Wednesday, October 3, 2012

FM wireless Transmitter

Frequency: 88-108 MHz





Components
R1
4.7K ohms   1/4W
R2
100k ohms 1/4W
R3
4.7K ohms   1/4W
R4
10K ohms   1/4W
R5
4.7K ohms   1/4W
R6
270 ohms   1/4W
C1
10uf    16v     electrolytic
C2
10uf    16v     electrolytic
C3
1nf  ceramic
C4
3 – 18 pf variable cap.
C5
10pf    ceramic
C6
10pf    ceramic
C7
10pf    ceramic
C8
10pf    ceramic
C9
10pf    ceramic
C10
10pf    ceramic
C11
4pf    ceramic
Q1
2n3904
Q1
2n3904
B1
9v Battery
L1
5turns, 5mm diameter, 22awg magnetic wire
L2
5turns, 5mm diameter, 22awg magnetic wire
Ant
Antenna


It transmits clear signal but for shorter range only.






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