Ramsey Electronics FM25A Manual do Utilizador descarregar pdf (Página 8)

8

(FM25A Kit continued)

Semiconductors

1 2N3904 NPN transistor [Q1]

2 2SC2498 or 2570 NPN transistor [Q2,Q3]

1 Varactor diode, marked MV2105 [D21]

1 LED [D1]

1 Shielded can inductor [L1]

1 Pre-wound spring style inductors [L2,L3]

Hardware, Misc.

1 6MHz crystal, marked 6.00 [Y1]

1 38 KHz crystal [Y2]

1 78L05 +5 volt voltage regulator [VR1]

1 78L02 +2.6 volt voltage regulator [VR2]

1 7812 +12 volt voltage regulator [VR3]

1 18-pin socket for U3

1 145170 Serial PLL IC [U1]

1 BA1404 Stereo modulator IC [U3]

1 FM-25A printed circuit board

1 RCA-style jacks [J2,J3,J4]

1 DC power jack [J1]

1 Horizontal push-button switch [S1]

1 Whip antenna [ANT1]

1 12 volt DC power transformer

1 Two pin jumper and jumper block [JMP1]

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 28 29

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