This circuit is the power supply for the amplifier in the previous circuit. The transformer is 5 A with a voltage of 45 V, obtaining 70 V after rectification.
Using three gates of t4011 this oscillator produces a rectangular signal with frequency given by...
Found in a 90s Popular Electronics, it serves both TTL and CMOS logic. The injector can provide 10...
This circuit, with the TBA810 circuit, which is no longer common today, was found in a 1985...