Vectronics VEC-841K User Manual

Page 8

VEC-841K Owner's Manual

Tunable SSB/CW Audio Filter Kit

1 2.2K ohm resistor (red-red-red)

R11

6 4.7K ohm resistor (yellow-violet-red)

R5, R6, R7, R8

R18,

R33

! 10 10K ohm resistor (brown-black-orange)

R1, R9, R12, R13

R19, R20, R23

R30, R31, R34

2 24K ohm resistor (red-yellow-orange)

R3, R22

5 100K ohm resistor (brown-black-yellow)

R2, R14, R15

R17,

R21

1 130K ohm resistor (brown-orange-yellow)

1 240K ohm resistor (red-yellow-yellow)

R16

Capacitors:

4 .1uF disc ceramic capacitor (104, 104Z)

C1, C3, C16, C17

3 .01uF disc ceramic capacitor (103, 103Z)

C2, C4, C15

4 1000pF polystyrene capacitors (1000J)

C5, C6, C7, C8

1 100uF electrolytic capacitor

C12

2 470uF electrolytic capacitor

C11, C14

1 10uF electrolytic capacitor (radial leads)

C13

2 10uF electrolytic capacitor (axial leads)

C9, C10

Semi-conductors:

2 TL084 quad operational amplifiers IC

U2, U3

1 LM380 2 watt audio amplifier IC

Miscellaneous:

1 10K ohm horizontal trimpot (10K or 103)

R25

1 500K ohm horizontal trimpot (500K or 504)

R24

2 500K Dual Linear potentiometer

R26, R27

2 2-pole 2-position push button switch

SW1, SW2

1 RCA phono jack

1 1/4" stereo phone jack

1 3.5mm stereo jack

1 2.1mm coaxial DC jack

3 14-pin IC sockets

For U1, U2, U3

2 6" insulated stranded wires

Circuit wiring

1 VEC-841K PC board

1 Instruction

Manual

PARTS PLACEMENT DIAGRAM