This circuit is from a 1967 documentation. It makes use of varicap and diode tunnel in addition to currently uncommon FET. It serves as a reference.
The gated oscillator shown here turns on when a “1" Iogic Ievel is applied to the input. The...
Found in Linear Technology documentation, this circuit drains only 70 uA of the monitored circuit....
This good quality audio amplifier with an output of about 10 W with the original transistor was...