Based on a PLL 567, this circuit serves as a receiver for the CB9574E circuit. S tuning is done in R1 and it is used for frequency modulated signals.
The purpose of this circuit is to find two resistors with very close values for critical...
The frequency of TTL square signal is divide by 5 with this circuit. Power supply is 5 V and the...
The purpose of this circuit is to add millivolt scales to a common multimeter. Used transistors are...