TK-890/890
(
B
)
SCHEMATIC DIAGRAM
12
7
6
5
4
3
2
1
A
B
C
D
E
C812
0.01u
R2
33
R805
10k
VR1
100k
R803
1k
R806
1.8k
R1
330
R804
1k
R3
33
CN1
R4
330
*
*
*
CN2
C803
0.01u
C804
470p
C802
0.1u
W1
3
2
1
C1
470p
W2
4
3
2
1
CN201
L1
C13
*
C16
*
1
2
3
4
5
+INB
6
-INB
7
oUTB
8
+V
R808
100k
C814
*
R6
120
C20
470p
L2
IC1
*
RF_IN
RF_oUT
DO
+20dBm
CN203
FINAL UNIT (X57-5620-XX) (C/3)
-10 : TK-890/890(B) K -11 : TK-890(B) K2 -12 : TK-890(B) K3
POWER AMP
8T
+B
PROTECT OF REVERSE
CONNECTION
D1
-10
-11
-12
K3
K2
K
GA
TE BIAS
DRAIN BIAS
TK-890/890(B)
TK-890(B)
TK-890(B)
X57-5620-XX(C/3)
C11
10u35
10u35
NO
6p
C13
NO
NO
7p
3p
2p
C16
NO
NO
C41
47u25
C42
0.01u
NO
NO
470p
C814
NO
NO
NO
C822
1u16
NO
RA45H4452M-31
RA45H4452M-31
IC1
RA45H4047M-31
oUTA
-INA
+INA
-V
IC801
OP291GS
DC AMP
C806
0.47u25
2SC4116(Y)
Q801
RIPPLE
FILTER
PROTECT OF VOLTAGE
PC
8T
E
DB
5
1
CN501
+B
E
+B
3
1
C801
2.2u10
D801
02DZ5.6(X,Y)
R801
1.5k
R802
8.2k
8R
1
2
3
4
SURGE ABSORPTION
D2
TX-RX UNIT
X57-5620-XX(A/3)
DO
C5
4700p
C822
C42
C41
C12
4700p
*
C11
C807
0.1u
C805
1000p
D1
DSA3A1-FK
D2
22ZR-10D
C2
330u25
C4
330u25
C6
470p
X57-5620-XX(B/3)
X57-5620-XX(A/3)
CONTR
OL UNIT
TX-RX UNIT
C811
1000p
R807
100k
D802
1SS355
CURRNT
STEERING
13.57V
(12.6V)
0V
(4.27V)
0V
(4.9V)
X57-5620-XX (C/3) 1/2
