Found in a 1980s telecommunications documentation, the circuit presented acts as a product detector. The modulator or mixer in the square may be that of the previous circuit.
The purpose of this circuit is to produce a 50 uV harmonic at 1296 MHz from a 0.15 to 1 V input of...
This simple amplifier was found in a Radio Electronics magazine from July 1970. The transistors are...
This triac circuit was found in the July 1995 Electronics Now magazine. The triac is based on the...