一款超声波测距精度较高且用分立器件非芯片方案的原理图

yuankunli · 发表于 2019-4-6 12:38:35

[/free]

Comment	Description	Designator	Footprint	LibRef	Quantity
LM358_NSC	Fast Settling DualOperational Amplifier	A1	SO-8	LM358_NSC	1
7805	3-Terminal PositiveVoltage Regulator	A2	TO220H	7805	1
78L08	3-Terminal PositiveVoltage Regulator	A3	TO92A	78L08	1
78L05	3-Terminal PositiveVoltage Regulator	A4	TO92A	78L05	1
10u/35V	Bi-Polar Capacitor	C1, C2	RB.1/.2	CAP2	2
104	Capacitor	C3, C4, C5, C6, C7,C13, C15	0805	CAP	7
100u/25V	Bi-Polar Capacitor	C8, C9, C10, C11, C12	RB.1/.2	CAP2	5
105	Capacitor	C14	0805	CAP	1
100	Capacitor	C16, C17	0805	CAP	2
103	Capacitor	C18	0805	CAP	1
1n	Capacitor	C19	0805	CAP	1
10u	ElectrolyticCapacitor	C20, C28, C30	1206L	ELECTRO2	3
0.1	Capacitor	C21, C22, C23, C24,C27, C29, C31	0805	Cap	7
10p	Capacitor	C25, C26	0805	Cap	2
IRF107	Diode	D1	1206LN	DIODE	1
FUSE	Fuse	F1	FUSE	FUSE	1
LED		HL1	1206LED	LED	1
LED		HL2	LED	LED	1
RED		HL3	1206LED	LED	1
CON5	Connector	J1	X5-3.81-1	CON5	1
CON3	Connector	J2	SIP3	CON3	1
RELAY-SPDT		K1	DELAY	RELAY-SPDT	1
T512	Seven-SegmentDisplay, Right Hand Decimal	LED1	SEG7x3	DPY_7-SEG_DP	1
4.7K	Resistor, Resistor,Resistor, [NoValue]	R1, R2, R3, R46	0805	RES, RES, RES, RES2	4
1.5K	Resistor	R4, R5	0805	RES	2
10K	Potentiometer	R6	VR	RPOT	1
10K	Resistor, Resistor,Resistor, Resistor, Resistor, Resistor, [NoValue], [NoValue], [NoValue],[NoValue], [NoValue], [NoValue], [NoValue], [NoValue]	R7, R8, R9, R10, R11,R12, R16, R17, R18, R19, R20, R21, R22, R55	0805	RES, RES, RES, RES,RES, RES, RES2, RES2, RES2, RES2, RES2, RES2, RES2, RES2	14
2K	Resistor, [NoValue],[NoValue], [NoValue]	R13, R41, R42, R43	0805	RES, RES2, RES2, RES2	4
1k		R14, R15, R31, R32,R33, R34	0805	RES2	6
100k		R23, R24, R25, R26,R27, R28	0805	RES2	6
5k		R29, R30	0805	RES2	2
10k	Potentiometer	R35	R3386	POT2	1
5.1k		R36, R37	0805	RES2	2
1M		R38, R39	0805	RES2	2
300k		R40	0805	RES2	1
130k		R44	0805	RES2	1
1.2M		R45	0805	RES2	1
470		R47, R48, R49, R50,R51, R52, R53, R54	0805	RES2	8
10		R56	0805	RES2	1
SW-PB		S1	SW	SW-PB	1
PC817	Optoisolator	U1, U2	DIP4	OPTOISO1	2
LM358	Fast Settling DualOperational Amplifier	U3, U4, U5, U6	SO-8	LM358	4
LM393		U7	SO-8	LM193	1
4049	Inverting Hex Buffer/ Converter	U8	SO-16	4049	1
STC12C54XX_QFP		U9	TQFP32	STC12C54XX_QFP	1
SP3232E	+5V Powered,Multi-Channel RS-232 Driver/Receiver	U10	SO-16	MAX232ACPE	1
CMR1-04M		V1	DO-213	1N4148	1
TIP32C	PNP BJT	V2	TO220-TIP32C	TIP32C	1
BD135	NPN BJT	V3	TO126V	BD135	1
BD138	PNP BJT	V4	TO126V	BD138	1
BAS86		V5	1206LN	1N4148	1
5V	Zener Diode	V6	1206LN	ZENER2	1
BC856A	PNP BJT	V7, V8, V9	TO-92A	BC856A	3
BD135		V10	TO-92A	BD135	1
32M	Crystal	X1	XTAL-T	CRYSTAL	1
CON4	Connector	XS1	X4-3.81-1	CON4	1