\u6a21\u5757\u6307\u6807\uff1a<\/strong><\/h2>\n\n\n\nADC\u82af\u7247\uff1a 3PA1030
\u8f6c\u6362\u901f\u7387\uff1a 50MSPS
\u6570\u636e\u4f4d\u5bbd\uff1a 10\u4f4d
\u529f\u80fd\u63a5\u53e3\uff1a SMA X2
\u6d4b\u91cf\u8303\u56f4\uff1a -5V \u5230 +5V (\u8303\u56f4\u8bef\u5dee5V + \u2013 0.2V)<\/p>\n\n\n\n
\u6a21\u5757\u6240\u8bbe\u8ba1\u7684\u7535\u8def 3PA1030\u662f\u5de5\u4f5c\u5728CENTER SPAN<\/strong> \u5de5\u4f5c\u6a21\u5f0f\u4e0b\uff0c\u4e2d\u5fc3\u7535\u538b\u5bf9\u5e941V\uff0c\u8f93\u5165\u548cADC\u7684\u5bf9\u5e94\u5173\u7cfb\u662f\uff1a<\/p>\n\n\n\n\n- VI=+5V, ADC\u7684\u503c\u662f 1023<\/li>\n\n\n\n
- VI= 0V, ADC\u7684\u503c\u662f 512<\/li>\n\n\n\n
- VI=-5V, ADC\u7684\u503c\u662f 0<\/li>\n\n\n\n
- \u5373\u6362\u7b97\u5173\u7cfb\u662f \u7535\u538b V =(10 x ADC \/ 1023) \u2013 5<\/strong><\/li>\n<\/ul>\n\n\n\n
\u4e00 . \u521b\u5efaVivado\u5de5\u7a0b<\/strong><\/h2>\n\n\n\n1\uff09\u6253\u5f00Vivado \u65b0\u5efa\u4e00\u4e2a\u9879\u76ee\uff0c \u65b0\u5efa\u4e00\u4e2aVIVADO \u5de5\u7a0b\uff0c\u6253\u5f00\u8f6f\u4ef6 \u9009\u4e2dCreate Project, \u5982\u4e0b\u56fe\u6240\u793a<\/p>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2021\/07\/Create-Project.png\")
<\/figure>\n\n\n\n2\uff09\u70b9\u51fbNEXT \uff0c\u5728\u51fa\u73b0\u7684\u7b2c\u4e8c\u4e2a\u5bf9\u8bdd\u6846\u201cProject name\u201d\u4e2d\u8f93\u5165\u5de5\u7a0b\u540d\uff1b\u5728\u201cProject location\u201d\u4e2d\u9009\u62e9\u4fdd\u5b58\u8def\u5f84\uff1b\u52fe\u9009\u201cCreate project subdirectory\u201d\uff08\u9ed8\u8ba4\uff09\uff0c\u6700\u540e\u70b9\u51fb\u201cNext\u201d \u5907\u6ce8\uff0c\u6240\u6709\u7684\u8def\u5f84\u5747\u4e0d\u80fd\u51fa\u73b0\u4e2d\u6587\u540d\u79f0<\/strong><\/p>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2025\/11\/image-17.png\")
<\/figure>\n\n\n\n3)\u70b9\u51fb RTL PROJECT \u9009\u9879\uff0c\u70b9\u51fbNEXT<\/p>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2021\/07\/image.png\")
<\/figure>\n\n\n\n4\uff09 \u7b2c\u56db\u6b65Add Sources \u9009\u9879\u76f4\u63a5\u7559\u7a7a\uff0cNEXT<\/p>\n\n\n\n
5\uff09\u7b2c\u4e94\u6b65Add Constraints \u9009\u9879\u76f4\u63a5\u7559\u7a7a\uff0cNEXT<\/p>\n\n\n\n
6\uff09\u9009\u62e9\u82af\u7247\u578b\u53f7 \u677f\u5b50\u7684\u82af\u7247\u578b\u53f7\u4e3a XC7A50T \u5c01\u88c5\u662fFGG484 \u6240\u4ee5\u578b\u53f7\u6211\u4eec\u9009\u62e9 XC7A50TFGG484-2 <\/p>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2025\/11\/image-3-1024x609.png\")
