HP 8644A High performance RF Signal Generator
252 kHz - 1,030 MHz, 10 mHz resolution
At 800 kHz spectrum
Sidebands
At 200 MHz
Spectrum
Sidebands
At 50 MHz
Spectrum
Sidebands
HP3325B Modulation Generator Source
The audio generator on this unit was quite limited. 2 Vp-p or zero. Four frequencies. 3 kHz measured at 2.984553 kHz.
Spectrum
Sidebands