Vectronics VEC-131K User Manual
Page 10
VEC-131K Owner's Manual
Aircraft Receiver Kit
8
Fixed Resistors:
"
Qty Part
Description Designation
!
1
22 ohm (red-red-black-gold)
R23
!
1
100 ohm (brown-black-brown-gold)
R11
!
3
470 ohm (yellow-violet-brown-gold)
R2,R3,R8
!
3
1K ohm (brown-black-red-gold)
R9,R13,R21
!
3
2.2K ohm (red-red-red-gold)
R7,R12,R19
!
3
10K ohm (brown-black-orange-gold)
R15,R17,R22
!
3
47K ohm (yellow-violet-orange-gold)
R5,R14,R16
!
3
100K ohm (brown-black-yellow-gold)
R1,R4,R10
!
1
1M ohm (brown-black-green-gold)
R20
Variable Resistors:
"
Qty Part
Description Designation
!
2
10K ohm potentiometer
R6,R18
Diodes:
"
Qty Part
Description Designation
!
1
1N270 Germanium diode
D3
!
1
1N5235B 6.8Vdc Zener diode
D2
!
1
MV2104 varicap tuning diode
D1
Integrated Circuits:
"
Qty Part
Description Designation
!
1
LM358N dual op-amp, AGC amplifier
U3
!
1
LM386N audio amplifier
U4
!
1
MC1350P IF amplifier
U2
!
1
NE602 or SA602 RF mixer
U1
Transistors:
"
Qty Part
Description Designation
!
1
2N3904 NPN IF amplifier
Q2
!
1
2SC2498 NPN, VHF LNA
Q1
Filters:
"
Qty Part
Description Designation
!
1
10.7-MHz ceramic IF filter (SFE10.7)
FL1