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 simulation shows how to test an IGBTs using a signal source and the virtual oscilloscope of...
This is an RF amplification step for small signals using the common base configuration. The...
This low-pass filter with 741 op and symmetrical source was found in the August 1993 issue of...