1965 – HP Journal Index

January 1965 v.16 n.5

A new Instrumentation-Class Tape Transport of Simplified Design, by Walter T. Selsted

New Tape Transport in Sanborn Magnetic Data Recording Systems, pg 3. 3907A, 3914A, 3917A, 3924A.

Bernard Oliver elected IEEE President, pg 5

Design Leader: Walter T. Selsted, pg 7

Senior Staff Engineers Appointed by -hp- Board of Directors, pg 8. Brunton Bauer, Arthur Fong, Arthur Miller.

February 1965 v.16 n.6

New Coaxial Couplers for Reflectometers, Detection, and Monitoring. Coaxial couplers with flattened response and high directivity facilitate swept-type measurements of several kinds, by Robert Prickett. 796D, 797D, 798C, 774D, 775D, 776D, 777D, X781A, 786D, 787D, 788C, 789C.

New Waveguide Crystal Detectors with Flat Response, by Robert Prickett, Lawrence Renihan, pg 6. 424A.

Design Leaders: Robert J. Prickett, Lawrence Renihan, pg 8

Atomic Time Adopted for WWVB, pg 8

March 1965 v.16 n.7

The Linear Quartz Thermometer – a New Tool for Measuring Absolute and Difference Temperatures. A linear-temperature-coefficient quartz resonator has been developed, leading to a fast, wide-range thermometer with a resolution of .0001 C, by Albert Benjaminson. 2880A, 2801A.

The Linear Coefficient Quartz Resonator, by Donald L. Hammond, pg 3

Design Leaders: Donald L. Hammond, Albert Benjaminson, pg 7

The Influence of Transistor Parameters on Transistor Noise Performance – A Simplified Presentation. Some factors that define the noise characteristics of junction transistors have been investigated and are presented here in graphic form. The data illustrates the magnitude of the noise parameters and their variation with operating point, by Rolly Hassun, Michael C. Swiontek, pg 8-12

Authors: Michael C. Swiontek, Rolly Hassun, pg 12

April 1965 v.16 n.8

Correlating Time from Europe to Asia with Flying Clocks. By means of portable cesium-beam clocks, time has been correlated to 1 microsecond at many of the world’s timekeeping centers and a comparison of four of the world’s best-known ‘long-beam’ frequency standards has also been made, by LaThare N. Bodily

Author: LaThare N. Bodily, pg 8

May 1965 v.16 n.9

A Combined DC Voltage Standard and Differential Voltmeter for Precise Calibration Work. An advanced instrument that generates precise, high-resolution dc voltages for calibration work is also a precision differential dc voltmeter with a constant and very high input impedance, by Robert E. Watson. 740A.

Design Leader: Robert E. Watson, pg 7

Phase Comparisons with LF Standard Broadcasts Controlled by ‘Atomic Time’, pg 8

June 1965 v.16 n.10

A New 10c/s-10Mc/s Test Oscillator with Enhanced Output Capabilities. The performance possible with state-of-art techniques has been incorporated in a general-purpose test oscillator, by Myles A. Judd. 651A.

A Low-Distortion Amplifier Supplying 10 Watts Peak from DC to Beyond 1 Mc/s. A new amplifier has sufficient bandwidth to enable it to serve at dc or RF and sufficient power to be used as an electro-mechanical driver, by Robert J. Strehlow. 467A.

Amplifier Design Leader: Robert J. Strehlow, pg 8

Test Oscillator Design Leaders: Noel M. Pace, Myles A. Judd, pg 8

Cycles Per Second and Hertz, by Editor, pg 8

July 1965 v.16 n.11

A Low-Frequency Oscillator with Variable-Phase Outputs for Gain-Phase Evaluations. A new l-f oscillator provides both sine and square outputs as well as adjustable-phase sine and square outputs over a range from 60 kc/s down to 0.005 c/s, by Richard Crawford. 203A.

