Elecraft KPA100 Manual User Manual
Page 9
9
Picture
Ref. Designator(s)
QTY
Description
Part #
R38,R39
2
Resistor, 22 ohms, 5%, 3W
E500128
R22
1
Resistor, 300 ohms, 5%, 2W
E500129
R13
1
Resistor, 100 ohms, 5%, 3W
E500080
R7
1
Resistor, .005 ohms, 1%, 3W (current sensing)
E500079
R6
1
Potentiometer, 1K trimmer ("102"), bias set
E520010
R26,R27
2
Potentiometer, 100K trimmer ("104"), SWR set
E520001
RFC3,RFC11
2
RF Choke, 100 µH (BRN-BLK-BRN), 0.4" LS
E690016
RFC4, RFC5, RFC9
3
RF Choke, 15 µH (BRN-GRN-BLK), 0.4” LS
E690006
RFC6,RFC7,RFC8
3
RF Choke, 100 µH, miniature (BRN-BLK-BRN), 0.2" LS
E680013
RP1
1
Resistor network, 3.9 k, 8 pins (marked part number should include "392")
E510000
SP1
1
Speaker, 4 ohms, 3W
E980007
T1
1
Transformer, small binocular toroid core (gray, approx. 0.5" x 0.75")
E680014
T2
1
Transformer, large binocular toroid core (gray, approx. 1" x 1.2")
E680015
T3
1
Transformer, FT37-61 toroidal core (gray, 0.37" dia.)
E680002
T4
1
Transformer, FT50-43 toroidal core (gray, 0.5" dia.)
E680008
U1
1
IC, PIC16F872 microcontroller, pre-programmed, KPA100
E610011
MISC
1
Socket for U1, 28 pins
E620011
U2
1
IC, octal peripheral driver, TD62083AP (alt: ULN2803)
E600040
U3
1
IC, 5-volt regulator, 78L05
E600029
U4
1
IC, RS-232 driver/receiver, MAX1406CPE (alt: LT1039CN16)
E600036
U5
1
IC, dual op-amp, LM358AN
E600010
U6
1
IC, high-current op-amp w/enable, EL5146CN
E600041
U7
1
IC, dual op-amp, rail-to-rail, LMC6482AIN
E600011
X1
1
Crystal, 18.432 MHz, low profile ("S184ECSL")
E660019
X2
1
Crystal, 4 MHz ("4.00-20")
E660006
Z1
2
Ferrite beads, 0.23" (6 mm) long; two beads on a 1N4007 diode lead)
E980029
HDWR
2
Fuse holder housing, twist-lock (for external 20A fuse)
E980047
HDWR
2
Fuse holder contacts, #12 size
E980048
HDWR
1
Fuse holder spring, for 1.25" long fuse
E980049