Ramsey Electronics FM25B, Assembly And Instruction Manual

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