Agilent/HP 8640B/8642/8644信号源
Agilent/HP 8640B信号源
详细资料：

Frequency Range: 500 kHz to 512 MHz in 10 octaves

Fine Tuning Unlocked: >1000 ppm total range
Accuracy: 6.5 digit LED display with X10 and X100 expand
Stability: <10 ppm / 10 minutes
Output Range:
002: +18 to -145 dBm
003: +18.5 to -145 dBm
004: +15 to -142 dBm
Level Accuracy: ± 1.5 dB to ± 4.5 dB
opt. 004: ±2 dB to ±3 dB
Modulation: internal and external AM/FM and Pulse
AM Bandwidth: 3 dB
External Input Impedance: 600 W
Features

Low SSB phase noise
Internal phase lock/synchronizer, digital frequency readout,external count capability to 550 MHz
Avionics version (Option 004)
Calibrated, metered AM, FM and pulse modulation
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