![KT0612 Circuit [PDF]](https://pdfs.asia/img/200x200/kt0612-circuit.jpg)
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1
2
E? ANTENNA/B
3
4
A R5 L4
L12
15N
22N
102P 100P L1 68N
C9 106P
C15 106P
104P
L7 L
R1 47R
L11
C22
18 17 16 15 14 13
68N
LED2 R80 100R
C102 C89
L24 15N
102P 100P L25 68N
106P
L27 22N
Q13 520
C96 100P
C83
C
L21
C97
10N 4P L20 22N C93
104P
106P
C44 10K 470P
C40
C43
8 7 6 5
68N
7P
200P
C46
Q4
C77
106P
106P
R56 1K
Y2
C54
12K C53
VR1
106P
10K
R26
R38 10K
R41 10K
7
RC4558
5
IC4B
R44 270K
104P
10K
R47
6
R24 10K
Q6
C34
C50
106P
106P C38
3
C66 470P
3
50P
RC4558
C39
106P C33
106
104P
106P
R30 47K
D5
1
C45 106P
Q2
R22
1G
510R
R61 10K
R15 47K
R90 10K
C64
106P L26 L22
VCC3V-B
D9 4148
R85 1K
S3 1 2 3 4
8 7 6 5
R81 100K
R84
1K5
R83
1K
R82
Q?
3
10K
1G
BALANCED-B C
Q8
Q7
R68 10K
R46 10K
10K 270K
R64 10K
1G
R54 5
C65
6 RC4558 IC7B R77
20K
C73
50P
7 106
C55
R63 1K
J4 CH-A
47K
106P
3 2 1 R74 47K
1G
Q10
BALANCED-A
1G D
1G R66 1K
Title
R65 10K
Size
0R AF/A
2
R53
C64 104P
C75
R73
R57
106P
Q3
47K
R62 10K
106P
C56
C62 104P R70
R59 1K
R16
IN4148 D8
VR2 10K
12K
C59
1 IC7A
106P
10K
JK3 CH-B
3 2 1
C68 106
3 RC4558
1K 106P
200P
R18 10K
106P
50P
R67 C61
7
20K
C31
1K
IC5A
2
IC6B
R60
IN4148
R17 10K
R51 10K
R?
R50
R86 0R
C89 104P
C57
10K
C67 470P
C72
MIC JK2
106P
20K 104P
RC4558
4148
106P
2 1
RC4558
IC4A
R58 C63
5
C103
8 7 6 5 A0 VCC A1 WP A2 SCL VSS SDA 1 2 3 4
510R
D7
B 1K
R21 10K
1G
LED1
200P
6
VCC3V-B
连接点
IC11
R71 C74
106P R72
G-RFA
24C02
C91 106P
10K R59
106P
R911K
106P
R37 10K
C42
R42
7 RC4558 IC5B R19 1K
10K
R55 10K
C60
L
C104
106P
C69
10K
6 5
R20
R?
L19
C100
R75 100K C70
1G
R40 20K R39
10K
106P
C92 104P
AC
50P
R25 10K
VCC3V-B C106
24MHz 1 2 3 4 5 6
4001
Q5
2
R92 1K 0R R37
1
20K
C41 10K
1G
AVDD XI RFVDD XO RFVSS AVDD IC10 RF_INN KT0612AOUT_P RF_INP AOUT_N RFVSS CH
LED4
106P
R35
10K
AF/B
VCC3V-B
C99
R45
470P R34
510R
C78
C52
IC6A
C29 106P
C90 33P
D4
R69 10K
106P
50P
106P
C28 106P
12 11 10 9 8 7
18 17 16 15 14 13
C51
2
R11 10K
C82 33P
106P
C76
106P
C49 C23 104P
4001
Q11 2F
1G
R78 10K
1
RC4558
L16 1N5
104P 104P
C26 R25 106P 2K2
R-POWER
3
L15 L
C84 104P
L18 68N
D
C37 510R 106P
106P R29
L23 L22 C86
Q12
3
Vin
C58 106P
104P
200P R33
R28
L
VCC3V-A
R12 1K
D3
J1 DC
C35
L17 L
C85 106P
100P
L30 4N7
C94 106P
R79 47R
C101
C13
C47
R32 20K
C48
D6 4148
IC2 VCC3V-B 24C02
C87 106P
C105 3P
C14
4001
C1
SW-SPST
LED3
连接点
C32
104P
1 2 3 4 5 6
19 20 21 22 23 24
100K
R13 1K
G-RFB
Vout
106P
L8
VREF AVSS INDN INDP AVSS AVSS
R88
L28
3P C109
R87 47R C86 100P
2
24MHz
CN DVSS DVDD SCL SDA MUTE
L29
50P C107
0R R31 C87
C28 104P
K1
1
Vin
R76 33K
C30
12 11 10 9 8 7
VCC3V-A C88
33
Vout
4001
D2
C79 1000U/35V
A
106P
AVDD XI RFVDD XO IC1 RFVSS KT0613 AVDD RF_INN AOUT_P RF_INP AOUT_N RFVSS CH
VCC/9V
FL2 800B
0R
7809 3
106P
Y1
CN DVSS DVDD SCL SDA MUTE
68N
7P
106P
R6
3 C80
Vin
IC3 AMS1117/3.3
VCC3V-B
VCC3V-A
19 20 21 22 23 24 104P
E? ANTENNA/A
C12
33P
C4 106P
VREF AVSS INDN INDP AVSS AVSS
520
L10 L13 C7
50P C108
1K
C27
A0 VCC A1 WP A2 SCL VSS SDA
Q?
