========================================================================== YAM MODEM v1.10b Nico Palermo - IV3NWV. BILL OF MATERIALS ========================================================================== Part Qty. PartType Designators (YAM v1.10b PCB) -------------------------------------------------------------------------- 1 2 330 Ohm Resistor R16 R22 2 3 470 Ohm Resistor R17 R18 R19 3 8 10 KOhm Resistor R10 R11 R12 R13 R23 R24 R25 R26 4 4 27 KOhm Resistor R14 R15 R28 R29 5 1 33 KOhm Resistor R21 6 2 47 KOhm Resistor R8 R9 7 3 56 KOhm Resistor R6 R7 R20 8 2 82 KOhm Resistor R4 R5 9 3 220 KOhm Resistor R2 R3 R27 10 1 1 MOhm Resistor R1 11 1 100 KOhm Trimmer P1 12 2 33 pF NP0 Cap. C5 C6 13 1 56 pF NP0 Cap. C9 14 1 470 pF Ceramic. Cap. C8 15 1 2.2 nF Ceramic. Cap. C7 16 2 100 nF Ceramic. Cap. C3 C4 17 1 220 nF Ceramic. Cap. C11 18 2 4.7 uF 16Vl Electr.Cap. C2 C10 19 1 22 uF 16Vl Electr.Cap. C1 20 4 1N4148 Diode D1 D2 D3 D4 21 2 5V1 Zener Diode DZ1 DZ2 22 3 TX/PWR/RX LED Diode D5 D6 D7 23 1 DB25CS Female RA Conn. J1 24 1 4PIN Connector J2 25 1 PLCC-84 PLCC-84 PTH Socket 26 1 2.4576MHZ Crystal Reson. Y1 27 1 BC237B NPN Transistor Q1 28 1 CD4050 I.C. U1 29 1 XC5202-6PC84C I.C. U2 30 1 TL064 I.C. U3 ========================================================================== Parts sorted by reference designator ========================================================================== Designator Value ========================================================================== R1 1 M R2 220 K (see table for GMSK) R3 220 K (see table for GMSK) R4 82 K (see table for GMSK) R5 82 K (see table for GMSK) R6 56 K (see table for GMSK) R7 56 K (see table for GMSK) R8 47 K (see table for GMSK) R9 47 K (see table for GMSK) R10 10 K R11 10 K R12 10 K R13 10 K R14 27 K R15 27 K R16 330 R17 470 R18 470 R19 470 R20 56 K R21 33 K R22 330 R23 10 K R24 10 K R25 10 K R26 10 K R27 220 K R28 27 K R29 27 K P1 100 KOhm Trimmer C1 22 uF 16 Vl C2 4.7 uF 16 Vl C3 100 nF C4 100 nF C5 33 pF NP0 C6 33 pF NP0 C7 2.2 nF C8 470 pF C9 56 pF C10 4.7 uF 16 Vl C11 220 nF D1 1N4148 D2 1N4148 D3 1N4148 D4 1N4148 D5 LED Diode D6 LED Diode D7 LED Diode DZ1 5.1 V Zener Diode DZ2 5.1 V Zener Diode Q1 BC237B Y1 2.4576 MHZ Crystal Resonator J1 DB25 Right Angle Female Connector J2 4 Pin SIL Connector U1 CD4050 U2 XC5202-6PC84C U3 TL064 -- PLCC-84 (Pass Trhu Hole 84 Pin Socket) ==================================================== 12 April 1998 Nico Palermo - IV3NWV. 1997,1998. All rights reserved. ====================================================