Thursday, April 11, 2013

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3 W FM TRANSMITTER








3 W FM TRANSMITTER
Part
R1,R4,R14,R15 - 4 - 10K 1/4W Resistor
R2,R3 - 2 - 22K 1/4W Resistor
R5,R13 - 2 - 3.9K 1/4W Resistor
R6,R11 - 2 - 680 Ohm 1/4W Resistor
R7 - 1 - 150 Ohm 1/4W Resistor
R8,R12 - 2 - 100 Ohm 1/4W Resistor
R9 - 1 - 68 Ohm 1/4W Resistor
R10 - 1 - 6.8K 1/4W Resistor
C1 - 1 - 4.7pF Ceramic Disc Capacitor
C2,C3,C4,C5,C7,C11,C12 - 7 - 100nF Ceramic Disc Capacitor
C6,C9,C10 - 3 - 10nF Ceramic Disc Capacitor
C8,C14 - 2- 60pF Trimmer Capacitor
C13 - 1 - 82pF Ceramic Disc Capacitor
C15 - 1- 27pF Ceramic Disc Capacitor
C16 - 1- 22pF Ceramic Disc Capacitor
C17 - 1 - 10uF 25V Electrolytic Capacitor
C18 - 1 - 33pF Ceramic Disc Capacitor
C19 - 1 - 18pF Ceramic Disc Capacitor
C20 - 1 - 12pF Ceramic Disc Capacitor
C21,C22,C23,C24 - 4 - 40pF Trimmer Capacitor
C25 - 1 - 5pF Ceramic Disc Capacitor
L1 - 1 - 5 WDG, Dia 6 mm, 1 mm CuAg, Space 1 mm
L2,L3,L5,L7,L9 - 5 - 6-hole Ferroxcube Wide band HF Choke (5 WDG)
L4,L6,L8 - 3 - 1.5 WDG, Dia 6 mm, 1 mm CuAg, Space 1 mm
L10 - 1 - 8 WDG, Dia 5 mm, 1 mm CuAg, Space 1 mm
D1 - 1 - BB405 BB102 or equal (most varicaps with C = 2-20 pF [approx.] will do)
Q1 - 1 - 2N3866
Q2,Q4 - 2 - 2N2219A
Q3 - 1 - BF115
Q5 - 1 - 2N3553
U1 - 1 - 7810 Regulator
MIC -1- Electret Microphone
MISC - 1 - PC Board, Wire For Antenna, Heatsinks