Ramsey Electronics FM25B Assembly And Instruction Manual page 10

Synthesized fm stereo transmitter
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PARTS SUPPLIED WITH FM25B: Note the extra chip capacitors included.
Capacitors
7
.001 µF disc capacitors (marked .001, 102 or 1nF)
[C13,14,18,31,33,35,36]
3
.01 µF disc capacitors (marked .01 or 103 or 10 nF) [C2,5,26]
3
.1 µF disc capacitors (marked .1 or 104 or 100 nF) [C7,21,23]
1
.047 uF ceramic capacitor (marked .047 or 473) [C6]
2
10 pF disc capacitors (marked 10 or 10K) [C11,15]
2
33 pF disc capacitors (marked 33 or 33K) [C9,12]
2
47 pF disc capacitors (marked 47) [C34,38]
1
75 pF disc capacitor (marked 75 or 75K) [C37]
2
100 pF disc capacitors (marked 100 or 101) [C39,40]
2
150 pF disc capacitors (marked 150 or 151) [C22,25]
2
2200 pF disc capacitors (marked 222 or .0022) [C24*27*] see text
2
3300 pF disc capacitors (marked 332 or 0.0033) [C24*,27*] see text
6
10 µF electrolytic capacitors [C1,10,20,28,29,30]
1
47 uF electrolytic capacitor [C8]
2
100 µF electrolytic capacitor [C3,4]
1
1000 µF electrolytic capacitor [C32]
4
.1 uF SMT capacitors [C16,17] Preinstalled!
Resistors
1
10 ohm (brown-black-black) [R1]
1
100 ohms (brown-black-brown) [R17]
1
120 ohms, larger, 1 watt (brown-red-brown) [R26]
1
270 ohms (red-violet-brown) [R15]
2
470 ohms (yellow-violet-brown) [R3,4]
2
4.7k ohms (yellow-violet-red) [R9,16]
8
10k ohms (brown-black-orange) [R7,8,10,11,12,14,19,22]
2
22k ohms (red-red-orange) [R5,18]
1
47k ohms (yellow-violet-orange) [R24]
3
100k ohms (brown-black-yellow) [R2,13,20]
1
220k ohms (red-red-yellow) [R23]
1
470k ohms (yellow-violet-yellow) [R21]
1
1M ohms (brown-black-green) [R6]
1
1k ohm trimmer potentiometer [R25]
2
10k ohm trimmer potentiometers [R27,28]
Semiconductors
3
2N3904 NPN transistors [Q1,2,3]
13 1N4148 diodes (small glass diodes) [D2, D3 - 6, D9 - 16]
1
1N4000 series diode (can be any number from 1N4002 to 1N4007
(black with white band) [D17]
2
Varactor diodes (transistor shape, two leads, marked MV2105)[D7,8]
1
LED [D1]
FM25B • 10

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