1970 – HP Journal Index

January 1970 v. 21 n.5

Cover: Operator uses optical comparator to check alignment of helical electrodes in new 250MHz Oscilloscope’s cathode-ray tube

A DC-to-VHF Oscilloscope. Displaying intermittent pulse trains with nanosecond risetimes, capturing fast transients, a predetector look at amplitude-modulated carriers – these are some of the tasks performed by a new general-purpose oscilloscope that has dc-250 MHz bandwidth and 10 mV/cm sensitivity, by James Pettit, pg 2-8. 183A, 183B, 1830A, 1840A.

[Author:] James Pettit, pg 8

A Fast-Writing, High-Frequency Cathode-Ray Tube. A three-way requirement for high-frequency response, fast writing rate, and sensitivity used all that we knew about cathode-ray tube design, and more, by David Chaffee, pg 9-10. 183A.

[Author:] David Chaffee, pg 10

A Wideband Oscilloscope Amplifier. Solid-state monolithic technology makes possible wideband amplifier design with improved response, economy of power, and ease of maintenance, by Alan J. DeVilbiss, pg 11-14. 1830A.

[Author:] Alan J. DeVilbiss, pg 14

Monolithic Transistor Arrays for High-Frequency Applications, by Merrill Brooksby, Richard D. Pering, pg 15-16

[Authors:] Merrill Brooksby, Richard D. Pering, pg 16

A Fast Time Base for a High-Frequency Oscilloscope. A fresh approach to time base circuits was needed to get fast linear sweeps and stable triggering at high frequencies, by William Mordan, pg 17-20

[Author:] William J. Mordan, pg 20

February 1970  v.21 n.6

Cover: Automatic network analyzer systems can vary widely and the power of these systems has produced a revolution in microwave engineering

A System for Automatic Network Analysis, by Douglas Kent Rytting, Steven Neil Sanders, pg 2-10. 8542A.

About the Hardware…, pg 8

[Authors:] Douglas Kent Rytting, Steven Neil Sanders, pg 10

Software for the Automatic Network Analyzer, by William A. Ray, Warren W. Williams, pg 11-15

[Authors:] William R. Ray, Warren W. Williams, pg 15

Developing Accuracy Specifications for Automatic Network Analyzer Systems, by B.P. Hand, pg 16-19

[Author:] B. P. [Phil] Hand, pg 19

Applications of the Automatic Network Analyzer, by Brian Humphries, pg 20-24. 8542A.

[Author:] Brian A. Humphries, pg 24

March 1970 v.21 n.7

Cover: Model 5375 A Keyboard

The Computing Counter Gets Its Keyboard. The computing counter with its keyboard has the computing ability and operating convenience of a programmable desk calculator, plus the ability to make measurements and process the measured data in real time, by Keith M. Ferguson, pg 2-10 5360A, 5379A, 5375A.

[Author:] Keith M. Ferguson, pg 10

Correction to “’Flying Clock’ Comparisons Extended to East Europe, Africa and Australia”,  page 12 in the December 1967 issue, by Leonard S. Cutler, pg 10

Protecting Hospitalized Patients from Electrical Hazards. Electrodes internal to the body give rise to safety problems far more complex than generally supposed, requiring changed thinking about the design and use of medical electronics equipment. Electronic engineers can help explain these concepts, by William F. Craven, pg 11-17

[Author:] William F. Craven, pg 17

Calculator Processes Multichannel Analyzer Data. Two interface cards and a cable connect HP multichannel analyzers to HP’s programmable desktop calculator, by Norman D. Marschke, pg 18-20. 10619A.

[Author:] Norman D. Marschke, pg 20

April 1970 v.21 n.7

Cover: Model 5326B Timer/Counter DVM

Timer/Counter/DVM: A Synergistic Prodigy? One version of this medium-cost universal counter has an internal digital voltmeter, from which it derives some surprising capabilities. Both versions can average repetitive time intervals for increased resolution, and can measure the frequencies of pulsed carriers, by Kenneth J. Jochim, Rolf Schmidhauser, pg 2-10. 5326A, 5326B.

