This amplifier, whose mounting on a printed circuit board was described in Radio Electronics of October 1960, has 35 W of power. The power supply uses a transformer and a set of 5 tubes.
This TTL circuit with the 7493 makes the binary count of the pulses sent by a flip-flop with the...
This circuit has an accuracy of 1%. The components used must be precision as well. The input...
In the figure we have a circuit that fires from a positive pulse of short duration applied to its...