This amplifier is from a 1990s Linear Technology component manual. The circuit requires symmetrical power supplies.
This VFO (Variable Frequency Oscillator ) has the output frequency controlled by a potentiometer....
TQP92xx series power amplifiers for frequencies in the typical range of 1,805 -2,200 MHz can be...
This circuit, found in US documentation, can measure the power of transmitters up to 10 W, given...