Hewlett-Packard Technical Documents
    Innovating the HP Way    

Hewlett-Packard Semiconductor Cross Reference

When selecting replacement parts for your HP products, you may notice that many manuals list only an HP part number for the part, even though it appears that this part is manufactured by one of the large semiconductor manufacturers.  Service personnel often ask why only HP part numbers are listed.

It is recommended that HP replacement parts be used to ensure that the original performance of the product will be obtained.  While some parts used in HP instruments are identical to that which can be purchased at a local electronics distributor, many times parts will be selected for certain characteristics, such as gain, bandwidth, capacitance, etc.  There may also be slight mechanical differences, such as the shaping or length of leads.  In some cases special quality checks are employed to ensure that high reliability parts are used at the factory and at HP field offices.

Therefore, we suggest obtaining replacement parts from HP to maintain the quality that you have paid for in your instrument. There may be situations however where HP replacement parts are not in stock and substituting parts will allow you to return the product to service immediately. In these cases it may be worthwhile to see if a substitute part will work in the circuit. Perhaps an HP part could be ordered and installed at some later date.

To help you in these situations, here's a cross-reference of HP integrated circuit part numbers to manufacturers "generic type" part numbers (whom in most cases is the originator of the part).  Even though the cross-reference only lists one manufacturer, there may actually be several approved sources for an HP part.  While every attempt was made to ensure the accuracy of the list, it is advisable to compare the description of the device being replaced with the description of the substituted part.  For example, if the service manual describes the device being replaced as a "dual J-K flip-flop," check this against the description of the replacement part.


Hewlett-Packard Journal

Technical information from the Hewlett-Packard Laboratories.

The Hewlett-Packard Journal has been documenting HP's technologies and achievements since 1949.  The HP Journal has been available online since early 1994.

HP Journal  Via hp.com

HP Journal  Via worldradiohistory.com

Tandem Systems Review  Via hp.com

DIGITAL Technical Journal  Via hp.com


    Volume 1


  1. A New Amplifier for Picosecond Pulses  by N.B. Schrock  (Vol. 1, No. 1 - Sep. 1949)

  2. A New Frequency Standard and Time Interval Generator  by Brunton Bauer  (Vol. 1, No. 2 - Oct. 1949)

  3. Design Notes on the Resistance-Capacity Oscillator Circuit - Part 1  by Brunton Bauer  (Vol. 1, No. 3 - Nov. 1949)

  4. Design Notes on the Resistance-Capacity Oscillator Circuit - Part 2  by Brunton Bauer  (Vol. 1, No. 4 - Dec. 1949)

  5. Greater Reliability in UHF Impedance Measurements  by W.B. Wholey  (Vol. 1, No. 5 - Jan. 1950)

  6. A New 0.07 to 10 Microsecond General-Purpose Pulse Generator  by G.S. Kan  (Vol. 1, No. 6 - Feb. 1950)

  7. A New 10 MHz to 500 MHz AM Signal Generator  by H.E. Overacker  (Vol. 1, No. 7 - Mar. 1950)

  8. Direct Measurement of Impedance in the 50 MHz to 500 MHz Range  by Arthur Fong  (Vol. 1, No. 8 - Apr. 1950)
    • 10-500 MHz VHF Detector

  9. Direct Reading UHF Power Measurements  by B.P. Hand  (Vol. 1, No. 9 - May 1950)

  10. The Explanation for Certain Cathode-Follower Effects  by Brunton Bauer  (Vol. 1, No. 10 - June 1950)

  11. New 125 Volt Fast Pulse Amplifier  by N.B. Schrock  (Vol. 1, No. 11 - July 1950)

  12. A New Monitor for FM Communications Services  by J.E. Stiles  (Vol. 1, No. 12 - Aug. 1950)

    13. Volume 2


  13. A 3.8 GHz to 7.6 GHz Signal Generator Using a Parallel-Plane Type Resonator  by W.D. Myer  (Vol. 2, No. 1 - Sep. 1950)

