A simple indicator of the level of the signal on AN6884
A simple signal strength indicator is presented below:
The circuit operates over a wide supply voltage range from 3 to 18 volts. The only thing you have to keep in mind the resistance of the resistor R3. A resistor R1, as you might guess adjusts the input signal level.
You can download the drawing Board for this operation [attachment=6]. The fee is calculated on two channels at once. View details - you can immediately print