电子血压计原理图

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Y132.768C1

15P R11.3K

S1ON/OFF T1Valve

A

-

+T2motor

C13100uF/10V

C215P

R2200K

R339K

V40

R4200K

R510K

V40

C3

104

C4104

R6200K

R7200K

R8

200K R910K

R10300K

R115.1K V40

VCC

C14

100uF/10V

C15100uF/10V

V 30

C16

10uF/10V

S2

Memory

R121K

R131K

R1447K

R1547K VCC

VCC

T3

BUZZER

D1D2

R166.8K R176.8K

L1

47uH

C17100uF/10V

V40

12JP1POWER

Vin

Vin

Vin

C51041234567891011121314151617181920212223242526272829303132333435

36JP2

LCD C O M 1C O M 2C O M 3C O M 4S E G 1S E G 2S E G 3S E G 4S E G 5S E G 6S E G 7S E G 8S E G 9S E G 10SEG12SEG13SEG14SEG15SEG16SEG17SEG18SEG19SEG20SEG21SEG22SEG23SEG24SEG25SEG26SEG27S E G 28S E G 29S E G 30S E G 31S E G 32

COM1COM2COM3COM4C61000p

C7104R182M

V 30

PWM0PWM1

CE

1Vout

2NC 3VSS 4

Lx 5

U1DC/DC

VCC

SEG1SEG2SEG3SEG4SEG5SEG6SEG7SEG8SEG9SEG10SEG11SEG12SEG13SEG14SEG15SEG16SEG17SEG18SEG19SEG20SEG21SEG22SEG23SEG24SEG25SEG26SEG27SEG28SEG29SEG30SEG31SEG321

-OUT

+OUT 3

-I N

5

+I N

2

U2

MPS-2200

Q1S8050

Q2S8050

D34148

D44148

D5

5819D65817

C8104R190

AVDD

17

OP3+18OP2_O 19OP2-20OP2+21PGA_O 22PGABIAS 23PGA -24PGA+25OP1+26OP1 -27OP1_O 28GND 29OSCO 30OSCI 31RESET 32S E G 28/P 0.31S E G 29/P 0.42S E G 30/P 0.53S E G 31/I N T 21/P 0.64S E G 32/I N T 22/P 0.75R X D /I N T 23/P 2.06T X D /I N T 24/P 2.17I N T 0/P 2.28I N T 1/P 2.39B U Z /I N T 25/P 2.410T 0/P W M 0/P 2.611T 1/P W M 1/P 2.712A N 4/P 1.113A N 3/I N T 20/P 1.014V 3015V I N

16

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V D D 34C O M 135C O M 236C O M 337C O M 438S E G 1/C O M 539S E G 2/C O M 640S E G 341S E G 442S E G 543S E G 644S E G 745S E G 846S E G 947S E G 1048SEG1249SEG1350SEG1451SEG1552SEG1653SEG1754SEG1855SEG1956SEG20

57SEG21/TDO 58SEG22/TMS 59SEG23/TDI 60SEG24/TCK 61P0.0/SEG2562P0.1/SEG2663P0.2/SEG2764

U3

SH79F164C9

105

R2010K

C10105

C11104

R21200K

R221.5K R23300K

R24

200K V40

C12104

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JP3JTAG

SEG24SEG23SEG22SEG21

VIN

V1

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