This damped oscillator that mimics the sound of a gong was found in 90s American documentation. The circuit signal must be applied to an external amplifier.
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...