Elecraft K1 - 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
Page 6 RF