这是一个数字温度计的原理图和PCB!!+pcb

P0R1302
R15
20K
R14
20K
3K
R13
P0D502 P0R1602 P0R1601
R16 GND C
P0R1501
P0R1401
P0R1301
7 P0DS307 a N0A 6 P0DS306 b N0B 4 P0DS304 c N0C 2 P0DS302 d N0D 1 P0DS301 e N0E 9 P0DS309 f N0F 10 P0DS3010 g N0G 5P0DS305 DP
P0DS209 P0DS207 P0DS208 P0DS206
P0DS309 P0DS307 P0DS308 P0DS306
P0DS4010
R1 P0R101 R6P0R601
P0R102 P0R602
DS1
DS2
DS3
DS4
P0DS409 P0DS407 P0DS408 P0DS406
U1
P0R202
1
D4
P0R601
3 P0U103 LT 4 P0U104 BI 5 P0U105 LE
P0D301 P0R1001
VSS
P0C502 P0C501
P0D401
R10 470K GND
8
P0U108
GND
a b c d e f g
13 P0U1012 12 P0U1011 11 P0U1010 10 P0U109 9 P0U1015 15 P0U1014 14
R9
P0R902 P0R901
R13
P0R1302 P0R1301
P0MC1443308
R14 RW2
P0RW203 P0RW201 P0RW202 P0R1402 P0R1401 P0D202 P0D102 P0D301
D2 D4
P0D401
RW1 R15
P0D702 P0D601 P0D602 P0RW101 P0R1502 P0R1501
C2
P0C201
MC14433
P0MC14433013 P0MC14433014 P0MC14433015 P0MC14433016 P0MC14433017 P0MC14433018 P0MC14433019 P0MC14433020 P0MC14433021 P0MC14433022 P0MC14433023 P0MC14433024
P0R1002
U1
GND
24P0MC14433024 VDD
P0R901
R9 510K
P0R902 P0MC14433013
P0R1102
1K
R11
P0R1101
C5 104 13 C4 GND
P0C402 P0C401
MC1413P
1 P0U201 A1 2 P0U202 A2 3 P0U203 A3 4 P0U204 A4 5 P0U205 A5 6 P0U206 A6 7 P0U207 A7 8
2
7 P0DS107 a 6 P0DS106 b N0B 4 P0DS104 c N0C 2 P0DS102 d 1 P0DS101 e 9 P0DS109 f 10 P0DS1010 g 5P0DS105 DP
DS1
GND
3 P0RW203 RW2 D7
P0RW202
1N4148
P0R1202
2
P0D702 P0D601 P0RW201
A A
P0RW102 P0RW103 3 RW1
P0DS203
1
2
3 P0DS208 8
R12
P0R1201
a b c d e f g
20K
D6
P0RW101
1
BG1
P0BG102
1N4148 9013
P0D602 P0BG101 P0BG103
7 6 4 2 1 9 10 5
P0DS207 N0A P0DS206 N0B P0DS204 N0C P0DS202 N0D P0DS201 N0E P0DS209 N0F P0DS2010 N0G P0DS205
P0R702
P0U1011 P0U1010 P0R801 P0U109 P0R802
U2
P0U201 P0U202 P0U204 P0U203 P0U2016 P0U2015 P0U2013 P0U2014
R8
P0DS101 P0DS103 P0DS105 P0DS102 P0DS104 P0DS201 P0DS203 P0DS205 P0DS202 P0DS204 P0DS301 P0DS303 P0DS305 P0DS302 P0DS304 P0DS401 P0DS403 P0DS405 P0DS402 P0DS404
C4
P0C401 P0C402 P0R1002
P0R1101
P0R1102
P0C301 P0C302
R11
C3
P0MC780802 P0MC780801 P0MC780803
R16
P0C202 P0R1601
R10
P0R1001
C5
P0C501 P0C502
C1 D5
P0C101 P0C102 P0D501 P0D502 P0D201 P0D402 P0R1602
P0U208
P0U2016 16 Y1 P0U2015 15 Y2 P0U2014 14 Y3 P0U2013 13 Y4 P0U2012 12 Y5 P0U2011 11 Y6 P0U2010 10 Y7 P0U209
A A
P0DS103
3 P0DS108 8
104
b c
GND
K
9
U2
2 GND
P0D701
a b c d e f g DP
DS2
GND
P0D501
3 Size A4 2011/4/12 H:\KXH\ \ Sheet of .SchDoc Drawn By: 4 Revision Title Date: File: Number D
3
D5
1N4148 4.7K
P0R1502
P0R1402
R3
P0R301
R5
P0R302 P0R501 P0R401 P0R502
P0U205 P0U206 P0U207 P0U208
P0U2012 P0U2011 P0U2010 P0U209
R4
P0R402
MC7808
P0MC1443302 P0MC1443305 P0MC1443303 P0MC1443306 P0MC1443309 P0MC14433012 P0MC1443304 P0MC1443307 P0MC14433010 P0MC14433011
P0MC1443301
D6 D7
P0D701
D1
D3
P0D101 P0D302
P1
P0P102 P0P101
P0RW102 P0RW103
BG1
P0BG101 P0BG102
R12
P0R1202 P0R1201
P0BG103
DS4
GND
A
B
P0U101
Hale Waihona Puke Baidu
P0U1016 P0U1015 P0U1014 P0U1013 P0U1012
P0DS1010
P0DS2010
P0DS3010
P0U108 P0U106 P0U104 P0U107 P0U105 P0U103
P0U102
R2P0R201 R7
P0R701
P0DS109 P0DS107 P0DS108 P0DS106
16
P0D101
P0D201
C2 104
470uF
2200uF
P0C101 P0C102
P0C201 P0C202
P0C302 P0C301
P1
P0P102 P0P101
C3
2 1
P0D302 P0D402 P0R302 N0C P0R402 N0D P0R502 N0E P0R602 N0F P0R701 P0R702 N0G
7P0U107 A 1 P0U101 B 2 P0U102 C 6P0U106 D
MC74HC4511D
N0DP DPa b c d e f g
R8R1R2R3R4R5R6R7 1K 1K1K1K1K1K 1K 1K
1 D3
P0MC14433020 1P0MC1443301 20 VGA Q0 P0MC14433021 2 P0MC1443302 21 VREF Q1 P0MC14433022 3 22 P0MC1443303 VX Q2 P0MC14433023 9 23 P0MC1443309 DU Q3 P0MC14433019 19 10P0MC14433010 DS1 P0MC14433018 CLK1 18 DS2 P0MC14433017 17 12 P0MC14433012 MC14433 DS3 VEE P0MC14433016 16 4P0MC1443304 DS4 R1N 5 P0MC1443305 P0MC14433014 R,C 14 6P0MC1443306 IN EOC C1N P0MC14433015 15 7P0MC1443307 `OR CO1 P0MC14433011 8 P0MC1443308 11 CON2 CLK0
N0DP a b c d e f g DP
A A
P0DS303
3 P0DS308 8
A A
DS3
P0DS403
3 P0DS408 8
4
a b c d e f g
7 P0DS407 a N0A 6 P0DS406 b N0B 4 P0DS404 c N0C 2 P0DS402 d N0D 1 P0DS401 e N0E 9 P0DS409 f N0F 10 P0DS4010 g N0G 5P0DS405 DP
C
B
D GND
P0MC780803
A
1P0MC780801 Vin +8V
P0D102 P0D202
3
2
P0MC780802
MC7808
D1
P0U1016
D2 C1
VDD
P0R801 P0R101 P0R201 P0R301 P0R401 P0R501 P0R102 N0A P0R202 N0B P0R802 P0U1013