9V FM Radio Transmitter circuit diagram

electronic circuit diagram

Here the simple and low cost FM transmitter circuit. The frequency range of this FM transmitter should be about 89MHz – 109MHz. Output power is about 9mW at 9V.

R1,R6_____________________12K
R2,R4_____________________100K
R3________________________22K
R5________________________1K
R7________________________100R
Q1________________________BC338
Q2________________________BC548B
Microphone JinIn ECM-60P B1
C1___________________10uF/25V
C2___________________22n
C3___________________10n
C4___________________3n3
C5___________________2p7
C6___________________22p
C7___________________100uF/16V
tuning capacitor_____0-30pF

Download the complete explanation of this FM Transmitter (include circuit diagram, component list, the circuit’s work) in PDF format HERE

Source: kitrus.com

Author: circuit diagram on December 17, 2009
Category: Radio
Tags: aerial,  BC338,  BC548B,  fm transmitter,  radio circuit,  radio transmitter,  rf circuit, 

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2 responses to “9V FM Radio Transmitter”
  1. gideon says:
    December 21, 2009 at 2:06 am

    i am pleased with your articles i am a student in a college please sent me a circuit daigram of fm transmitter of 2km range.

  2. RAHUL says:
    July 24, 2010 at 3:00 am

    iam student in a collegepleas sent me a circuit diogram of fm transmitter of 500m range.

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