#第七届立创电赛#简易示波器 - 立创电子设计大赛

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#第七届立创电赛#简易示波器

创建时间：2年前

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<div class="document"> <h1 class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> </h1> <h1 class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;">示波器</h1> <h3 class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> </h3> <hr class="horizontal-splitline normal-bold-2"><p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> </p> <h2 class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;">简易的示波器</h2> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> </p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;">gpl3.0</p> <p><span style="color:#95a5a6;font-size:14px;">。</span></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> </p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> </p> <h3 class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> </h3> <hr class="horizontal-splitline normal-bold-2"><p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"><span style="font-size:16px;"><strong><span style="color:#95a5a6;">信号经电阻分压采样，可调1/2和1/50倍率。钳位将电压控制在正负1.4伏。后经电压跟随器隔离，经运放加偏置电压将信号整体上移1.65伏，以确保信号均为正电压，方便MCU采样。后经放大电路可选择1倍2倍5倍10倍五种倍率。再经RC低通滤波（可不接）到ADC口采样。显示采用I2C输出。</span></strong></span></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> </p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> </p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> </p> </div>

文档

Sheet_1

PCB_#第七届立创电赛#简易示波器

BOM

ID	Name	Designator	Footprint	Quantity
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3	4.7u	C4,C17	C0603	2
4	10p(NC)	C5,C6	C0603	2
5	12p	C7,C8	C0603	2
6	1u	C10,C16,C18,C19,C20	C0603	5
7	L1SS226LT1G	D1,D2	SOT-23-3_L3.0-W1.7-P0.95-LS2.9-BR	2
8	BLM18KG102SN1D	FB1,FB2	L0603	2
9	HDR-M-2.54_1x4	J1,J2	HDR-M-2.54_1X4	2
10	K2-3.6×6.1_SMD	KEY1,KEY2,KEY3,KEY4,KEY5,KEY6,KEY7	KEY-SMD_2P-L6.2-W3.6-LS8.0	7
11	LED-0603_R	LED1	LED0603_RED	1
12	CONN-TH_2P-P5.00	P1	CONN-TH_2P-P5.00	1
13	1k	R1,R7,R8,R17,R18	R0603	5
14	2k	R2	R0603	1
15	10k	R3,R4,R6	R_AXIAL-0.6	3
16	470k	R5	R_AXIAL-0.6	1
17	10M	R9,R10	R0603	2
18	oohm	R11	R0603	1
19	4.7k	R12,R13	R0603	2
20	5k	R15	R0603	1
21	3k	R16	R0603	1
22	SS-12D10L5	SW1	SW-TH_SS-12D10L5	1
23	SS12D07VG6 087	SW2	SW-TH_SS12D07VG4	1
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28	GS8631-TR	U5	TSOT-23-5_L2.9-W1.6-P0.95-LS2.8-TL	1
29	HEF4052BT,653	U8	SOIC-16_L9.9-W3.9-P1.27-LS6.0-BL	1
30	GS8632-SR	U9	SOP-8_L4.9-W3.9-P1.27-LS6.0-BL	1
31	USB-05	USB1	USB-A-TH_48037-0001	1
32	32.768KHz(NC)	X1	OSC-TH_BD2.1-P0.70-D0.3	1
33	12MHz	X2	HC-49US_L11.5-W4.5-P4.88	1
34	GS8632C-SR	U7	SOP-8_L4.9-W3.9-P1.27-LS6.0-BL	1