This transmitter modulator amplifier for the 11-meter band (CB) was published in Radio Electronics magazine in November 1961. The circuit is for use in a car transmitter.
This circuit was found in an American documentation from the 90's. The circuit can use almost any...
This circuit triggers a relay when light strikes a sensor. The sensitivity is adjusted in the...
We found this circuit on the internet, but it has some problems. It will be convenient to limit the...