This circuit, which generates a linear sawtooth signal, can be used in a frequency-band oscilloscope. The circuit was found in the December 1992 issue of Radio Electronics magazine.
This one is from an 80's EDN. Transistors can be general purpose types. The frequency is...
This power supply is not protected from shorts in the output. Output voltage is given by the...
This static switch or electronic contactor was found in a 1968 Motorola publication. The triac...