  14. A 10 MHz Scaler for Nuclear Counting and Frequency Measurement  by A.S. Bagley  (Vol. 2, No. 2 - Oct. 1950)

  15. The 700 MHz Voltmeter and Its Applications  by J.R. Petrak  (Vol. 2, No. 3 - Nov. 1950)

  16. A New Low-Power Klystron Supply  by J.R. Petrak  (Vol. 2, No. 4 - Dec. 1950)
    • Balanced Load Measurements with VHF Bridge  by W.B Wholey
    • Repair of Hewlett-Packard Instruments

  17. The High-Speed Frequency Counter: A New Solution to Old Problems  by A.S. Bagley  (Vol. 2, No. 5 - Jan. 1951)

  18. The HP Program for Waveguide Type Measuring Equipment  by N.B. Schrock  (Vol. 2, No. 6 - Feb. 1951)

  19. Power Measurements from 10 MHz to 12.4 GHz  by B. P. Hand and N.B. Schrock  (Vol. 2, No. 7 & 8 - Mar./Apr. 1951)

  20. Inexpensive Quality  (Vol. 2, No. 9 - May 1951)

  21. A New Generator of Frequencies Down to 0.01 Hz  by R.H. Brunner  (Vol. 2, No. 10 - June 1951)

  22. Accuracy in HP Voltmeters and Oscillators  by R.M. Demere and Brunton Bauer  (Vol. 2, No. 11 - July 1951)

  23. HP Distortion Measuring Equipment  by Brunton Bauer  (Vol. 2, No. 12 - Aug. 1951)

    24. Volume 3


  24. Good Practice in Slotted Line Measurements - Part 1  by W.B. Wholey  (Vol. 3, No. 1 - Sep. 1951)

  25. Good Practice in Slotted Line Measurements - Part 2  by W.B. Wholey  (Vol. 3, No. 2 - Oct. 1951)
    • Two New Test Sets for SHF Measurements

  26. Recent Developments in HP Waveguide Type Measuring Equipment  by J.K. Hunton and N.B. Schrock  (Vol. 3, No. 3 - Nov. 1951)

  27. Oscillators for Many Purposes  (Vol. 3, No. 4 - Dec. 1951)

  28. Simplified Microwave Frequency Measurements Using the 10 MHz Frequency Counter  by W.D. Myers  (Vol. 3, No. 5 & 6 - Jan./Feb. 1952)
    • The "Perfect Load" and the Null Shift-Aids in VSWR Measurements  by J.K. Hunton and W.B. Wholey

  29. A Precision Directional Coupler Using Multi-Hole Coupling  by E.F. Barnett and J.K. Hunton  (Vol. 3, No. 7 & 8 - Mar./Apr. 1952)

  30. The HP Direct-Reading UHF Signal Generators  by Arthur Fong and W.D. Myers  (Vol. 3, No. 9 & 10 - May/June 1952)

  31. A Novel Impedance-Measuring System Using Standard HP Instruments  (Vol. 3, No. 11 - July 1952)

  32. The HP Audio Signal Generators  (Vol. 3, No. 12 - Aug. 1952)

    33. Volume 4


  33. Greater Flexibility in the HP 3.8 GHz to 7.6 GHz Signal Generator  by W.D. Myers  (Vol. 4, No. 1 & 2 - Sep./Oct. 1952)
    • Measuring Large Resistances With the HP410 VTVM
    • Checking Klystron Linearity with HP Equipment

  34. A New 100 kHz Counter for Use in Electronics and Industry  by E.A. Hilton  (Vol. 4, No. 3 - Nov. 1952)

  35. Those New HP Oscillators  by Brunton Bauer and B.M. Oliver  (Vol. 4, No. 4 - Dec. 1952)
    • Greater Power Capacity for the 8.5-10 GHz Test Set  by P.D. Lacy

  36. More about the HP Precision Directional Couplers  by E.F. Barnett  (Vol. 4, No. 5 & 6 - Jan./Feb. 1953)

  37. A New Signal Generator for Aeronautical Radio and UHF Television  by H.E. Overacker  (Vol. 4, No. 7 & 8 - Mar./Apr. 1953)
    • Field Repair Stations

