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.
The bridge diodes of this circuit, found in a 1967 publication, are according to the motor...
This circuit prevents the passage of frequencies in a range starting at 1 kHz and can be adjusted...
Found in a 1964 Electronic Design, this circuit generates 1 A pulses with durations from 100 us to...