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HP 538X Family |
The Hewlett-Packard 538X family of low-cost frequency counters measure frequencies to 3 GHz. Features include high sensitivity, ease-of-use, and remote programmability. The half-rack-width package is suitable for bench, field, and systems applications. A 12-digit liquid crystal display is easy to read, even in sunlight, and uses large characters that are visible from the end of a bench or at the top of a test system. Remotely accessible, the display can be used for messages, operator prompts, as well as measurement units.
Related product datasheets available online:
Input Characteristics -- Channel A Range: 10 Hz to 100 MHz Sensitivity [MAN LEVEL] off: 15 mVrms sine wave 50 Hz to 100 MHz 25 mVrms sine wave 10 Hz to 50 Hz 45 mV pk-pk 5 ns minimum pulse width Dynamic Range: 45 mV to 4V pk-pk X attenuator setting Impedance: X1: 1 Mohm NOMINAL || <25 pF X20: 500 kohm NOMINAL || <25 pF Attenuator: X1 or X20 NOMINAL, X20 increases to X40 below 50 Hz Trigger Level: [MAN LEVEL] ON: variable from -0.1V to +0.1V X attenuator setting about average signal value [MAN LEVEL] OFF: automatically set to average value of signal Damage Level: X1: 10 - 200 Hz 350V (dc + ac peak) 0.2 - 420 kHz 170V (dc + ac peak) 0.42 - 10 MHz (5 X 10^7 Vrms Hz)/FREQ >10 MHz 5 Vrms X20: <1 MHz, same as X1 >1 MHz, 50 Vrms TCXO Timebase Frequency: 10 MHz Aging Rate: <1 X 10e-7/month Temperature: <2 X 10e-6, 0-40 degrees C (+/-1 X 10e-6, 0 - 40 degrees C if referenced to 25 degrees C and set to the offset frequency) Line Voltage: <5 X 10e-8 for +/-10% variation
HP 5384A Frequency Counter, 225 MHz Opt 001 High Stability TCXO Timebase Opt 004 High Stability Ovenized Timebase Opt 005 Battery Pack HP 5385A Frequency Counter, 1.0 GHz Opt 004 High Stability Ovenized Timebase Opt 005 Battery Pack HP 5386A Frequency Counter 3.0 GHz Opt 004 High Stability Ovenized Timebase
Page Updated: Thursday June 19 16:08:43 UTC 1997