The coils of this circuit will determine the transmission frequency of this device. The circuit is from the 1960 Mullard transistor reference manual and makes use of germanium transistors.
Using two of the 4 NAND gates of the integrated 4001, the circuit in the figure activates the...
This traditional 3-channel mixer configuration with FET appears elsewhere on this site. The FET...
This circuit was obtained in an old American manual. The circuit is valid for any operational. The...