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.
With this circuit it is possible to receive the signals from the 11-meter band (27 MHz) in a...
This shield circuit for PC was found in an English documentation from 1996. The current of the...
The circuit is quite simple, but its choice is due to the suggested application, which shows that...