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本设计介绍了bh17无线耳机的制作方案

[
74HC4040
DIP16
IC2



]
[
BH1417
SOJ-22
IC1



]
[
C1
RAD0.2
2200pf



]
[
C2
RAD0.2
150pf



]
[
C3
RAD0.2
2200pf



]
[
C4
RAD0.2
150pf



]
[
C5
RAD0.2
0,1uf



]
[
C6
RAD0.2
1uf



]
[
C7
RAD0.2
0.01uf



]
[
C8
RAD0.2
1000pf



]
[
C9
RAD0.2
33pf



]
[
C10
RAD0.2
33pf



]
[
C11
RAD0.2
62pf



]
[
C12
RAD0.2
330pf



]
[
C13
RAD0.2
0.047uf



]
[
C14
RAD0.2
2000p



]
[
CLCH
RAD0.2
1uf



]
[
COUT
RAD0.2
1000pf



]
[
CRCH
RAD0.2
1uf



]
[
CRYSTAL
XTAL1
7.6MHz



]
[
CVccToGND
RB.2/.4
100uf



]
[
Cosc1
RAD0.2
27pf



]
[
Cosc2
RAD0.2
27pf



]
[
D1
TO-92A
KV1471E



]
[
DCIN
BNC
CK4



]
[
EC1
RB.2/.4
10uf



]
[
EC2
RB.2/.4
10uf



]
[
EC3
RB.2/.4
22uf



]
[
EC4
RB.2/.4
22uf



]
[
EC5
RB.2/.4
100uf



]
[
FD1
DIODE0.4
LED1



]
[
FD2
DIODE0.4
LED2



]
[
FD3
DIODE0.4
LED3



]
[
FD4
DIODE0.4
LED4



]
[
FDBUTTON
7243
SW-PB



]
[
L1
AXIAL0.3
5T



]
[
LIN
BNC
CK1



]
[
POWERON
DIODE0.4
POWERON-LED



]
[
Q1
TO-92A
9018



]
[
Q2
TO-92A
9018



]
[
R1
AXIAL0.4
3.3K



]
[
R2
AXIAL0.4
6.9K



]
[
R3
AXIAL0.4
10K



]
[
R4
AXIAL0.4
3.3K



]
[
R5
AXIAL0.4
3.3K



]
[
R6
AXIAL0.4
2.2K



]
[
R7
AXIAL0.4
3.3K



]
[
R8
AXIAL0.4
RES1



]
[
R9
AXIAL0.4
100



]
[
RFD1
AXIAL0.4
10K



]
[
RFD2
AXIAL0.4
300



]
[
RFD3
AXIAL0.4
300



]
[
RFD4
AXIAL0.4
300



]
[
RFD5
AXIAL0.4
300



]
[
RFOUT
BNC
BNC



]
[
RIN
BNC
CK2



]
[
RLCH
AXIAL0.4
47K



]
[
RNPN
VR5
50K(20K)



]
[
RPOWERON
AXIAL0.4
1K



]
[
RRCH
AXIAL0.4
47K



]
[
VC1
RAD0.2
0.01uf



]
[
VC2
RAD0.2
0.001uf



]
[
VC3
RAD0.2
0.1uf



]
[
VC4
RAD0.2
0.01uf



]
[
VEC1
RB.2/.4
47uf



]
[
VEC2
RB.2/.4
47uf



]
[
VEC3
RB.2/.4
10uf



]
[
VOLTAGEREGULATOR
TO-92A
LM78L05



]
(
GND
C7-1
C8-2
C10-2
C14-2
CVccToGND-2
D1-1
DCIN-2
FDBUTTON-1
L1-2
LIN-2
POWERON-1
Q2-3
R2-1
RFOUT-1
RIN-2
RNPN-1
VC1-2
VC2-2
VC3-2
VC4-2
VEC1-2
VEC2-2
VEC3-2
VOLTAGEREGULATOR-2
)
(
NetC1_1
C1-1
C2-1
C3-2
C4-2
EC2-2
)
(
NetC5_1
C5-1
RFD1-2
)
(
NetC6_2
C6-2
R1-2
)
(
NetC9_2
C9-2
C10-1
C11-1
L1-1
)
(
NetC11_2
C11-2
D1-2
R8-2
)
(
NetC12_2
C12-2
R3-2
R4-2
R8-1
)
(
NetC13_2
C13-2
EC5-1
Q1-2
Q2-2
R5-1
R6-1
)
(
NetCOUT_2
COUT-2
RFOUT-2
)
(
NetCRYSTAL_1
CRYSTAL-1
Cosc2-2
)
(
NetCRYSTAL_2
CRYSTAL-2
Cosc1-2
)
(
NetCosc1_1
C5-2
Cosc1-1
Cosc2-1
EC1-2
)
(
NetDCIN_1
DCIN-1
VC4-1
VEC1-1
VOLTAGEREGULATOR-1
)
(
NetEC4_1
C12-1
EC4-1
R3-1
)
(
NetFD1_1
FD1-1
RFD2-1
)
(
NetFD2_1
FD2-1
RFD3-1
)
(
NetFD3_1
FD3-1
RFD4-1
)
(
NetFD4_1
FD4-1
RFD5-1
)
(
NetFDBUTTON_2
FDBUTTON-2
RFD1-1
)
(
NetLIN_1
LIN-1
RLCH-1
)
(
NetPOWERON_2
POWERON-2
RPOWERON-2
)
(
NetQ1_3
Q1-3
Q2-1
)
(
NetR1_1
EC3-1
R1-1
R2-2
)
(
NetR5_2
C14-1
R4-1
R5-2
)
(
NetR7_1
C9-1
R7-1
)
(
NetR9_2
EC5-2
R9-2
)
(
NetRIN_1
RIN-1
RRCH-1
)
(
NetRLCH_2
CLCH-1
RLCH-2
)
(
NetRNPN_2
C13-1
EC3-2
EC4-2
Q1-1
R9-1
RNPN-2
RNPN-3
)
(
NetRRCH_2
CRCH-1
RRCH-2
)
(
NetVOLTAGEREGULATOR_3
C7-2
C8-1
CVccToGND-1
EC1-1
FD1-2
FD2-2
FD3-2
FD4-2
R6-2
RPOWERON-1
VC1-1
VC2-1
VC3-1
VEC2-1
VEC3-1
VOLTAGEREGULATOR-3
)