Component list of the 3 - 3.5 W FM transmitter (Type 1)

Resistors:

(All resistors are 1/4 W carbon or metalfilm types)

R1 :  10k    R6 : 680E     R11: 680E
R2 :  22k    R7 : 150E     R12: 100E
R3 :  22k    R8 : 100E     R13: 3.9k
R4 :  10k    R9 :  68E     R14:  10k
R5 : 3.9k    R10: 6.8k     R15:  10k

Capacitors:

C1 : 4.7 pF ceramic     C11: 100 nF ceramic      C21: 40 pF trimmer
C2 : 100 nF ceramic     C12: 100 nF ceramic      C22: 40 pF trimmer
C3 : 100 nF ceramic     C13:  82 pF ceramic      C23: 40 pF trimmer
C4 : 100 nF ceramic     C14:  60 pF trimmer      C24: 40 pF trimmer
C5 : 100 nF ceramic     C15:  27 pF ceramic      C25:  5 pF ceramic
C6 :  10 nF ceramic     C16:  22 pF ceramic
C7 : 100 nF ceramic     C17:  10 uF/25V
C8 :  60 pF trimmer     C18:  33 pF ceramic
C9 :  10 nF ceramic     C19:  18 pF ceramic
C10:  10 nF ceramic     C20:  12 pF ceramic

Inductors:

L1 : 5 wdg, dia 6 mm, 1 mm CuAg, space 1 mm
L2 : 6-hole ferroxcube wideband HF-choke (5 wdg)
L3 : 6-hole ferroxcube wideband HF-choke (5 wdg)
L4 : 1.5 wdg, dia 6 mm, 1 mm CuAg, space 1 mm
L5 : 6-hole ferroxcube wideband HF-choke (5 wdg)
L6 : 1.5 wdg, dia 6 mm, 1 mm CuAg, space 1 mm
L7 : 6-hole ferroxcube wideband HF-choke (5 wdg)
L8 : 1.5 wdg, dia 6 mm, 1 mm CuAg, space 1 mm
L9 : 6-hole ferroxcube wideband HF-choke (5 wdg)
L10: 8 wdg, dia 5 mm, 1 mm CuAg, space 1 mm

Transistors:

Q1 : 2N3866
Q2 : 2N2219A
Q3 : BF115
Q4 : 2N2219A
Q5 : 2N3553

Others:

D1 : BB405, BB102 or equal (most varicaps with C = 2-20 pF (approx) will do)

U1 : uA78L08, uA7809, uA7810 or equal (MC78LXX, UC78LXX etc)

For more information see additional info text

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