The figure shows a way to apply gain control to the LM3600 OTA. The circuit is from a Radio Electronics from July 1988.
This amplifier with a 9 MHz passband and 10 voltage gain with two transistors was found in...
We found this circuit in a 1978 publication. The flip-flops are of the T type and the time...
This amplifier was taken from documentation from the 1960s. Transistors are germanium types from...