Design Leaders: Richard Crawford, Donald E. Norgaard, pg 7

Extraterrestrial and Ionospheric Sounding with Synthesized Frequency Sweeps, by George H. Barry and Robert B. Fenwick (of the Stanford University Electronics Laboratories), pg 8-12. 5100, 5110.

August 1965 v.16 n.12

A Fast-Reading Digital Voltmeter with .005% Accuracy and Integrating Capability. A new Digital Voltmeter of very high accuracy makes readings from less than 100 Vdc to 1000 Vdc at maximum speeds of up to 15 readings per second, by William McCullough. 3460A.

Guarded Measurements with a Floating Voltmeter, pg 5

Voltmeter Design Leaders: William McCullough, Edward Holland, pg 8

Cable Testing with Time Domain Reflectometry, pg 8

September 1965 v.17 n.1

A Precision Analog Voltohmmeter with Automatic Ranging. An automatic analog voltohmmeter simplifies dc voltage and resistance measurements and gives higher measurement accuracy and speed than is usually obtained, by James F. Kistler, pg 2-6. 414A.

Autovoltmeter Design Leaders: Donald F. Schulz, James F. Kistler, pg 5

A Simple Method for Recording Fast and Low-Level Waveforms. A recently developed oscilloscope plug-in unit makes fast, convenient records of displayed signals and greatly reduces accompanying noise, by John N. Deans, pg 6-8. 1784A, 175A.

Recorder Plug-In Design Leaders: Donald Braidwood, Alan D. Henshaw, Keith McMahan, pg 8

October 1965 v.17 n.2

A Precision AC-DC Differential Voltmeter/DC Standard with High Versatility. A versatile new instrument measures ac voltages with high accuracy from 20 c/s to 100 kc/s by comparing the unknown to a precision dc voltage. It also measures dc voltages to 0.02% and supplies high-resolution dc voltages, by William G. Smith, pg 2-7. 741A.

Design Leader: William G. Smith, pg 7

A 200 kc/s – 500 Mc/s Frequency Conversion Unit for Mixing, Modulating, Phase-Detecting and Level-Controlling. A new untuned mixer operates over the extremely wide frequency range from 200 kc/s to 500 Mc/s and uses a double-balanced circuit for high versatility, by Victor E. Van Duzer, pg 8-11. 10514A.

Design Leader: Victor E. Van Duzer, pg 11

500 kc/s-500 Mc/s Frequency Doubler, by Victor E. Van Duzer, pg 12. 10515A.

November 1965 v.17 n.3

A Voltage-Programmable Low-Frequency Function Generator with Plug-In Versatility. A new generator produces sine, square, and triangular signals as low as 0.01 hertz either unmodulated or with various modulations, by Robert L. Dudley, pg 2-5. 3300A.

Design Leader: Robert L. Dudley, pg 5

‘Hertz’ Adopted by IEEE, pg 5

The Trigger/Phase-Lock Plug-In. A plug-in for the low-frequency function generator results in a variety of signals in the 0.01 to 100,000 hertz range, by Robert L. Dudley, pg 6-9. 3302A.

NBS Standard Frequency and Time Broadcast Schedule. The diagrams presented here, with explanatory notes, summarize the standard frequency and time services, provided by the National Bureau of Standards radio stations WWV, WWVH, WWVB and WWVL, pg 10

A Technique for Making Ultra-Precise Measurements of Microwave Frequency Stability. Standard laboratory instruments are interconnected to provide a system that measures the short-term frequency stability of microwave sources to a precision of better than 1 part in 10, by James A. Marshall, pg 11-12

[Author:] James A. Marshall, pg 12

December 1965 v.17 n.4

Cover: Energy Diagram for Schottky Barrier

The ‘Hot Carrier’ Diode as an Ultra-Fast-Detector, Mixer, and Switch, pg 2. HP Associates.

Hot Carrier Diodes, pg 3

Using the Hot Carrier Diode as a Detector, by Hans O. Sorensen, pg 2-5

Using the Hot Carrier Diode as a Microwave Mixer, by Milton Crane, pg 6-8

[Authors:] Milton Crane, Hans O. Sorensen, pg 5