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HP 85650A Quasi-Peak Adapter | |
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The HP 85650A quasi-peak adapter is an accessory used with the HP 8566B or 8568B spectrum analyzers for performing quasi-peak measurements as recommended by CISPR. These include the correct 6 dB bandwidths (200 Hz, 9 kHz, 120 kHz) and the specified detector charge and discharge time constants. The bypass mode returns the spectrum analyzer back to standard operation unaffected by the quasi-peak adapter. In the normal mode the three CISPR bandwidths are available and quasi-peak detector can be turned on and off. There is a built-in speaker and phone jack for monitoring signals. The HP 85650A provides nine form C (SPDT) auxiliary switches that can be used with external power supplies to switch coax relays, DUT power, or your individual switching needs. Six switches are multiplexed such that when one is on five are off. All functions are controlled over the HP-IB (IEEE 488) except volume and line.
Frequency Bandwidth Charge TC (ms) Discharge TC (ms) Band (MHz) at 6 dB ----------------------------------------------------------------- .01 to 0.15 200 Hz 45 500 0.15 to 30 9 kHz 1 160 30 to 1000 120 kHz 1 550 Quasi-Peak Response to CISPR Pulse (dB micro V) PRF (Hz) 10 to 150 kHz .15 to 30 MHz 30 to 1000 MHz -------------------------------------------------------------- 1000 64.5 ą2.5 68.0 ą2.5 100 64.0 ą2.5 60.0 ą1.5 60.0 ą1.5 60 63.0 ą2.5 25 60.0 ą1.5 20 53.5 ą2.5 51.0 ą2.5 10 56.0 ą2.5 50.0 ą3.0 46.0 ą3.0 5 52.5 ą3.0 2 47.0 ą3.5 39.5 ą3.5 34.0 ą3.5 1 43.0 ą3.5 37.5 ą3.5 31.5 ą3.5 Isolated Pulse 41.0 ą3.5 36.5 ą3.5 28.5 ą3.5
HP 85650A Quasi-Peak Adapter Opt 908 Rack Flange Kit without Handles Opt 910 Extra Manual Opt 913 Rack Flange Kit with Handles
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Page Updated: Thursday June 19 16:14:28 UTC 1997