This circuit for generating precise reference signals was found in the April 1973 issue of Radio Electronics magazine. The circuit generates 100 kHz signals according to the crystal used.
The LM11 operational amplifier is not common today. The circuit was obtained in the Linear...
Only one LED is turned on when S1 and S2 are pressed. The LED that will be on is just the...
This is one of the first transistorized receivers (2N107) published in the Radio Electronics...