IB-1 • 5
IB1 Parts List:
It 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