Synthesized Signal Generator 8644A

The HP8644A Synthesized Signal Generator is a high perform­ance, 252 kHz to 1030 MHz generator that provides excellent spec­tral purity for confidence in RF measurements. For R&D or stringent testing of communications equipment, the low phase noise and low spurious provide the measurement margin necessary for repeatability and accuracy.

For receiver measurements the HP8644A offers AM, FM, and pulse modulation. FM deviations up to 20 MHz combined with speci­fied rates to 100 kHz can test most communication receivers. AM performance includes 0-100% depth and rates to 100 kHz.

The unit has typical leakage of <1 µV induced in a two-turn loop, which is sufficient for most R&D or production testing. For sensitive measurements, Option 010, a low leakage configuration, provides more RF shielding and has typical leakage of 0.1 µV.

Specifications

Frequency Range:
251.46485 kHz to 1030 MHz; 251.46485 kHz to 2060 MHz with Opt 002.
Stability: Opt 001: <5X10^-10/day aging after 10 day warm-up.

Output
Maximum level: +16 dBm, 0.25 to 1030 MHz; +13 dBm with Opt 005;
Opt 002: +14 dBm, 0.25 to 1030 MHz; +13 dBm, 1030 to 2060 MHz.

Minimum level: -137 dBm
Resolution: 0.1 dB
Absolute accuracy: +1 dB, output >-127 dBm

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