This simple bridge circuit can be used for impedance or resistance measurement using a high impedance earphone as an indicator. The circuit is from an American 80's documentation.
This circuit was found in an old 1980s valve documentation. The circuit can directly replace a...
I found this circuit in an ond publication from 1958. The transistors are germanium types but the...
This circuit show the performance of a GraetzBridge or Diode Bridge usedin full-wave rectifers....