The low-noise amplifier shown uses a rare Raytheon operational amplifier today. The circuit can be implemented with more modern operators and the power source must be symmetrical.
This transmitter, indicated for espionage applications, is permanently powered by the power grid....
The maximum frequency of the oscillator shown in figure 10 is on the order of 5 MHz, depending on the...
This circuit was found in the SGS manual of linear integrated circuits of 1982. The integrated circuit...