<\/figure>\n\n\n\n7\uff09\u786e\u8ba4\u6240\u9009\u4fe1\u606f \u70b9\u51fb\u201cFinish\u201d\uff0c\u5b8c\u6210vivado\u7684\u5de5\u7a0b\u521b\u5efa<\/p>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2025\/11\/image-6-1024x822.png\")
<\/figure>\n\n\n\n<\/p>\n\n\n\n
\u4e4b\u540e \u5de5\u7a0b\u5c31\u65b0\u5efa\u597d\u4e86\uff0c vivado \u8fdb\u5165\u5230\u5f00\u53d1\u754c\u9762<\/p>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2022\/11\/image-172-1024x738.png\")
<\/figure>\n\n\n\n\u4e8c\u3001\u6dfb\u52a0\u4e00\u4e2aILA\u6d4b\u8bd5\u6a21\u5757<\/strong><\/h2>\n\n\n\n\u8fd9\u91cc\u6211\u4eec\u8ba1\u5212\u6dfb\u52a0\u4e00\u4e2aILA\u6765\u89c2\u5bdfADC\u91c7\u96c6\u7684\u7ed3\u679c<\/p>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2023\/07\/image-17-1024x470.png\")
<\/figure>\n\n\n\n\u9009\u62e9 Native \u63a5\u53e3\uff0c \u63a2\u9488\u6570\u91cf\u4e3a4 \u6df1\u5ea6\u53ef\u4ee5\u6839\u636e\u81ea\u5df1\u7684\u9700\u6c42\u9009\u62e9 \uff0c\u8fd9\u91cc\u75288192<\/p>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2024\/06\/image-24.png\")
<\/figure>\n\n\n\n\u56e0\u4e3aADC \u662f10bit\u7684\uff0c\u6240\u4ee5\u8fd9\u91cc\u6211\u4eec \u4f4d\u5bbd\u9009\u62e910\uff0c\u53e6\u5916\u4e00\u4e2a\u901a\u9053\u4f4d\u5bbd\u8bbe\u4e3a1\uff0c\u7528\u6765\u89c2\u5bdfOVR \uff08\u8303\u56f4\u8d85\u51fa\u4fe1\u53f7\uff09 \uff0c\u56e0\u4e3a\u677f\u5b50\u4e0a\u6709\u4e24\u8defADC\u82af\u7247\uff0c\u6240\u4ee5\u8fd9\u91cc\u6211\u4eec\u8bbe\u7f6e\u4e24\u7ec4\u8fd9\u6837\u7684\u63a2\u9488\u3002\u5e76\u9009\u62e9OK\u8fdb\u884c\u4fdd\u5b58<\/p>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2024\/06\/image-25-1024x343.png\")
<\/figure>\n\n\n\n\u4e09\u3001\u589e\u52a0\u65f6\u949f\u6a21\u5757\u6765\u751f\u621050Mhz \u65f6\u949f<\/strong><\/h2>\n\n\n\n\uff08\u5907\u6ce8\uff0c\u5176\u5b9e\u6211\u4eecSmart Zynq PL\u7aef\u8f93\u5165\u7684\u65f6\u949f\u5c31\u662f50M\u7684\uff0c\u800c\u6211\u4eec\u8fd9\u91cc\u6240\u7528\u7684ADC\u6a21\u5757\u91c7\u6837\u9891\u7387\u4e5f\u662f50M\uff0c\u6240\u4ee5\u8fd9\u91cc\u4e5f\u5b8c\u5168\u53ef\u4ee5\u4e0d\u589e\u52a0\u5185\u90e8\u65f6\u949fPLL\u6a21\u5757\uff0c\u4f46\u662f\u4e3a\u4e86\u8ba9\u8fd9\u4e2a\u5de5\u7a0b\u4ee5\u540e\u53ef\u4ee5\u9002\u914d\u66f4\u591a\u9891\u7387\u7684ADC\u6a21\u5757\uff0c\u6240\u4ee5\u8fd9\u91cc\u8fd8\u662f\u589e\u52a0\u4e86\u5185\u90e8\u65f6\u949f\u6a21\u5757\u6765\u65b9\u4fbf\u4ee5\u540e\u7684\u62d3\u5c55\u5de5\u4f5c\uff09<\/p>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2023\/07\/image-21-1024x465.png\")
