Operating in the range of 3 to 100 MHz, this circuit was found in documentation from the 70s. Observe the coil. The field effect transistor is a component of the era.
This XR2208 application circuit was found in the April 1978 Radio Electronics magazine. The...
The configuration shown is a flip-flop that can be triggered by means of two push buttons normally...
This random noise or white noise generator was published in Radio Electronics magazine in July...