Frequency Counters, Time & Frequency Standards

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Frequency Meters & Counters
MODEL RANGE INTRO Pg HP-JRNAL COMMENTS
500A VLF 1945 23 - Electronic Frequency Meter - 10 to 50 KHz in 10 Ranges - Accuracy +/- 2% of Full Scale
500B VLF 1955 48 1955 09 Electronic Frequency Meter 3Hz to 100KHz in 9 Ranges
5212A RF 1961 108 1961 05 Electronic Counter 300KHz - 5 Digits Small Height Columns Display - Freq, Period, Interval, Average
5216A RF 1968 566 1967 08 Electronic Counter 3Hz to 12,4MHz - 10mV Sensitivity - 7 Digits Nixi Display - Freq, Period, T.I. - BCD Out
521C VLF 1957 63 1957 07 Electronic Counter 120KHz - Display with 5 Colums of Neon Lamps
5221B VHF 1968 549 1967 08 Economical Integrated Circuit Frequency Counter 5Hz to 10MHz - 5 Digits Nixi Display
5245L VHF 1963 128 1962 09 Electronic Counter Mainframe for 52XX Drawer - 8 Digits Nixi Display
5245M RF 1968 554 1968 02 Electronic Counter Mainframe for 52XX Drawer - DC to 50MHz - 8 Digits Nixi Display - BCD Output
524D RF 1958 7 1958 11 Electronic Counter 10MHz - 8 Decades Colums Neon Lamps - 5x10-8 Timebase Stability
5252A VHF 1965 51 - Prescaler Drawer for 5245L Electronic Counter - Extend Direct Frequency Counting Range to 350MHz
5253B VHF 1965 49 - Frequency Converter Drawer for 5245L Electronic Counter - 50 to 500MHz
5257A MW 1969 607 1968 02 Transfer Oscillator for 5245L/M Counter ,05 to 18GHz - Internal 66 to 133MHz VFO
525C VHF 1961 105 1961 01 Frequency Converter Drawer for 524C Electronic Counter - 100 to 510MHz
526A RF 1954 3 1954 04 Video Amplifier Drawer for 524D Counter - Increase Sensitivity to 10mV RMS Input
526B RF 1954 3 1954 04 Time Interval Drawer for 524D Counter - Range 1us to 10E7 seconds
5300A NA 1972 218 1971 08 Snap-On Counter Display for 53XX Modules - 6 Digits
5303B UHF 1972 218 1975 05 Freq. Counter Module for 5300A - 525MHz
5304A RF 1972 218 1971 08 Timer/Counter Module for 5300A Snap-On Measuring System Mainframe - 10MHz
5308A RF 1975 276 1975 05 Timer/Counter Module for 5300A Snap-On - 75MHz - Freq, Period, Interval, Average
5315A RF 1979 304 1979 01 Reciprocical Counter 100MHz - 2 Channel - 8 Digits
5321B RF 1969 620 1967 08 Electronic Counter 10MHz - 5 Digits Nixi Display
5326A RF 1970 606 1970 04 Frequency Counter 50MHz - 7 Digits Nixi - 3 Channels Input 100mV Sensitivity
5328A VHF 1976 252 1975 07 Universal Counter 100MHz - 2 Channel - Time Interval
53310A MW 1992 185 - Frequency Domain Analyzer - Digital - 2,5GHz
5334A VHF 1984 294 - Unversal Counter 100MHz - 2 Channel - Time Interv, Period, 9 Digits, 10 Save/Recall Reg.
5335A VHF 1980 314 1980 09 Universal Counter 200MHz - 2 Channel - Time Interv, Phase, Math, 9 Digits + Exponent
5342A MW 1978 290 1978 05 Microwave Counter 18GHz - 11 Digits -20dBm Sensitivity
5363A VHF 1976 246 1975 10 Time Interval Probes 350MHz BW - +9,99V to -9,99V Dynam.Range - 1MOhms Input Z
536A MW 1961 182 - Precision General Purpose Coaxial Frequency Meter 940MHz to 4GHz - 0,1% Accuracy
5370A RF 1978 277 1978 08 Time Interval Counter 20ps Res. 100MHz - 12 Digits
5370B RF 1984 288 - Time Interval Counter 20ps Res. 100MHz - 12 Digits
5384A VHF 1984 302 - Electronic Counter 225MHz - 2 Channel
540B MW 1959 9 1955 08 (A) Transfer Oscillator - Harmonic Mixing up to 12,4GHz of Internal 100 to 220MHZ Oscillator
AC-4A RF 1955 60 1955 02 Decade Counter 120KHz counting Rate - Display Part of 521 & 524 series Counter - 1rst HP OEM Product
Frequency & Time Standards
MODEL RANGE INTRO Pg HP-JRNAL COMMENTS
100E RF 1961 125 - Frequency Standard - 5/10-8 per Week Stability - Multiple Outputs 10Hz to 1MHz - Built-in Oscilloscope
101A RF 1961 125 1958 12 Reference Quartz Oscillator 1MHz - 5/10-8 per Week Drift rate
103AR RF 1961 121 1960 11 Reference Quartz Oscillator 1MHz & 100KHz - 5/10-10 per Day Stability
10544A RF 1973 285 - Reference Quartz Oscillator 10MHz - Used in most High Stability Options
10544B RF 1973 285 - Reference Quartz Oscillator 10MHz - Used in most High Stability Options
105B RF 1968 595 - Reference Quartz Oscillator 5MHz, 1MHz & 100KHz - 5/10-10 per Day Stability
10811A RF 1981 327 1981 03 Reference Quartz Oscillator 10MHz - 2nd Generation Replacement for 10544A/B
117A VLF 1964 9 1964 10 VLF Comparator - Compares Frequency against 60KHz WWVB NBS Standard
5061A RF 1968 590 1967 12 Cesium Beam Primary Frequency Standard - 1 x 10-11 Accuracy (LED Clock 1976)
5065A 5 MHZ 1969 646 1968 07 Rubidium Frequency Standard - 5MHz at 1 x 10-11/month Drift rate
5087A RF 1972 242 - Distribution Amplifier - Dispatch Local Standard Frequency 1, 5 or 10MHz to up to 12 Outputs
59309A NA 1975 257 1975 01 Displays or Send to HPIB Month, Day, Hour, Minute & Seconds
70310A RF 1986 647 - MMS 1 slot Precision Frequency Reference for 70000 Spectrum Analyzers - 10 & 100MHz Buffered Output
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