<\/figure>\n\n\n\n\u5c06\u8f93\u5165\u65f6\u949f\u8bbe\u7f6e\u621050M<\/p>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2023\/07\/image-22-1024x741.png\")
<\/figure>\n\n\n\n\u8f93\u51fa\u65f6\u949f\u8bbe\u7f6e\u621050m\uff0c\u5e76\u9009\u62e9OK \u4fdd\u5b58\u914d\u7f6e<\/p>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2024\/06\/image-26.png\")
<\/figure>\n\n\n\n\u56db\u3001\u589e\u52a0\u9876\u5c42\u6a21\u5757<\/h2>\n\n\n\n
1\uff09\u9009\u62e9Add Sources \u5728\u5f39\u51fa\u7684\u7a97\u53e3\u4e2d \u9009\u62e9Add or create design sources<\/p>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2023\/07\/image-15-1024x607.png\")
<\/figure>\n\n\n\n2\uff09\u70b9Create File \u521b\u5efa\u6587\u4ef6\uff0c\u5e76\u5728\u5f39\u51fa\u7a97\u53e3\u4e2d\u8f93\u5165verilog\u6a21\u5757\u7684\u6587\u4ef6\u540d\uff0c\u4e4b\u540e\u6309\u4e0bFinish \u5b8c\u6210<\/p>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2024\/06\/image-27.png\")
<\/figure>\n\n\n\n3)\u53cc\u51fb\u6253\u5f00\u521a\u521a\u521b\u5efa\u7684ADC_TEST.V\u6587\u4ef6\uff0c\u5e76\u6dfb\u52a0\u4e0b\u5217\u4ee3\u7801<\/p>\n\n\n\n
`timescale 1ns \/ 1ps
module ADC_TEST(
input sys_clk ,
\/\/\/\/\/\/\/\/\/\/\/AD1\/\/\/\/\/\/\/\/\/\/\/\/\/
input [9:0] ad1_data,
input ad1_ovr,
output ad1_clk,
output ad1_oe,
\/\/\/\/\/\/\/\/\/\/\/AD2\/\/\/\/\/\/\/\/\/\/\/\/\/
input [9:0] ad2_data,
input ad2_ovr,
output ad2_clk,
output ad2_oe
);
wire clk_50m;
assign ad1_oe = 1'b0;
assign ad1_clk = ~clk_50m;
assign ad2_oe = 1'b0;
assign ad2_clk = ~clk_50m;
clk_wiz_0 u_clk_wiz_0(
.clk_out1(clk_50m),
.reset(1'b0),
.locked(),
.clk_in1(sys_clk));
ila_0 u_ila_0 (
\t.clk(clk_50m),
\t.probe0(ad1_ovr),
\t.probe1(ad1_data),
\t.probe2(ad2_ovr),
\t.probe3(ad2_data)
);
endmodule<\/pre>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2024\/06\/image-28-1024x631.png\")
<\/figure>\n\n\n\n\u901a\u8fc7RTL\u56fe\u53ef\u4ee5\u770b\u51fa\uff0c\u6574\u4e2a\u7cfb\u7edf\u975e\u5e38\u7684\u7b80\u5355\uff0c\u53ef\u4ee5\u7406\u89e3\u4e3a\u628a\u8f93\u5165\u7684\u4fe1\u53f7\u76f4\u63a5\u4e22\u7ed9ILA\u6765\u8fdb\u884c\u89c2\u5bdf<\/p>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2024\/06\/image-29-1024x511.png\")