A Network Analyzer with Digital Readout, pg 9

[Authors:] Kenneth J. Jochim, Rolf Schmidhauser, pg 9

Measuring Nanosecond Time Intervals by Averaging. What kind of resolution can you get and how do you get it? What about accuracy?, by Rolf Schmidhauser, pg 11-13

High Accuracy AC Calibration to 1100 Volts, by Fred L. Hanson, pg 14-17. 745A, 746A.

[Author:] Fred L. Hanson, pg 17

A New Camera for High-Speed Oscilloscope Recording, by Dan Paxton, pg 18-20. 195A.

[Author:] Dan Paxton, pg 20

May 1970 v.21 n.9

Cover: IMPATT diodes

Design and Application of Silicon IMPATT Diodes. DC power is converted directly into microwave energy by an IMPATT diode. In X-band, these devices generate higher CW power than any other present-day, solid-state microwave source, clearing the way for new cost-sensitive microwave designs, by A. M. Cowley, pg 2-13. 5082-0400, 5082-0401.

Making Cool-Running IMPATT Diodes, pg 8

Measuring IPMATT Diode Thermal Resistance, pg 10

[Author:] A. M. [Mike] Crowley, pg 13

Measuring Capacitance Automatically. Completely automatice multifrequency bridge measures capacitance from 0.001 pF to 1.2 mF, conductance and dissipation factor, by Hitoshi Noguchi, Takeo Shimizu, Koichi Maeda, pg 14-20. 4270A.

Logic Circuits, pg 17

[Authors:] Hitoshi Noguchi, Takeo Shimizu, Koichi Maeda, pg 20

June 1970 v.21 n.10

Cover: Model 5450A Fourier Analyzer next to a United Airline jet engine

Digital Fourier Analysis. Some of the theoretical and practical aspects of measurements involving Fourier analysis by digital instrumentation, by Peter R. Roth, pg 2-9. 5450A.

[Author:] Peter R. Roth, pg 9

A Calibrated Computer-Based Fourier Analyzer. This pushbutton-controlled digital measuring instrument performs complex analytical operations on input signals or time series and as a bonus, the user gets a general-purpose digital computer, by Agoston Z. Kiss, pg 10-20. 5450A.

A Fourier Analyzer Makes Fundamental Measurements, pg 15

[Author:] Agoston [Ago] Z. Kiss, pg 20

July 1970 v.21 n.11

Cover: An inspector critically eyes solid-state alphanumeric display module.

Solid-State Alphanumeric Displays, by Howard C. Borden, Robert L. Steward, pg 2-9. 5082-7100, 5082-7102.

The Mathematics of Strobed Arrays, pg 9

[Authors:] Howard C. Borden, Robert L. Steward, pg 9

Adding More Precision to Spectrum Analyzer Measurements. Augmented with a combination tracking signal generator and counter, the spectrum analyzer becomes a swept measuring system of great frequency precision and dynamic range, by Patrick J. Barrett, Robert R. Hay, Paul G. Winninghoff, pg 10-16. 8443A, 8553B, 8552B.

Product Design, by William H. Bull, pg 13

[Authors:] Rob Hay, Bill Bull, Pat Barrett, Paul G. Winninghoff, pg 16

August 1970 v.21 n.12

Cover: Model 5525A Laser Interferometer

A Two-Hundred-Foot Yardstick with Graduations Every Microinch. This new and innovative laser interferometer is ready to measure distance with no warmup at all. From its specially designed two-frequency laser and heterodyning techniques it derives increased sensitivity and resistance to air turbulence and with its internal computer it can smooth jittery readings, calculate velocity and improve resolution, by John N. Dukes, Gary B. Gordon, pg 2-8. 5525A.

