The purpose of this circuit is to limit noise peaks on a radio receiver. The circuit is from an 80's documentation. The diode is commonly used and the circuit is applied to a receiver IF stage.
This circuit uses a voltage comparator and can produce signals up to 20 MHz. The resistors R are...
This conventional astable uses two NPN transistor and was found in a publication of the year 1968. The...
To power an LED we need a closed circuit for the current flow. We also know that the LED can’t be...