<\/figure>\n\n\n\n\u4e94\u3001 \u7ba1\u811a\u7ea6\u675f\u6587\u4ef6\u521b\u5efa<\/strong><\/h2>\n\n\n\n\u56e0\u4e3a\u6d89\u53ca\u5230\u7684\u7ba1\u811a\u6bd4\u8f83\u591a\uff0c\u6240\u4ee5\u8fd9\u91cc\u6211\u4eec\u76f4\u63a5\u7528\u521b\u5efa\u7ba1\u811a\u7ea6\u675f\u7684\u65b9\u5f0f\u6765\u6f14\u793a\uff08\u5f53\u7136\u4f60\u4e5f\u53ef\u4ee5\u901a\u8fc7RTL\u754c\u9762\u6765\u5728UI\u754c\u9762\u4e0b\u8fdb\u884c\u7ea6\u675f\uff09<\/p>\n\n\n\n
1\uff09 \u65b0\u5efa\u4e00\u4e2a\u7ea6\u675f\u6587\u4ef6<\/p>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2024\/06\/image-31-1024x472.png\")
<\/figure>\n\n\n\n2 \uff09\u5728\u5f39\u51fa\u7684\u7a97\u53e3\u4f9d\u6b21\u70b9create file \u5e76\u4e14\u5728file name\u4e2d\u586b\u5165\u7ea6\u675f\u6587\u4ef6\u7684\u6587\u4ef6\u540d \uff0c\u5b8c\u6210\u540e\u70b9ok \u548cfinish<\/p>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2024\/06\/image-32.png\")
<\/figure>\n\n\n\n3 \uff09 \u5982\u4e0b\u56fe\u65b9\u5f0f\u6253\u5f00\u7ea6\u675f\u6587\u4ef6<\/p>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2024\/06\/image-33-1024x489.png\")
<\/figure>\n\n\n\n4 \uff09 \u5728\u7ea6\u675f\u6587\u4ef6\u4e2d\u586b\u5165\u7ea6\u675f\u4fe1\u606f\uff08\u7ba1\u811a\u5b9a\u4e49,\u7ba1\u811a\u7535\u538b\u7b49\uff09 \u4e0b\u9762\u7684\u7ea6\u675f\u5185\u5bb9\u4ec5\u9488\u5bf9Smart ZYNQ SP\u3001 SP2\u3001SL\u7684\u4e3b\u677f\uff0c\u5176\u4ed6\u4e3b\u677f\u8bf7\u6839\u636e\u8fde\u63a5\u7684IO\u81ea\u884c\u4fee\u6539\u3002 \u4e4b\u540e<\/p>\n\n\n\n
set_property -dict {PACKAGE_PIN Y18 IOSTANDARD LVCMOS33} [get_ports sys_clk]
set_property -dict {PACKAGE_PIN K21 IOSTANDARD LVCMOS33} [get_ports ad1_clk]
set_property -dict {PACKAGE_PIN L19 IOSTANDARD LVCMOS33} [get_ports ad1_ovr]
set_property -dict {PACKAGE_PIN L20 IOSTANDARD LVCMOS33} [get_ports ad1_oe]
set_property -dict {PACKAGE_PIN J15 IOSTANDARD LVCMOS33} [get_ports {ad1_data[0]}]
set_property -dict {PACKAGE_PIN H15 IOSTANDARD LVCMOS33} [get_ports {ad1_data[1]}]
set_property -dict {PACKAGE_PIN H20 IOSTANDARD LVCMOS33} [get_ports {ad1_data[2]}]
set_property -dict {PACKAGE_PIN G20 IOSTANDARD LVCMOS33} [get_ports {ad1_data[3]}]
set_property -dict {PACKAGE_PIN H17 IOSTANDARD LVCMOS33} [get_ports {ad1_data[4]}]
set_property -dict {PACKAGE_PIN H18 IOSTANDARD LVCMOS33} [get_ports {ad1_data[5]}]
set_property -dict {PACKAGE_PIN J20 IOSTANDARD LVCMOS33} [get_ports {ad1_data[6]}]
set_property -dict {PACKAGE_PIN J21 IOSTANDARD LVCMOS33} [get_ports {ad1_data[7]}]
set_property -dict {PACKAGE_PIN J22 IOSTANDARD LVCMOS33} [get_ports {ad1_data[8]}]