  38. The HP TV Monitor  by Robert Grimm  (Vol. 4, No. 9 & 10 - May/June 1953)

  39. Measurements to 100 MHz with the HP Frequency Counter  by Dexter Hartke  (Vol. 4, No. 11 & 12 - July/Aug. 1953)

    40. Volume 5


  40. Time Interval Measurements with the HP Electronic Counter  by D.R. Scott and E.A. Hilton  (Vol. 5, No. 1 & 2 - Sep./Oct. 1953)

  41. A New 60-Cycle Per Revolution Generator for Precision Tachometry Measurements  by Wm. Girdner  (Vol. 5, No. 3 & 4 - Nov./Dec. 1953)

  42. A New Signal Generator for the 7 GHz to 11 GHz Range  by Arthur Fong  (Vol. 5, No. 5 & 6 - Jan./Feb. 1954)
    • William Hewlett Elected IRE President

  43. Frequency and Time Measurements with the New HP High Speed Counter  by Alan S. Bagley, Wm. D. Myers, and Dexter Hartke  (Vol. 5, No. 7 & 8 - Mar./Apr. 1954)

  44. Wider Range and Higher Stability in the New HP 4 MHz Voltmeter  by John Zevenbergen  (Vol. 5, No. 9 - May 1954)

  45. The HP 500 Volt, 200 mA Metered Power Supply  by Don Broderick  (Vol. 5, No. 10 - June 1954)
    • A Convenient Source of Multiple Pulses

  46. New Conveniences for Microwave Power Measurements  by Wm. Gallagher and B.P. Hand  (Vol. 5, No. 11 - July 1954)

  47. Advanced Performance in Two New VHF Signal Generators  by H.E. Overacker  (Vol. 5, No. 12 - Aug. 1954)

    48. Volume 6


  48. The HP Microwave Reflectometers  by N.L. Pappas and J.K. Hunton  (Vol. 6, No. 1 & 2 - Sep./Oct. 1954)

  49. New Broadband Microwave Power Amplifiers Using Helix-Coupled TWTs  by P.D. Lacy and D.E. Wheeler  (Vol. 6, No. 3 & 4 - Nov./Dec. 1954)
    • A New Helix-Forming Machine with Micro-inch Error

  50. A Precision Wave Guide Attenuator Which Obeys a Mathematical Law  by B.P. Hand  (Vol. 6, No. 5 - Jan. 1955)
    • A New Precision Wave Guide Phase Shifter  by E.F. Barnett

  51. A New 10 MHz to 12 GHz Coaxial Crystal Detector Mount  by N.B. Schrock  (Vol. 6, No. 6 - Feb. 1955)
    • New Plug-In Decade Counters of Refined Design  by Marvin Willrodt
    • Two New Transformers for Measurements on Balanced Systems

  52. A New Standing Wave Indicator with an Expanded VSWR Scale  by Brunton Bauer  (Vol. 6, No. 7 - Mar. 1955)
    • More Conveniences in the HP Microwave Power Meter  by Don Carmean

  53. A New 10 Hz - 600 kHz High Stability VTVM  by John Zevenbergen  (Vol. 6, No. 8 - Apr. 1955)
    • Some Effects of Waveform on VTVM Readings - Part 1  by B.M. Oliver

  54. A New 1 Hz - 1 MHz Square Wave Generator with a 20-Picosecond Rise Time  by Don Broderick  (Vol. 6, No. 9 - May 1955)
    • Some Effects of Waveform on VTVM Readings - Part 2  by B.M. Oliver

  55. The New HP 15 GHz to 21 GHz, 10 mW Signal Generator  by Wm. D. Myers  (Vol. 6, No. 10 - June 1955)
    • Some Effects of Waveform on VTVM Readings - Part 3  by B.M. Oliver

  56. A New 120 kHz Industrial Counter for Measuring RPM, Velocity, Quantity, Flow, etc.  by Frank Koziuk  (Vol. 6, No. 11 - July 1955)

