This percussion circuit was found in an Electronics World of 1968. The transistor may be general purpose and the power supplied at 12 V. The signal must be applied to an amplifier.
This basic 100 kHz oscillator is suitable for use in calibration. We found it in documentation from the...
This circuit was obtained from a Linear Technology manual from the 1990s. The components may have...
This circuit was found in a 1967 Electronics World. The circuit uses components of the time that...