set_property -dict {PACKAGE_PIN H22 IOSTANDARD LVCMOS33} [get_ports {ad1_data[9]}]
set_property -dict {PACKAGE_PIN K16 IOSTANDARD LVCMOS33} [get_ports ad2_oe]
set_property -dict {PACKAGE_PIN L16 IOSTANDARD LVCMOS33} [get_ports ad2_ovr]
set_property -dict {PACKAGE_PIN K17 IOSTANDARD LVCMOS33} [get_ports ad2_clk]
set_property -dict {PACKAGE_PIN N22 IOSTANDARD LVCMOS33} [get_ports {ad2_data[0]}]
set_property -dict {PACKAGE_PIN M22 IOSTANDARD LVCMOS33} [get_ports {ad2_data[1]}]
set_property -dict {PACKAGE_PIN N20 IOSTANDARD LVCMOS33} [get_ports {ad2_data[2]}]
set_property -dict {PACKAGE_PIN M20 IOSTANDARD LVCMOS33} [get_ports {ad2_data[3]}]
set_property -dict {PACKAGE_PIN J19 IOSTANDARD LVCMOS33} [get_ports {ad2_data[4]}]
set_property -dict {PACKAGE_PIN H19 IOSTANDARD LVCMOS33} [get_ports {ad2_data[5]}]
set_property -dict {PACKAGE_PIN M18 IOSTANDARD LVCMOS33} [get_ports {ad2_data[6]}]
set_property -dict {PACKAGE_PIN L18 IOSTANDARD LVCMOS33} [get_ports {ad2_data[7]}]
set_property -dict {PACKAGE_PIN K18 IOSTANDARD LVCMOS33} [get_ports {ad2_data[8]}]
set_property -dict {PACKAGE_PIN K19 IOSTANDARD LVCMOS33} [get_ports {ad2_data[9]}]
# Define the clock period for 50 MHz
create_clock -period 20.000 -name sys_clk -waveform {0.000 10.000} [get_ports sys_clk]<\/pre>\n\n\n\n\u516d\u3001\u5de5\u7a0b\u7f16\u8bd1\u3001\u7efc\u5408<\/strong><\/h2>\n\n\n\n1\uff09 \u7f16\u8bd1 RUN<\/p>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2022\/02\/image-24.png\")
<\/figure>\n\n\n\n2\uff09\u7efc\u5408\u5e76\u751f\u6210 bit\u6587\u4ef6<\/p>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2022\/02\/image-27.png\")
<\/figure>\n\n\n\n\u4e03\u3001\u4e0b\u8f7d\u5e76\u5728\u7ebf\u6d4b\u8bd5\u7ed3\u679c<\/strong><\/h2>\n\n\n\n\u786c\u4ef6\u8fde\u63a5\uff0c\u00a0\u5c06\u6211\u4eec\u7684ADC\u6a21\u5757\u8fde\u63a5\u5230Smart Artix \u4e3b\u677fJ6\u7aef\u6392\u9488\u7684\u4e00\u4fa7<\/strong>\u00a0\uff0c\u5e76\u5c06\u4e24\u8defADC\u6a21\u5757\u7684\u8f93\u5165\u7aef\u7528SMA\u8f6cBNC\u4fe1\u53f7\u7ebf\u5206\u522b\u8fde\u63a5\u6ce2\u5f62\u53d1\u751f\u5668\uff08\u5982\u6ca1\u6709\u6ce2\u5f62\u53d1\u751f\u5668\uff0c\u4e5f\u53ef\u4ee5\u7528\u53ef\u8c03\u7535\u6e90\u6765\u6a21\u62df\uff0c\u5207\u8bb0\uff0c\u8f93\u5165\u8303\u56f4\u662f-5V \u5230 +5V\uff09\uff0c\u4e4b\u540e\u518d\u5c06\u677f\u5b50\u548c\u7535\u8111\u8fdb\u884c\u8fde\u63a5\uff08\u4f9b\u7535\u548c\u8fde\u63a5\u4e0b\u8f7d\u5668\uff09\u3002<\/p>\n\n\n\n1\uff09 \u70b9\u9009 Program Device \u7136\u540e\u9009\u62e9\u82af\u7247xc7a50t<\/p>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2025\/11\/image-23.png\")