  57. A Simple Precision System for Measuring CW and Pulsed Frequencies Up to 12.4 GHz  by Dexter Hartke  (Vol. 6, No. 12 - Aug. 1955)

    58. Volume 7


  58. A New 3 Hz to 100 kHz Electronic Frequency Meter with Discriminator Output and Expandable Scale  by Duane Marshall  (Vol. 7, No. 1 - Sep. 1955)

  59. High-Directivity Coaxial Directional Couplers and Reflectometers  by C.S. Reis, H.C. Poulter and J.K. Hunton  (Vol. 7, No. 2 - Oct. 1955)

  60. Square Wave and Pulse Testing of Linear Systems  by B.M. Oliver  (Vol. 7, No. 3 - Nov. 1955)
    • Step Function Response of Typical Networks

  61. An Enhanced Accuracy High Readability VTVM  by John Zevenbergen  (Vol. 7, No. 4 - Dec. 1955)
    • Use of the "Notch Wattmeter" with HP Signal Generators

  62. New TWT Amplifiers with Provision for Simulating Special Microwave Signals  by Geo. W.C. Mathers and Peter D. Lacy  (Vol. 7, No. 5 - Jan. 1956)

  63. Three New HP Audio Oscillators  by Brunton Bauer  (Vol. 7, No. 6 - Feb. 1956)
    • The HP Balanced R-C Oscillator Circuit  by B.M. Oliver

  64. A New DC to 300 KHz High-Sensitivity Oscilloscope with Triggered Sweep  by Dick Reynolds and Duane Dunwoodie  (Vol. 7, No. 7 - Mar. 1956)

  65. A New DC to 10 MHz Oscilloscope with Dual-Trace and High-Gain Preamplifiers  by Robert A. Grimm and Norman B. Schrock  (Vol. 7, No. 8 - Apr. 1956)

  66. A New 10 GHz to 15.5 GHz, 10 mW Signal Generator  by Wm. D. Myers  (Vol. 7, No. 9 & 10 - May/June 1956)
    • A Simple 0-500 Volt Metered Power Supply  by Brunton Bauer
    • Balanced Output from the HP Square Wave Generator

  67. A DC to 1.1 MHz Frequency Counter with Time Interval Markers  by Jeffrey B. Wolfington  (Vol. 7, No. 11 & 12 - July/Aug. 1956)
    • The HP Readout Systems

    Volume 8


  68. A Micrometric 12 GHz to 40 GHz Waveguide Slotted Line with Interchangeable Sections and Untuned Probe  by J.K. Hunton  (Vol. 8, No. 1 & 2 - Sep./Oct. 1956)

  69. A New Adjustable Gate Time Counter from a New HP Affiliate  (Vol. 8, No. 3 & 4 - Nov./Dec. 1956)
    • New Photo-Electric Tachometry Transducer
    • Dynac, Inc. - A New Service for Specialized Instrumentation
    • Radar Signal Simulators

  70. An RC Oscillator that Covers the 20 Hz to 20 kHz Range in a Single Dial Sweep  (Vol. 8, No. 5 - Jan. 1957)
    • Design Principles of the 1001:1 Range Single-Band RC Oscillator  by Nicholas Kovalevski and B.M. Oliver

  71. A New 8 GHz to 12 GHz Voltage-Tuned Sweep Oscillator for Faster Microwave Evaluations  P.D. Lacy and Daniel E. Wheeler  (Vol. 8, No. 6 - Feb. 1957)
    • Backward Wave Oscillator Tubes

  72. A Fast Digital Recorder with Analog Output for Automatic Data Plotting  by Alan S. Bagley and Ed A. Hilton  (Vol. 8, No. 7 - Mar. 1957)
    • Operation of the Digital Recorder

  73. A 250 Hz to 100 kHz Oscillator for High-Stability Applications  by Albert Ennor and Edna MacLean  (Vol. 8, No. 8 - Apr. 1957)
    • How Model 200T Stability Curves were Plotted
    • Higher Accuracy in Measuring Audio and Sub-Audio Frequencies  by Albert Ennor

