Wiltron 6640/03 Programmable Sweep Generator
The Wiltron 6640 is a Sweep Generator, covering the frequency range of 26.5 to 40 GHz.
Internally leveled maximum output is >1 mW.
Various sweep modes are possible. For example full sweep, sweeps from F1 to F2, sweeps from marker 1 to marker 2, and Delta-F.
CW operation as well.
Frequency resolution is 1 MHz.