This modulator circuit was found in an American documentation from the 90's. The circuit uses a low power LASER diode. Power is supplied with 12 V.
This circuit uses an MW radio tuned to around 540 kHz to detect atmospheric signals, for example, from...
This circuit is intended to maintain constant current in a heating element. This element must have...
The LMV321 is a low voltage operational amplifier from ON Semiconductor. The following diagram,...