  74. A Note on Measuring Coaxial Coupler Directivity  by Howard C. Poulter  (Vol. 8, No. 9 & 10 - May/June 1957)
    • High dB-Resolution Meter Scales for HP VTVMs

  75. A Small, Convenient Frequency Counter for General-Purpose Use  by Frank Koziuk  (Vol. 8, No. 11 - July 1957)
    • Some Handy Uses for the HP650A Test Oscillator  by Arthur Fong

  76. A Rack-Mounting DC to 300 kHz Oscilloscope with Expandable Sweep  by Duane Dunwoodie and Dick Reynolds  (Vol. 8, No. 12 - Aug. 1957)

    77. Volume 9


  77. Permanent Record and Oscilloscope Techniques with the Microwave Sweep Oscillator  by Peter D. Lacy and Daniel E. Wheeler  (Vol. 9, No. 1 & 2 - Sep./Oct. 1957)

  78. An Improved Method for Measuring Losses in Short Waveguide Lengths  by Peter D. Lacy and Kenneth E. Miller  (Vol. 9, No. 3 & 4 - Nov./Dec. 1957)
    • Derivation of Waveguide Small-Loss Equation
    • How Doppler Shift Records Provide Satellite Range and Height Data

  79. An Automatic Noise Figure Meter for Improving Microwave Device Performance  by Howard C. Poulter  (Vol. 9, No. 5 - Jan. 1958)
    • Noise Figure and Its Measurement  by B.M. Oliver

  80. Increased Operational Simplicity in a New DC to Several-Hundred kHz Oscilloscope  by Duane Dunwoodie  (Vol. 9, No. 6 - Feb. 1958)
    • New HP Research and Development Divisions

  81. An Increased-Sensitivity Microvolt-Ammeter Using a Photoconductive Chopper  by John M. Cage  (Vol. 9, No. 7 - Mar. 1958)

  82. A Precision Delayed-Pulse Generator for Measuring and Generating Short Time Intervals  by Marvin Willrodt, Don Broderick, and Dexter Hartke  (Vol. 9, No. 8 - Apr. 1958)

  83. A Fast, Automatic Printer for Digital-Type Data Devices  by Ed A. Hilton  (Vol. 9, No. 9 - May 1958)
    • A Current-Limiting Regulated Power Supply for Transistor Work  by Donald F. Schulz

  84. A Clip-On DC Milliammeter for Measuring Tube and Transistor Circuit Currents  by Arndt Bergh, George S. Kan, and Charles O. Forge  (Vol. 9, No. 10 & 11 - June/Jul. 1958)
    • HP Board of Directors Enlarged

  85. An Automatic DC to X-Band Power Meter for the Medium Power Range  by B.P. Hand  (Vol. 9, No. 12 - Aug. 1958)

    86. Volume 10


  86. A Dual-Trace Automatic Base Line Oscilloscope for the DC to Several-Hundred kHz Range  by John Strathman  (Vol. 10, No. 1 & 2 - Sep./Oct. 1958)
    • Two High-Performance Attenuators for the DC to 500 MHz Range  by Arthur Fong and Harley L. Halverson

  87. 5 x 10-8/Week Time Base Accuracy in the 10 MHz Frequency Counter  by Leonard S. Cutler and LaThare N. Bodily  (Vol. 10, No. 3 & 4 - Nov./Dec. 1958)
    • Assuring Time Base Performance

  88. A New Digital DC Voltmeter with Automatic Range and Polarity Selection  by Theodore C. Anderson and Noel M. Pace  (Vol. 10, No. 5 - Jan. 1959)

  89. Additional Conveniences for Noise Figure Measurements  by Marco R. Negrete  (Vol. 10, No. 6 & 7 - Feb./Mar. 1959)

  90. Special-Purpose Performance in a General-Purpose 50 kHz to 65 MHz Signal Generator  by Arthur Fong  (Vol. 10, No. 8 - Apr. 1959)
    • H. Rowan Gaither Jr. Elected to HP Board of Directors
    • Dr. Harold T. Friis Becomes Consultant

