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.
This steady hand or nerve-rest or steady hand as called in the original English publication uses a...
This oscillator is enabled when a high level is applied to the control input. The operating...
This circuit generates pulses of up to 60 seconds with a short reset time. The circuit is from an...