This is the circuit of a MW commercial radio obtained in a 1967 publication. The transistors are made of germanium and are powered by 4 common batteries.
Circuits similar to this appear elsewhere in this section. The transistors can be BC549 (low...
September 2017 - Vishay Siliconix SQ MOSFETs for automotive use are in stock for immediate...
In this circuit we show how to modulate the pulses produced by a 555 in frequency. The circuit can be...