  91. A Clip-On Oscilloscope Probe for Measuring and Viewing Current Waveforms  by Robert R. Wilke  (Vol. 10, No. 9 & 10 - May/June 1959)

  92. A Precision DC Vacuum-Tube Voltmeter with Extended Sensitivity and High Stability  by Donald Norgaard  (Vol. 10, No. 11 & 12 - July/Aug. 1959)

    93. Volume 11


  93. A New 20 Hz to 50 kHz Wave Analyzer with High Selectivity and Simplified Tuning  by J.R. Petrak  (Vol. 11, No. 1 & 2 - Sep./Oct. 1959)
    • Measuring Microwave Tube Electrode Coefficients with an Audio Wave Analyzer  by Harley L. Halverson

  94. A New Clock for Improving the Accuracy of Local Frequency and Time Standards  by Dexter Hartke  (Vol. 11, No. 3 & 4 - Nov./Dec. 1959)

  95. A Versatile New DC to 500 MHz Oscilloscope with High Sensitivity and Dual Channel Display  by Roderick Carlson  (Vol. 11, No. 5, 6, & 7; - Jan./Feb./Mar. 1960)
    • High-Speed Effect in Solid-State Diodes Explained with New Oscilloscope
    • Permanent X-Y Recordings of Displayed Signals

  96. The Effect of μ-Circuit Non-Linearity on the Amplitude Stability of RC Oscillators  by Bernard M. Oliver  (Vol. 11, No. 8, 9, & 10 - Apr./May/June 1960)
    • Utilizing VLF Standard Broadcasts with the HP Frequency Divider and Clock
    • De Gaulle Visits HP Plant

  97. A New Clip-On Oscilloscope/Voltmeter Probe for 25 Hz to 20 MHz Current Measurements  by Charles O. Forge  (Vol. 11, No. 11 & 12 - July/Aug. 1960)
    • The Value of AC Current Measurements

    Volume 12


  98. A New RF Millivoltmeter for Convenient Measurements to 1 GHz  by Theodore C. Anderson  (Vol. 12, No. 1 - Sep. 1960)

  99. A Voltage-to-Frequency Converter for Greater Flexibility in Data Handling  by R.A. Andersen  (Vol. 12, No. 2 - Oct. 1960)
    • DYMEC: An HP Service for Special Instrumentation Situations

  100. A New Frequency/Time Standard with 5x10-10 Day Stability  by Leonard S. Cutler  (Vol. 12, No. 3 - Nov. 1960)

  101. Improved Sweep Frequency Techniques for Broadband Microwave Testing  by Elmer Lorence and J.K. Hunton  (Vol. 12, No. 4 - Dec. 1960)

  102. A New Frequency Counter Plug-In Unit for Direct Frequency Measurements to 510 MHz  (Vol. 12, No. 5 - Jan. 1961)
    • Two New Microwave Frequency Doublers for Extending Signal Sources to the 18-40 GHz Range

  103. Two Versatile New Power Supplies for High-Power Semiconductor Work  by E. Robert Aikin  (Vol. 12, No. 6 - Feb. 1961)

  104. Increasing Accuracy in HP Meters Through Servo Calibrating Methods  by Bernard M. Oliver  (Vol. 12, No. 7 - Mar. 1961)

  105. Two New Militarized Oscilloscopes Having Both Horizontal and Vertical Plug-Ins  by George F. Fredrick  (Vol. 12, No. 8 - Apr. 1961)

  106. Two New Transistorized Frequency Counters with Increased Readout and Low-Frequency Capabilities  (Vol. 12, No. 9 - May 1961)
    • Digital or Analog Recording of Counter Measurements

  107. A Microwave Power Meter with a Hundredfold Reduction of Thermal Drift  by R.F. Pramann  (Vol. 12, No. 10 - June 1961)
    • A New Low-Cost DC Fan for Cabinet Cooling

  108. A Parallax-Free No-Glare CRT for HP Oscilloscopes  by Bertrand W. Squier, Jr.  (Vol. 12, No. 11 & 12 - July/Aug. 1961)
    • A New DC to 450 kHz Oscilloscope Using the Internal-Graticule CRT

