The figure shows a remote-control receiver working the 27 MHz band, very popular in the 60’s. The circuit us from a February 1961 Radio Electronics magazine.
The 50 kHz signal generated by this circuit is applied to a low impedance inductive transducer. A...
This circuit can also use other series operational amplifiers such as MC33172, MC33174, MC35171,...
This circuit was found in an Analog Devices publication from the 1990s. The circuit performs input...