Elecraft K1 User Manual
Page 72
Appendix A
K1 RF Board Parts List
PICTURE
Designators
Description
Part Number
QTY
U4
LM380N-8, 8 pin DIP, AF amplifier
E600019
1
U3
LM386N-1, 8 pin DIP, AF amplifier
E600022
1
U9
LT1252, 8 pin DIP, VFO Buffer; TX Buffer
E600020
1
U1, U2, U7, U8
SA602AN, 8 pin DIP, TX Mixer; Prod. Detector
Alt: SA/NE612AN
E600006
4
U6
ZR78L06C, 6-volt reg., 2.5%; TO-92 package, 3 pins
E600017
1
W1
Jumper, RG174 coax, From J9 to J10; see text
0
X1-X6
4.9152MHz Crystal; "
ECS V4.9136" or similar.
Filter/BFO Xtals; Parallel mode, matched, HC-49
E660000
6
S1
DPDT Power Switch
E640006
1
S2
Miniature DPDT slide switch
E640009
1
MISC
2-pin shorting jumper for use at P3 (RF detector select)
E620055
1
MISC
Keycap, rectangular, for S1 (p/n TAC-BLK)
E980023
1
HW
#4, washer, nylon;
Washer, nylon, 0.375" diameter (For VFO inductor)
E700035
2
HW
#4-32, nut, nylon; nut, nylon (For VFO inductor)
E700021
1
HW
4-32,screw, nylon x 1/2"
screw, pan head, nylon (For VFO inductor)
E700022
1
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RF