    Volume 13


  109. A New SWR Meter with High Gain-Stability  by Darwin L. Howard  (Vol. 13, No. 1 & 2 - Sep./Oct. 1961)

  110. Broader Information Capabilities in the Clip-On DC Milliammeter  by Donald E. Barkley and Arndt Bergh  (Vol. 13, No. 3 & 4 - Nov./Dec. 1961)

  111. The Transistorized RC Oscillator  by David S. Cochran  (Vol. 13, No. 5 - Jan. 1962)
    • New One Watt TWT Amplifiers for More Rapid Microwave Measurements  by George W.C. Mathers

  112. A New Digital Voltmeter Having High Rejection of Hum and Noise  by R.A. Andersen  (Vol. 13, No. 6 - Feb. 1962)
    • A Versatile Digital Recorder for BCD Data  by Ed A. Hilton
    • A Digital-to-Analog Converter with High Output Resolution  by Ed A. Hilton

  113. A New Scope Plug-In for Convenient Measuring of Fast Switching Times  by Kay B. Magleby  (Vol. 13, No. 7 - Mar. 1962)
    • The Gigahertz Sampling Oscilloscope  by Roderick Carlson
    • A Digital System for Automatic Measurements of Switching Times  by H.C. Stansch

  114. A New 50 MHz Oscilloscope Based on an Advanced CRT Design  by Floyd C. Siegel  (Vol. 13, No. 8 - Apr 1962)
    • Horizontal Plug-Ins

  115. A Phase-Locking Synchronizer for Stabilizing Reflex Klystrons  by Albert Benjaminson  (Vol. 13, No. 9 & 10 - May/June 1962)
    • A New Wide-Application Klystron Power Supply  by Robert C. Allan
    • An Oscilloscope Camera with "Black Light" Graticule Illumination  by James A. Chesebrough

  116. The Present Attainments of Adjustable Power Supplies  (Vol. 13, No. 11 - July 1962)

  117. A DC to 500 kHz Oscilloscope with Extended Measurement Capabilities  by John Strathman  (Vol. 13, No 12 - Aug. 1962)

    118. Volume 14


  118. A New Generation of High-Speed Frequency Counters  by Tracy S. Storer and Charles M. Hill  (Vol 14., No. 1 - Sep. 1962)
    • Counter Plug-Ins

  119. A New Pulse Generator with Very Fast Rise Time  by Charles O. Forge  (Vol. 14, No. 2 - Oct. 1962)
    • Measuring Small, Stray L & C with Nanosecond Pulses  by Charles O. Forge

  120. A Solid-State Operational Amplifier of High Stability  by Robert J. Strehlow  (Vol. 14, No. 3 & 4 - Nov./Dec. 1962)
    • Amplifier Plug-Ins
    • A Portable Frequency-Response Test Set  by Don A. Wick

  121. A Versatile Wave Analyzer for the 1 kHz to 1.5 MHz Range  by Stanley McCarthy  (Vol. 14, No. 5 & 6 - Jan./Feb. 1963)
    • A Quick, Convenient Method for Measuring Loop Gain  by Philip Spohn

  122. A New Microwave Modulator  by Nicholas J. Kuhn  (Vol. 14, No. 7 & 8 - Mar./Apr. 1963)
    • A Convenient Probe for Sensing Magnetic Field  by Arndt Bergh
    • Using the Smith Chart with Negative Real-Part Impedances or Admittances  by Harley L. Halverson and Luiz Peregrino
    • New Submultiple Prefixes

  123. A New Multi-Function Voltmeter for General Laboratory Use  by Paul G. Baird  (Vol. 14, No. 9 & 10 - May/June 1963)
    • A Guarded Amplifier for Increasing Digital Voltmeter Sensitivity  by Donald H. Jenkins

  124. An 800 MHz to 2400 MHz Signal Generator with Automatically-Leveled Output Power  by James R. Ferrell  (Vol. 14, No. 11 - July 1963)
    • A Variable-Frequency AC Power Supply for General-Purpose Testing  by Duane P. Lingafelter