<\/figure>\n\n\n\n2\uff09 \u70b9\u9009 program<\/p>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2024\/06\/image-35.png\")
<\/figure>\n\n\n\n3\uff09 \u4e4b\u540e\u7cfb\u7edf\u4f1a\u5bf9FPGA\u8fdb\u884c\u7f16\u7a0b\u914d\u7f6e\uff0c\u5e76\u4e14vivado \u4f1a\u5f39\u51faila\u8c03\u8bd5\u754c\u9762<\/p>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2024\/06\/image-34-1024x525.png\")
<\/figure>\n\n\n\n4\uff09 \u5982\u679c ILA\u754c\u9762\u4e0b\u6ca1\u6709\u51fa\u73b0\u5bf9\u5e94\u7684\u4fe1\u53f7\uff0c\u53ef\u4ee5\u70b9\u9009ILA\u754c\u9762\u4e0b\u7684\u52a0\u53f7<\/p>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2024\/06\/b6105e78cf6cf0ff37a8ab6c7281633-756x1024.png\")
<\/figure>\n\n\n\n5\uff09\u6309\u4e0b\u7bad\u5934\u8fdb\u884c\u6570\u636e\u7684\u91c7\u96c6<\/p>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2024\/06\/image-36.png\")
<\/figure>\n\n\n\n6\uff09\u63a5\u4e0b\u6765\u5bf9\u91c7\u96c6\u7684\u6570\u636e\u8fdb\u884c\u4e00\u4e9b\u7b80\u5355\u7684\u8bbe\u7f6e\u4ee5\u65b9\u4fbf\u89c2\u5bdf\u7ed3\u679c\uff0c\u9996\u5148\u5c06\u91c7\u96c6\u7684\u7ed3\u679c\u5b9a\u4e49\u4e3a\u65e0\u7b26\u53f7\u6574\u6570\u65b9\u4fbf\u770bADC\u91c7\u96c6\u5230\u7684\u503c<\/p>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2024\/06\/ef155c7925d1a3d3e5aa41e23c30dea-1024x909.png\")
<\/figure>\n\n\n\n\u8fd9\u91cc\u663e\u793a\u7684\u503c\u5c31\u662fADC\u91c7\u96c6\u5230\u4fe1\u53f7\u7684\u503c\uff0c\u5bf9\u5e94\u7684\u7535\u538b\u53ef\u4ee5\u901a\u8fc7 \u6362\u7b97\u5173\u7cfb V =(10 x ADC \/ 1023) \u2013 5<\/strong> \u6765\u8fdb\u884c\u53cd\u63a8\u3002<\/p>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2024\/06\/7ad540c28b8c28f3ba200ae2303e9ed.png\")
<\/figure>\n\n\n\n7\uff09 \u8fd9\u91cc\u4e5f\u53ef\u4ee5\u5c06\u503c\u8bbe\u7f6e\u6210\u6a21\u62df\u91cf\u6765\u65b9\u4fbf\u89c2\u5bdf\u6ce2\u5f62\uff0cWaveform Style -> Analog , \u53ef\u4ee5\u4ece\u56fe\u4e0a\u770b\u5230\uff0c\u53ef\u4ee5\u4ece\u4e0b\u56fe\u4e2d\u770b\u51fa\u6211\u4eec\u91c7\u96c6\u7684\u6ce2\u5f62\u4e00\u4e2a\u662f\u6b63\u5f26\u6ce2\uff0c\u4e00\u4e2a\u662f\u4e09\u89d2\u6ce2\u3002<\/p>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2024\/06\/a4edaec4e98e356ff73b035e2003f9f-1024x902.png\")
