliding parts or bearing to wear out. It’s also versatile, with a capability for printing with a variety of character sets, by F. Duncan Terry, pg 20-22. 2608A.
[Author:] F. Duncan Terry, pg 22
Optimizing the Performance of an Electromechanical Print Mechanism, by Wallace T. Thrash, Everett M. Baily, William A. McIlvanie, Douglas B. Winterrowd, pg 23-32. 2608A.
Acoustic Design of the Model 2608A Line Printer, by Lynn Hessing, pg 24
Precise Paper Movement, by Robert Deely, Lynn Hessing, pg 26
Interface I/O for a 400-lpm Printer, by Stanley G. Peery, pg 30
[Authors:] Everett M. Baily, Douglas [Doug] B. Winterrowd, Wallace [Wally] T. Thrash, William [Bill] A. McIlvanie, pg 32
December 1978 v. 29 n.16
Cover: Model 9874A Digitizer transmits coordinate data to an on-line computer
Easy-to-Use, High-Resolution Digitizer Increases Operator Efficiency. This advanced new microprocessor-controlled digitizer provides an accurate, speedy, and convenient method for entering position information from maps, slides, x-rays, photographs, and other media into a computer for analysis, by Frank P. Carau, pg 2-13. 9874A.
Cursor Technology, by Henry T. Hetzel, pg 4. 9874A.
Glass Platen Technology, by Lawrence E. Brown, pg 8. 9874A.
Accuracy Testing, pg 11. 9874A.
[Author:] Lawrence [Larry] E. Brown, pg 12
[Authors:] Henry T. Hetzel, Frank P. Carau, pg 13
Included after page 13 and before page 19: Index to Volume 29 September 1977 through December 1978. There are no page numbers on the index itself. PART 1: Chronological Index. PART 2: Subject Index. PART 3: Model Number Index. PART 4: Author Index..
1-mHz-to-50-MHz Signal Source Combines Synthesizer Accuracy, Multimode Operation, and Easy Programming. Offering features not previously available in a single instrument, this new programmable signal source provides many kinds of test stimuli for either automatic or bench test applications, by Peter Brunner, Tilman Schad, Dieter Kible, pg 19-27. 8165A.
[Authors:] Tilman Schad, Dieter Kible, Peter Brunner, pg 27
A Compact Logging Multimeter that Can Manipulate Data. By combining the attributes of a 4 ½ -digit multimeter, a thermometer, a 4-channel scanner, a printer, and a microprocessor, this versatile instrument can be a time-saver for the design engineer, by Marsh L. Faber, John E. Scruggs, David L. Wolpert, pg 28-32. 3467A.
[Authors:] David [Dave] L. Wolpert, John E. Scruggs, Marshall [Marsh] L. Faber, Jr., pg 31
