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IB-1 • 5
IB1 Parts List:
I
t is a good idea to check off the components in the boxes provided and to
separate them as you go along. This will save hunting for specific components
later.
RESISTORS
❒ 2 470 ohm resistors [yellow-violet -brown] (R8, R9)
❒ 2 1K ohm resistors [brown-black-red] (R1,R4)
❒ 3 10K ohm resistors [brown-black-orange] (R2, R3, R7)
❒ 2 22K ohms resistors [red-red-orange] (R5, R6)
CAPACITORS
❒ 1 .1uF capacitor (C4)
❒ 5 10uF electrolytic capacitors (C1, C2, C3, C5, C6)
SEMICONDUCTORS
❒ 2 2N3904 NPN transistors (Q1, Q2)
❒ 1 7808, 8 volt regulator (U1)(see text)
❒ 1 7812, 12 volt regulator (U1)(see text)
❒ 2 1N4002 diodes (D1,D2)
MISCELLANEOUS PARTS AND HARDWARE
❒ 1 power jack (J1)
❒ 2 RCA jacks (J2, J3)
❒ 1 MC-1A microphone (MK-1)
OPTIONAL
(not provided)
❒ 2 resistors (see chart on page 8)
❒ 1-6 infrared LEDs