This is yet another balanced modulator circuit for SSB transmission. This two-diode circuit was found in a 1980s documentation. The diodes are commonly used.
A complete test for opto-couplers can be made using the circuit Bellow. The function generator...
I found this circuit in an article in a 2003 publication. The circuit is an example of how to...
This circuit beeps when the sensor is triggered by the opening of the freezer door or other...