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TH-K2AT/K2E/K2ET
SCHEMATIC DIAGRAM
YXWVU
1
2
3
4
5
6
7
-t
C83
0.01u
C84
0.1u
L13
R53 100
R47 5.6k
D8
HSC277
D9
HSC277
IC2
NJM2904V
1
AOUT
A-IN
A+IN
4
GND
5
8
27
36
C109
1000p
C111
1000p
R77
150k
(D)
R76 150k (D)
R74
100k
(D)
R75
100k
(D)
R78 150k
(D)
R79
150k (D)
R80 10k
R81 390k
R82
27k
R83 56k
C110 1000p
R70
0.39
R71
0.39
R72
0.39
R86
5.6k
C136
10p
R91
1k
R46
10k
C128
0.01u
C125
1.5p
C126
10p
R90
330
R45
3.3k
C135 12p
D15
MA8039
C117
1000p
C113
1000p
2SK2596
Q11
C133
0.01u
R102
0
R55 470
C97 12p
(G)
C99 13p
(G)
C101 24p
(G)
C96 12p
(G)
R93 47
R94 330
C159
2p
(B)
C98 8p
(B)
C88
56p
R85 560
R84
100k
C108
100p
D14
MA2S111
D10
XB15A709
C114
1000p
L19
9T
L16
R97
82k
C69 4p
R56 1k
R58
10
R60
56k
C95 12p
(G)
C116
10u4
C115
1000p
2SK3476
Q12
R51 470
C129
11p
C65 18p
C118
1000p
C76
39p
C89
1000p
C93 8p
C100 7p
(B)
R92
3.3k
R54 100
R59
12k
C132
0.01u
Q14
RN4902
D12
HVC131
D13
HVC131
3SK318
Q16
D18
1SV305
D19
1SV305
D20
1SV305
D21
1SV305
R50 33
R49 330
C107
1000p
2SK1830
Q13
C61 1000p
C64
1000p
C67
1000p
C71
1000p
C75
1000p
C74
33p
C78
1000p
C82
1000p
C94
1000p
C162
47p
(G)
C163
1000p
C153
1000p
C147
1000p
C134
1000p
C130
1000p
C131
0.01u
2SC5488
Q9
C91
1000p
R61 220
R62 220
C90
1000p
R98 82k
R96 82k
R95
100k
C141
1000p
L17
18.5n
L20
7T
L21
9T
L10 82n
L11 82n
L54 56n
2SK1830
Q58
C323
1000p
C325
1000p
R41 270
R39 270
R271
12
C326
1000p
C327
0.1u
C328
1u
C329
56p
XF1
L71-0619-05
L41
18n
L40
68n
L38 82n
L35
82n
L32
82n
C148
22p
(G)
C158
22p
(G)
C145
22p
(G)
C160
27p
(G)
C504
2p
(B)
L66
120n
R103
2.7k
R101 47
R104
56
2SK1215(E)
Q17
L12
10n
L15
6.8n
L55
10n
L56
22n
R64
0
C324
1000p
C106
1000p
C105
1000p
C152
1000p
C502
3p
(B)
C501
1.5p
(B)
C500
1.5p
(B)
R290
0
R88
330
C356 0.01u
C357 1u
L18 220n
TH1
10k
L14
47n
L27
680n
C85
56p
C366
100p
C503 100p
C73
1000p
C137
5p
C138
1000p
L29 22n
L28
27n
D73
MA2S111
R52 1k
R111 1.0M
R100
1.0M
R99
1.0M
R110
1.0M
C68
18p
L23
9T
L22
9T
2SC4926YD
Q10
R42 100
2SC4617(R)
Q15
R33
22
R34
3.3k
C66
1u
R341
0
C142
1000p
C112 1000p
C72
0.1u
C70
1u
C92
1000p
D17
HSM88AS
C510
*
R345
0
R346
68
R347
100
R351
220
L26
470n
R291
0
CN10
VDD
APC
DIFFERENTIAL
AMP
DC SW
TEMP
COMPENSATION
TX PATH
1st MIXER
1st IF
38.85MHz
VGG
APC
ANT
KAPC
5T
RF AMP
DRIVE
AMP
DRIVE
AMP
POWER
AMP
APC CIRCUIT
OPERATION SW
APC OUTPUT SW
APC OUTPUT
VOLTAGE LIMITTER
Q12 GATE
VOLTAGE SW
OVER INPUT
PROTECTION
ANTENNA SW
D12,13
ANTENNA SW
RX 1st AMP
Q10 OPERATION SW
VOLTAGE
DROP
RF SW
RF SW
RX BPF TUNING
D18,19
D20,21
RX BPF TUNING
5T
5T
5T
+B
+B
5R
5R
5R
5T
KAPC
VGG
FINAL
TEMP
BPF/APC
REVERSE CURRENT PREVENTION
D14
B+IN
B-IN
BOUT
V+
TH-K2E
TH-K2AT
TH-K2ET
NO
R230
220
220
R257
56k
NO
NO
0
0
R258
680
R259
0
0
680k
R261
47k
NO
NO
NO
R264
0
0
R344
100k
NO
NO
E23-1081-05
NO
E23-1081-05
CN17
TH-K2AT 220 NO 0 0 NO 0 NO NO
TH-K2AT
TH-K2E
TH-K2ET
TH-K2AT
D44
B30-2205-05
B30-2205-05
NO
B30-2205-05
2-72
0-11
2-71
0-21
2-72
0-11
0-21
2-71
X57-674X-XX
X57-674X-XX
E
K,K2
E3
M,M2
E
M,M2
K,K2
E3
NO
B30-2205-05
B30-2205-05
B30-2205-05
D47
D60
NO
NO
NO
MA2S111
D62
MA2S111
MA2S111
MA2S111
NO
MA2S111
NO
NO
MA2S111
D63
NO
Q59
NO
2SK1830
NO
NO
NO
NO
C321
8200p
NO
C320
NO
NO
8200p
NO
0.1u
NO
C350
NO
NO
C510
100p
100p
NO
NO
NO
C511
470p
470p
C512
470p
470p
NO
NO
NO
NO
C514
470p
470p
NO
NO
470p
C515
470p
470p
470p
C516
NO
NO
470p
NO
470p
C517
NO
T:4.23V
R:0V
T:4.85V
R:0V
1.30V
12.46V
12.29V
2.00V
1.40V
4.90V
2.29V
(HIGH POWER)
4.71V
2.68V
2.42V 4.66V
0.27V
Reference voltage value are measured when the power supply voltage is 13.8V(DC IN).
T:0V
R:0V
X57-674 5/5
TX-RX UNIT (X57-674X-XX)(A/3)
Note : The components marked with a
dot (
●) are parts of layer1.