This circuit was obtained from an American documentation from 1976. The circuit has a dynamic range of 100 kHz. FETs may be replaced by current equivalents.
We found this circuit in a documentation from the 70s. Semiconductors are from the era and can be...
This modern regenerative receiver was featured in the March 1994 issue of Electronics Now...
We found this circuit in a 1968 Electronics World. The transistors are from the era and...