This circuit was found in Maxim's documentation from the 90's. The configuration uses components from the time but can be adapted to use modern equivalents.
This circuit for RF signals was found in the March 1987 issue of Radio Electronics magazine. The...
We found this circuit in Texas Instruments' Linear Circuits Applications. It is a low consumption peak...
This medium wave radio must use a high impedance piezoelectric, crystal or magnetic phone and the...