This circuit found in an American documentation from 1964, alters the duration of a pulse and can operate at frequencies up to 10 MHz. The transistors are from that time.
This traditional circuit generates a 200 Hz sinusoidal signal. The frequency depends on the...
This circuit supplies a continuous voltage at its output, which is the peak value of the...
This circuit is suggested by National Semiconductor and has an excellent gain, for a photodiode as a...