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A B C D E




TK-2207 SCHEMATIC DIAGRAM /
1 TX-RX UNIT (X57-6870-20)


R9 0




L6
R10 0




R32
1k
R11 0




1000p
C33
R20
10
R5




100p


100p


100p
C11
C8
C7
100k




20

19
18
17

16
15
14

13
12

11
R
NC5
P

FOUT
NC4

FC
LE
DATA

NC3
CLK
PLL SYSTEM
2.73V
IC1




OSCOUT
L9
MB15A02




OSCIN




GND
VCC
33n




NC1




NC2




470p
FIN
DO




C48
RIPPLE




VP




LD
FILTER C30 C40




150k
R33
4.84V




1

2
3

4

5
6
7

8
9

10
D1 470p 4p
R8 C29 L8 C43 C50
2 MA2S111
C4 0 470p
18n 15p 10p
4.76V




C42
C38

6p



6p
Q2
0.01u
2SC5108(Y)
C6

0.1u
R15 R16 R21 PLL IC F_IN AMP




10u6.3




C19




10u6.3
C13




C21
0.1u



0.1u
C10
220 560 680




R18
0.33u35
C22




470p
R27
0




C44
22
R7




R19

1.5k
VR1 100




1000p
1000p


0.01u
C16
C12


C14
R12-7491-05




L7




C27

3.3u16
X1 4.83V
L77-1931-05 R17



R6

82k
L401 F401 R1 R2 R3 C3 1 4 100
4.72V




1000p
560n



C24
R13




L3
BATT VC VCC




0
1SR154-400




22k 10k 33k 1u
D402




0.7V
1000p
C402



C405

100p




12.8MHz
C401

470p




1000p
6800p
3300p




C5
C1




R4
C2




56k
2 3 L1 R12 C17 R14 C25 C34
BATT GND oUTPUT
4.7u 2.2k 330k 1000p
47p 2p




560n
C26




C35

27p
C18
C15

10p
10p




30p
18p
C9




L5
TXCO
3 REVERSE
PROTECTION Q1
KTC4082
TRIPLER
QTTCXO
PLL_UL
PLL_STB
CN401 PLL_DAT
PLL_CLK
1 B B
5T
2 SB
OSCIN
3 SP1 SP1
4 SP2 SP2
5R
5 GND 5C
6 EN1 EN1
7 EN2 EN2
8 GND

9 EN3 EN3
10 EN4 EN4
4 11 EN5 EN5
R436 R404
0 470k R:3.70V