Elecraft KIO2 - Manual (Page 24)

24
W. Burdick
E. Swartz
Elecraft
Rev. Sht. Date By
1 of 1
0.1
C15
= On bottom of PC board.
1
2
3
4
5
6
7
8
9
J1
10
1 2
3 4
5 6
7 8
9
J2
To PC
To CTRL Board
OUT
GND
IN
U2
78L05
5V
0.1
C12
T2O
U
T
R2
O
U
T
R1
O
U
T
T1O
U
T
T3O
U
T
R3
O
U
T
R2
IN
T2IN T1IN
R1
IN R3
IN
T3IN GN
D
VCC
VDD VSS
16 12 14 15 13 11 10
2 3
9
1 8 5 4 7 6
U1
L4
L3
L2
L1
C1
C6
ALC
RF
AUX
ALC
8R
AUX
RF
C5
C3
C4
15µH
.001
C7 C13 C2
.01 .01 .001
MAX1406
12V
R1
3.9K
8R
10
1 2
3 4
5 6
7 8
9
J1
To CTRL-P4
10
1 2
3 4
5 6
7 8
9
J2
To KIO2-J2
10
1 2
3 4
5 6
7 8
9
P1
To ATU-J8
ALL PINS OF P1, J1, AND J2 ARE CONNECTED IN PARALLEL
EXCEPT FOR PIN 8, WHICH IS CONNECTED AS SHOWN.
L1
C2 C1 15µH
0.1 .01
C3-C6: .01 µF
12V
X1
G
D
S
Q1
D4
D2
D3
C10
C8
L5
J310
-6 TO -12 V
FT23-43
120
16.289 MHz
/K2 RX
1N4148 10 µF
1N4148
1N4148
+
C14
56
KIO2 Aux I/O Adapter
AUX2 BOARD
L2-L4: 100 µH
/K2 TX
C9
.01
TXD
RXD
GND
OUT IN
G
S
D
12V
12V
D1
1N4148
R2
47
C11
.01
Q1
U2
J1, BACK VIEW
1 2 3 4 5
6 7 8 9
6-13-01 E
A C
D1-D4