The HP 8601A Generator Sweeper is a general purpose Generator and Sweeper, but bought specifically for use with the HP 8407A Network Analyser. The original cost was $3,300 in 1980. A HP Manual was downloaded from the Web. The serial number is much later than the downloaded HP Manual so several assemblies are different.
Front view
Rear view
Specification
Frequency Range: 100kHz to 11MHz and 1MHz to 110MHz. Ouput Level: +20dBm to -110dBm into 50Ω. Carrier Wave (CW) output, or Fast, Slow and Manual Sweeps across the full range, part of the range, or symetrically around the CW frequency; all with varying sweep widths. Internal or external AM or FM available.
Connectors
Front Panel, all BNC Female AUX OUT SWEEP OUT EXT FM EXT AM RF OUT
Rear Panel, all BNC Female SWEEP INHIBIT SWEEP VTO * BLANKING UNCAL RF Plus Switch for RF BLANKING & CRYSTAL CAL on/off
* The VTO (Voltage Tuned Oscillator) Output is always 200MHz above RF Output at 200.1MHz to 310MHz and is used to phase-lock with the HP 8407A Network Analyser.
January 2008
Arrived with some obvious damage in transit. It needs a complete overhaul and some repair work to get this Unit fully operational, for details see Repair HP 8601A Generator Sweeper.
May 2008
Repair work and performance tests completed.
August 2019
All the 8407A & 8410C based Network Analyser System, including the 8601A, has now been Sold.