[Authors:] Andre F. Rude, Kenneth J. Wayne, pg 8

A New Tool for Old Measurements – and New Ones Too, by Andre F. Rude, Kenneth J. Wayne, pg 9

Automatic Error Plotting – a Report Card for Nonlinear Behavior, by Jonathan D. Garman, pg 10-11

[Author:] Jonathan D. Garman, pg 11

Machine Tool Evaluation by Laser Interferometer, by Richard R. Baldwin, pg 12-13

[Author:] Richard R. Baldwin, pg 13

An Instant-On Laser for Length Measurement. This specially designed two-frequency laser is rugged, tunes itself instantly, and runs cool, by Glenn M. Burgwald, William P. Kruger, pg 14-16. Laser Interferometer.

[Authors:] William P. Kruger, Glenn M. Burgwald, pg 16

September 1970 v. 22 n.1

Cover: Some of the digital devices that can communicate with each other by means of Model 2570A Coupler/Controller.

A Programmable, Modular, Bidirectional Data Coupler. Instrumentation coupler, automated test system controller, computer interface. This new coupler/controller assumes many identities to create a broad range of new possibilities for system automation, by Gibson F. Anderson, pg 2-6. 2570A.

[Author:] Gibson F. Anderson, pg 6

Instrumentation Systems Controlled by Time-Shared Computers. A coupler/controller and an acoustic coupler can put a large computer into a system at very low cost, by Neal E. Walko, pg 7-9. 2570A.

[Author:] Neal E. Walko, pg 9

Measuring Q – Easier and Faster. Thirty-five years later, Q measurements become easier, with greater Q range and over wider bands, by Shiro Kito, Keiichi Hasegawa, pg 10-16. Boonton Q Meter, 260A, 4342A.

[Authors:] Shiro Kito, Keiichi Hasegawa, pg 16

October 1970 v.22 n.2

Cover: Model 9100 Calculator System and the Model 9160A Card Reader

More Memory for Desktop Calculators. Extended memory unit adds as many as 3472 program steps, by Russell Sparks, pg 2-7. 9100A, 9100B.

Error Indication in the Model 9101A Extended Memory, pg 5

[Author:] Russ [Russell] Sparks, pg 7

Optical Card Reader for Fast Calculator Programming, by Gene Zeller, pg 8-12. 9160A.

[Author:] Gene Zeller, pg 12

Hard Copy Output for the System 9100 Computing Calculators, by Chuck McAfee, pg 13-16. 9120A.

[Author:] Chuck McAfee, pg 16

November 1970 v. 22 n.3

Cover: The directional detector, the frequency converter module, the 2-4 GHz YIG oscillator, the PIN absorptive modulator, and the 0.1-2 GHz amplifier

Sweeping the Microwave Spectrum with Solid-State Sources, by Robert H. Bathiany, Carl J. Enlow, Phillip G. Foster, Stephen Vitkovits, pg 2-8. 8620A, 8621A, 8630A.

[Authors:] Carl J. Enlow, Phillip G. Foster, Robert H. Bathiany, Stephen Vitkovits, pg 8

Microcircuits for the Microwave Sweeper, by Ronald E. Pratt, Robert W. Austin, Arlen Dethiefsen, pg 9-16. 8620A.

[Authors:] Ronald E. Pratt, Robert W. Austin, Arlen E. Dethlefsen, pg 16

December 1970 v.22 n.4

Cover: Crystal plating is a typical process-control application for the 5360A Computing Counter and its new Programmer, Model 5376A

Computing-Counter Measurement Systems. Automated measurements and data processing don’t necessarily require a computer. Systems based on the HP computing counter and a new programmer have computer capabilities but lower-than-computer costs, by David Martin, pg 2-6. 5376A.

[Authors:] Eric M. Ingman, David Martin, pg 6

Programmer is Key to Computing-Counter Systems. This modular programmer provides programmability and interface facilities to go with the computing counter’s arithmetic and precision measurement capabilities, by Eric M. Ingman, pg 7-10. 5376A.

Instruction Repertoire, HP 5376A Programmer, pg 11-12

Measuring Noise and Level On International Telephone Systems, by Jim Plumb, Jacques Holtzinger, pg 13-16. 3556A, 236A.

[Author:] Jim Plumb, Jacques Holtzinger, pg 16