  125. A Wide-Range RC Oscillator with Push-button Frequency Selection  by Robert W. Colpitts  (Vol. 14, No. 12 - Aug. 1963)
    • Special Push-Button Audio Oscillator for Telephone Testing  by Robert W. Colpitts
    • A Tunnel-Diode Pulse Generator with 0.1 Nanosecond Risetime  by Roderick Carlson

    Volume 15


  126. A Basic New Wide-Band Oscilloscope with Planned Anti-Obsolescene  by Richard E. Monnier  (Vol. 15, No. 1 - Sept. 1963)
    • The Time Domain Reflectometer  by Lee R. Moffitt
    • The Radial Field Cathode-Ray Tube
    • Amplifier Plug-Ins
    • Sweep Generator Plug-Ins

  127. A General-Purpose Pulse Generator Producing High-Power, Fast-Rise Pulses  by Johan Blokker and George Kan  (Vol. 15., No. 2 - Oct. 1963)
    • A Clip-On Current Probe for Wideband Oscilloscope Measurements  by John G. Tatum
    • NBS Inagurates Higher Power VLF Standard Frequency Broadcasts

  128. A New Multi-Purpose Digital Voltmeter  by Charles W. Near and David S. Cochran  (Vol. 15, No. 3 - Nov. 1963)
    • A New Coaxial Crystal Detector with Extremely Flat Frequency Response  by Russell B. Riley
    • Voltmeter Plug-Ins

  129. A New Series of Microwave Sweep Oscillators with Flexible Modulation and Leveling  by Robert L. Dudley  (Vol. 15, No. 4 - Dec. 1963)
    • Examination of the Atomic Spectral Lines of a Cesium Beam Tube with the HP Frequency Synthesizer  by Leonard S. Cutler

  130. An RMS-Responding Voltmeter with High Crest Factor Rating  by Gregory Justice  (Vol. 15, No. 5 - Jan. 1964)
    • Crest Factor
    • Long-Term Stability of the HP130C Sensitive DC to 500 kHz Oscilloscope  by John Strathman
    • HP Factory Training Seminars

  131. Time Domain Reflectometry  by B. M. Oliver  (Vol. 15, No. 6 - Feb. 1964)
    • Time Domain Reflectometry with a Plug-In for the HP140A Oscilloscope
    • TDR with HP Sampling Scopes

  132. Broadband, Solid-State Amplifiers  by Alfred F. Gort  (Vol. 15, No. 7 - Mar. 1964)
    • An Air-Bearing Spindle for Highly Precise Machining  by Edward H. Phillips
    • International System of Units

  133. A New Instrument for Measuring Microwave Frequencies with Counter Accuracy  by Rudolph F. Pasos  (Vol. 15, No. 8 - Apr. 1964)
    • A New DC-4000 MHz Sampling 'Scope Plug-In with Signal Feed-Through Capability  by Wayne M. Grove

  134. A 0-50 MHz Frequency Synthesizer with Excellent Stability, Fast Switching, and Fine Resolution  by Victor E. Van Duzer  (Vol. 15, No. 9 - May 1964)
    • Notes on the Application of Frequency Synthesizers  by Victor E. Van Duzer
    • Digital Frequency Synthesis  by Bernard M. Oliver

  135. Precision Plug-In Frequency Measurements to 3000 MHz  by Charles M. Hill  (Vol. 15, No. 10 - June 1964)
    • Changes in Standard Broadcasts
    • A New Oscilloscope Plug-In with Four 40 MHz Channels  by James R. Pettit

  136. A New Performance of the "Flying Clock" Experiment  by Leonard S. Cutler and Alan S. Bagley  (Vol. 15, No. 11 - July 1964)
    • A Measurement of the Ratio of the Zero-Field Hyperfine Splittings of Cesium 133 and Hydrogen  by Leonard S. Cutler
    • Plant Distribution of a One-Volt DC Standard  by Richard Bean

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