<\/figure>\n\n\n\n\u516b\u3001\u5bf9\u89c2\u6d4b\u7ed3\u679c\u8fdb\u884c\u9a8c\u8bc1<\/strong><\/h2>\n\n\n\n\u89c2\u6d4b\u4e00 \u7528ADC\u6a21\u5757\u91c7\u96c6\u6ce2\u5f62\u53d1\u751f\u5668\u751f\u6210\u7684\u6ce2\u5f62<\/strong>\uff0c\u8fd9\u91cc\u6211\u4eec\u5c06\u6ce2\u5f62\u53d1\u751f\u5668\u8bbe\u7f6e\u6210\uff08VPP:4.5V, OFFSET : 0V\uff0c\u9891\u7387\u4e3a1Mhz\u7684\u6b63\u5f26\u6ce2\uff09\u8003\u8651\u5230\u6ce2\u5f62\u53d1\u751f\u5668\u662f\u4f4e\u963b\u8f93\u51fa\uff0850\u6b27\uff09\u800c\u6211\u4eec\u7684adc \u53c8\u662f\u9ad8\u963b\u6297\u8f93\u5165\uff0c\u6240\u4ee5\u8fd9\u91cc\u5b9e\u9645\u91c7\u96c6\u5230\u7684\u6ce2\u5f62\u7406\u8bba\u4e0a\u5e94\u8be5\u63a5\u8fd1\u4e8e\u4e24\u500d\u5173\u7cfb \u5373 VPP:9V\uff0cOFFSET:0V \uff08\u5373\u6b63\u5f26\u6ce2\u7684\u6700\u5c0f\u503c\u662f-4.5V \uff0c\u6b63\u5f26\u6ce2\u7684\u6700\u5927\u503c\u662f+4.5V<\/strong>\uff09\u3002<\/p>\n\n\n\n\uff08\u5907\u6ce8 \u56e0\u4e3a\u8f93\u5165\u963b\u6297\u6bd4\u8f83\u5927\uff0c\u6240\u4ee5\u5982\u679c\u76f4\u63a5\u7528\u677f\u5b50\u53bb\u6d4b\u91cf50\u6b27\u963b\u6297\u7684\u4fe1\u53f7\u53d1\u751f\u5668\u8f93\u51fa\u7684\u6ce2\u5f62\uff0c\u5b9e\u9645\u6d4b\u91cf\u5230\u7684\u7ed3\u679c\u53ef\u80fd\u662f\u4e24\u500d\u4fe1\u53f7\u7684\u5927\u5c0f\uff0c\u8fd9\u4e2a\u662f\u6b63\u5e38\u7684\uff0c\u5373\u4f7f\u5728\u666e\u901a\u793a\u6ce2\u5668\u4e0a\u8fd9\u4e2a\u73b0\u8c61\u4e5f\u662f\u4f1a\u51fa\u73b0\u7684\uff0c\u5927\u5bb6\u611f\u5174\u8da3\u7684\u53ef\u4ee5\u767e\u5ea6\u641c\u7d22\u4e0b \u201c\u4e3a\u4ec0\u4e48\u793a\u6ce2\u5668\u91c7\u96c6\u5230\u7684\u6ce2\u5f62\u662f\u4fe1\u53f7\u53d1\u751f\u5668\u7684\u4e24\u500d<\/strong>\u201d\uff08\u9ad8\u7aef\u7684\u793a\u6ce2\u5668\u4f1a\u670950\u6b27\u548c1M\u6b27\u4e24\u6863\uff0c\u8fd9\u79cd\u793a\u6ce2\u5668\u53ef\u4ee5\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff09<\/strong><\/p>\n\n\n\n\u8fd9\u91cc\u505a\u8bd5\u9a8c\u6ca1\u6709\u9009\u62e9VPP:5V\uff0c\u800c\u662f\u9009\u62e9VPP\u4e3a4.5V\u662f\u4e3a\u4e86\u65b9\u4fbf\u8fdb\u884c\u6f14\u793a\uff0c\u5927\u5bb6\u4e5f\u53ef\u4ee5\u9009\u62e9VPP\u7b49\u4e8e5V\uff0c\u4f46\u662f\u56e0\u4e3a\u90e8\u5206\u6a21\u5757\u6700\u5927\u7684\u91c7\u96c6\u8303\u56f4\u53ef\u80fd\u662f\u52304.9V-5.1V\u4e4b\u95f4\uff0c\u800c\u9009\u62e95V\u7684\u6b63\u5f26\u6ce2\u6709\u53ef\u80fd\u5728\u90e8\u5206\u6a21\u5757\u4e0a\u4f1a\u51fa\u73b0\u6570\u636e\u8d85\u51fa\u8303\u56f4\uff08OVR\u4fe1\u53f7\u7f6e1\uff09\u7684\u60c5\u51b5\uff0c\u5982\u9047\u5230\u8fd9\u7c7b\