Ramsey Electronics FZ-146 Specifications download pdf (Page 64)

FX 146 • 64

FX-146 Transceiver Assembly Phase 1: Circuit stages A through E-F

FX-146 MASTER PARTS LIST

Before beginning assembly, take some time to check and organize these kit

components in such a way that you can find them easily and not lose any or

confuse them. Leave parts supplied on tape strips in the strips until you need

them. The following headings also provide logical sorting categories. Popular

methods for organizing parts include egg cartons, muffin tins, corrugated

cardboard edges, or pressing the leads into a block of styrofoam.

INTEGRATED CIRCUITS

 1 MC13135 24-pin DIP FM Receiver IC (U1)

 1 LM380 14-pin DIP Audio Amplifier IC (U2) [Do NOT use socket]

 1 12017 8-pin DIP divide-by 64/65 Prescaler (U3)

 1 LM324 14-pin DIP Quad Op-amp IC (U4)

 1 LM358 8-pin DIP Dual Op-amp IC (U5)

 1 MC145152 28-pin DIP PLL Synthesizer IC (U6)

 4 74HC283 16-pin high speed 4-bit Binary Adder (U7,U8,U9,U10)

 1 7808 8V voltage regulator [VR1]

 1 7805 5V voltage regulator [VR2]

TRANSISTORS:

 5 NPN transistor, type 2N3904 or equivalent (Q4,6,11,15,17)

 3 PNP transistor, 2N3906-type [marked 228256] (Q12,13,14)

 2 NPN VHF type NE02137 (Q3,10) [flat disc type marked '021']

 4 NPN VHF type 2SC2498 or 2570 (Q2,7,5,16)(Sort these carefully

from the 5 type 2N3904 for Q1, etc.)

 1 RF NPN type 2N3866 (transmit driver, Q9)

 1 RF NPN type MRF237 or SD1127 (transmit final, Q8)

DIODES (Note color code descriptions CAREFULLY!):

 1 LED (D17, transmit indicator)

 100+ 1N914 or 1N4148 switching diode

(D1,4,5,8,9,10,11,12,13,14,15,16,19,22,24,26,plus PLL matrix)

 2 Varactor diode, type BB505 (D3, D23) [orange labeled BB505]

 1 PIN diode, type BA479 (D6)

 2 PIN diode, type BA482 (D2, D7) [orange body, red band]

 1 1N4002 rectifier diode (D18) [largest black body, gold band]

 1 6.2 volt zener diode (D20) [gray body with black band]

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Ramsey Electronics FZ-146 Specifications Page 64