Multiplexed mixer (CB20762E)

This configuration from the 1970s can be applied to modern equivalent operational amplifiers. The number of channels can also be changed.

240 kHz amplifier using the LF356 (CB3994E)
The circuit presented with low drift is from the Motrorola LinearDatabook of 1990. The circuit...
Triggered Sawtooth Generators LM3900 (CB15630E)
The previous circuit (CB15629E) can be changed to generate a sawtooth signal synchronized...
Dual adjustable symmetrical power supply (CB25957E)
This dual adjustable power supply was found in the June 1990 issue of Radio Electronics magazine....