When approached by a circuit that operates with RF signals, this circuit captures them by activating the indicator instrument. The circuit operates over a wide frequency range.
This oscillator from a 1970 documentation uses an operational amplifier that is no longer common on...
Found in an Electronic Design from the 90s, this circuit makes use of integrated regulators of the time....
A version of a monostable that uses the 4528, but is triggered by negative transitions of the...