Transmitter RF Output LED Indicator Circuit Diagram

Transmitter RF Output LED Indicator Circuit




Transmitter RF Output LED Indicator Circuit Diagram

This RF output detector circuit using a visual indicator can be useful for an RF indicator.

Transmitter RF Output Indicator Circuit Diagram

PARTS LIST
R1 560Ω
C1 330pF
C2 0.1µF
D1 1N34 or 1N60 or ECG-109 or NET-109
D2 LED
Q1 2N3904

This circuit was used for a transmitter ON indicator.

2N3904 NPN Transistor General Purpose Amplifier

2N3904 PIN Configuration

Transmitter output or other RF output is connected to the RF input in this circuit.

Radio frequency LED Output Indicator Circuit Transmitter RF Output LED Indicator Circuit




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4 comments on “Transmitter RF Output LED Indicator Circuit Diagram
  1. Animesh says:

    thanks for sharing…..

  2. Sethsiri Udayanga says:

    what is tha connector in this cct..
    Thanks for sharing

  3. So I want to make a sensor that glows when in range of the transmitter… And to anyone including me this sounds easy…till I want it to be no larger that a 50 cent piece; although it needs to only work within 50 yards or so.
    Please help, I want it for my friends Christmas present.
    Lastly can you please explain what of the two “rf inputs” as suppose to go to.

    Thank you for this post!

  4. mission says:

    thanks for the circuit because it help me a lot

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