This is a well designed basic FM transmitter that you can easily recive the signals transmitted from this transmitter in a 1-2km range with using a normal FM reciever. Another property of this circuit is that the bobin is placed on the printed circuit board. The input sound’s amplitude can be adjusted by using the P1 potentiometer.
Parts List:
R1=220K,R2=4.7K,R3-R4=10K,R5=100ohm,C1,C2 = 4.7uF electrolytic, C3-C4=1nF
C5=2-15pF,C6=3.3pF,Q1=BC547C, Q2=2N2219A, P1=25K, MIC=ecm series
Source:http://www.circuit-projects.com/15-watt-1-2-km-range-fm-transmitter.html
Related Links Circuit
Low cost FM Transmitter
FM Transmitter
Far FM Transmitter
TV Transmitter with BC547
FM Transmitter 4W by 2N3553
FM TRANSMITTER By 2N2222
FM Transmitter with Op-amp LM358
Coil-less FM Transmitter by IC 40106
FM Wireless Microphone
This entry was posted on Thursday, January 31st, 2008 at 11:25 am and is filed under fm transmitter, RF-Radio Frequency.
