Ramsey Electronics BS1 Manual de Instruções descarregar pdf (Página 7)

SG7• 7

PARTS LIST:

LED SPEED READOUT PC BOARD:

CAPACITORS

 1 100pF capacitor (marked 100 or 101) (C16)

 1 2200pF disc capacitor (marked .0022 or 2200 or 222) (C5)

 1 .005µF capacitor (marked .005 or 5000 or 502) (C1)

 2 .001µF capacitors (marked .001 or 102) (C3,C11)

 6 .01µF capacitors (marked .01 or 103 or 10nf) (C4,13,15,17,18,19)

 2 .047 or .05µF capacitors (marked .047 or 473, .05 marked .05 or

503) (C7,C8)

 5 10µF electrolytic (C6,9,10,14,21)

 1 22µF electrolytic (C20 - see text)

 1 33µF electrolytic (C20- see text)

 2 100 or 220µF electrolytic (C2,C12)

RESISTORS

 1 100 ohm [brown-black-brown] (R11)

 3 220 ohm [red-red-brown] (R23,24,27)

 1 3.3K ohms [orange-orange-red] (R12)

 2 4.7K ohms [yellow-violet-red] (R25,R26)

 4 10K ohms [brown-black-orange] (R5,14,17,21)

 2 22K ohms [red-red-orange] (R8,R9)

 7 47K ohms [yellow-violet-orange] (R1,2,3,4,13,18,20)

 5 100K ohms [brown-black-yellow] (R7,15,16,28,19)

 1 1 megohm [brown-black-green] (R6)

 1 2.2K ohms potentiometer (GAIN, R10)

 1 10K ohms potentiometer (CALIBRATION, R22)

SEMICONDUCTORS

 1 2N3904 NPN transistor (Q1)

 1 LM324 Quad op-amp IC (U1)

 1 4093 Quad Schmitt trigger NAND IC (U2)

 1 4011 Quad NAND IC (U3)

 1 4518 Dual BCD decade counter IC (U4)

 2 4511 BCD to 7 segment LED driver IC (U5,U6)

 1 1N4002 1 amp diode (D2)

 1 1N4148 glass bead signal diode (D1)

 2 7-segment LED display (U7,U8)

1 2 3 4 5 6 7 8 9 10 11 12 ... 35 36

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Ramsey Electronics BS1 Manual de Instruções Página 7