This is a different circuit for a component from the past, the zirconium arc lamp used in projectors. The circuit is from an August 1972 Radio Electronics magazine.
We can use this circuit to connect low impedance microphones and even small speakers used as a...
This circuit was found in an 80's Poptronics. The circuit is a fast trigger whose signal can be...
In this circuit, from a 1977 publication, we have the traditional version of a filter that rejects 1...