HP 8671A Frequency Synthesizer
2 GHz to 6.2 GHz in 1kHz steps
50kHz / V and 5 MHz / V Ranges
Max Input 2 V Peak
FM & peak deviation up to 10MHz
This frequency synthesizer powers up to standby mode only, the cooling fan does not operate, and there is no RF output. It is being sold as is for parts only. It came to us from a retiring electrical engineer who used this in his calibration and product development electronics lab.