100P
10N 4P L10 22N
B
R7
C81 106P
C13
C2 C16
L2 4N7
L9
1K5
8 7 6 5
L3 1N5
C10 3P C5 106P C6 104P
C19
R8
Vout
GND
1 2 3 4
104P
2
1 2 3 4
100K C17 C18
1K
C79 220U/35V
2
VCC3V-A R4 47R C2 100P
R10
S2
GND
L6
L5
D1
1
C21
FL1 800B
0R
VCC-9V
IC9 AMS1117/3.3
VCC3V-A
R9
R7100K
1
50P C4
C11 3P
6
VCC3V-A R14 100R
GND
C24 106P
50P C3
5
VCC/9V
Number
Revision
B
LED5
Date: File: 4
5
2015-5-26 D:\Client98\..\BM-908B.Sch
Sheet of Drawn By: 6
1
2
3
4
6
5
Q3 SI2305
C37 106P C39 C26 106P
L7 1uH
R19 47R
C24 106P
D
C21 106P
L6
R28 1K R29 1K C42 104P
R26 1K
K1 1 2 3 4
C12 33P
R24 1K R23
8 7 6 5
MICROPHONE2 MK?
1K5
SW-DIP4 R21
C11 102P
R22
L2
1K
1uH
0R
R12 47K
R13
C18 104P
C15 106P
106P C17 104P C10
C14 100P
1K
L1
C
1 2 3 4 5 6
24 23 22 21 20 19
XI XO VREF MICIN VCM BAT
VREF AVDD IC3 AVSS KT0603Q OUT_N OUT_P AVSS
1uH
R14 1K
C13 104P
R11 10K IC2 24C02
1 8 A0 VCC 2 7 A1 WP 3 6 A2 SCL 4 5 VSS SDA
R10 C6 10K 104P
104P C7
R6 1K
18 17 16 15 14 13
E?
C36
100P
3P
ANTENNA L15
L13
L12
100P
10N
10N
C38 100P
C35 5P
L14
C34 5P
C33 3P
C41 100P L17 0.68UH L16 0.68UH
10N
R18 1K
100P
C
C31 3P R16 22K
R17 L5
C28
C27
C22 106P
R15 1K C9 104P
C30 106PP
L11 47N
AVDD AVSS AVSS INDP INDN AVSS
R27 1K
C29 100P
C25 104P
7 8 9 10 11 12
100K
C20 104P Y1 24MHz
D L8 68N
C23 106P
CH SDA/LED SCL DVDD CHIP_EN MUTE
R25 0R
R30
C32 L9 106P 1uH D1 5819 L10 68N
1N5 C16 33P
106P R25 270K
10K
1uH C19 106P
LED1 LED-R
SW1 B
B
L3 A1
1 100uH
VOUT
R9 1M C8 106P
C4 100U/16V
C5 106P
C3 106P
3
SW
5
VIN
6
Q2 SI2305
106P C2
IC1 AP2000 FB
GND
L4
SHDN
4
R5 1K
C40 106P
R4 47K Q1 1G
R7 100K
BT? BATTERY
R1 1K
2
R8 620K
R2
R3
10K
150K C1 106P
A
A Title Size
Number
Revision
B Date: File: 1
2
3
4
5
9-Apr-2015 D:\Client98\..\MIC18B-KT-U.Sch
Sheet of Drawn By: 6