u60c5\u51b5\uff0c\u5927\u5bb6\u53ef\u4ee5\u9002\u5f53\u8c03\u5c0f\u4e00\u4e9b\u8303\u56f4\uff08\u59824.8\u6216\u80054.9\uff09\uff0c\u53e6\u5916\u5982\u679c\u6d4b\u91cf\u7684\u662f\u65b9\u6ce2\u4fe1\u53f7\uff0c\u5373\u4f7f\u8bbe\u7f6e\u6ce2\u5f62\u53d1\u751f\u5668\u4e3a5V\uff0c\u5b9e\u9645\u65b9\u6ce2\u7684\u4e0a\u5347\u6cbf\u4e5f\u4f1a\u6709\u4e00\u6bb5\u8fc7\u51b2\u7684\u73b0\u8c61\uff08\u7528\u793a\u6ce2\u5668\u4e5f\u80fd\u89c2\u6d4b\u5230\uff09\uff0c\u4e5f\u540c\u6837\u4f1a\u5bfc\u81f4OVR\u4fe1\u53f7\u7f6e1\uff0c\u8fd9\u4e2a\u662f\u6b63\u5e38\u73b0\u8c61\u3002\u5927\u5bb6\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u81ea\u884c\u8c03\u6574\u4fe1\u53f7\u6e90\u8fdb\u884c\u8bd5\u9a8c\u3002<\/p>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2024\/06\/1718460813960-1024x373.png\")
<\/figure>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2024\/06\/1718460856043-1024x387.png\")
<\/figure>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2024\/06\/image-40-1024x386.png\")
<\/figure>\n\n\n\n\u968f\u540e\u6211\u4eec\u7528ILA\u6293\u53d6\u4e00\u6bb5\u6ce2\u5f62\uff0c\u5e76\u5c06\u4fe1\u53f7\u8bbe\u7f6e\u6210\u6a21\u62df\u91cf\u6765\u65b9\u4fbf\u89c2\u5bdf\u6ce2\u5f62\uff0cWaveform Style -> Analog<\/p>\n\n\n\n
\u4e0b\u5217\u4e24\u5f20\u56fe\u662f\u6d4b\u8bd5\u7ed3\u679c\uff0c\u53ef\u4ee5\u770b\u5230\uff0c\u8f93\u5165\u7684\u4fe1\u53f7\u662f\u4e00\u4e2a\u6b63\u5f26\u6ce2<\/p>\n\n\n\n
\u901a\u8fc7\u6362\u7b97\u53ef\u4ee5\u5f97\u5230 \u6b63\u5f26\u6ce2\u7684 \u6700\u9ad8\u7535\u538b\u63a5\u8fd1 971 \uff08\u6362\u7b97\u5f97\u5230 971\/1023\u00d710-5=4.491V\uff09<\/p>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2024\/06\/image-41-1024x516.png\")
<\/figure>\n\n\n\n\u901a\u8fc7\u6362\u7b97\u53ef\u4ee5\u5f97\u5230 \u6b63\u5f26\u6ce2\u7684 \u6700\u4f4e\u7535\u538b\u63a5\u8fd1 52\uff08\u6362\u7b97\u5f97\u5230 52\/1023\u00d710-5V= \u2013 4.491V\uff09<\/p>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2024\/06\/image-42-1024x376.png\")
<\/figure>\n\n\n\n\u91c7\u96c6\u5230\u7684\u6ce2\u5f62\u548c\u4fe1\u53f7\u53d1\u751f\u5668\u751f\u6210\u7684\u6ce2\u5f62\u6ee1\u8db3\u4e24\u500d\u5173\u7cfb<\/strong>\uff08\u8bbe\u7f6e\u7684VPP\u662f4.5V\uff0c\u5b9e\u9645\u91c7\u96c6\u5230\u7684VPP\u662f4.49 X 2\uff0c\u63a5\u8fd1\u4e24\u500d\u5173\u7cfb\uff09\uff0c\u5373\u6570\u636e\u6b63\u786e\uff08\u4e3a\u4ec0\u4e48\u662f\u4e24\u500d\u5173\u7cfb \u4e0a\u6587\u4e2d\u6709\u63d0\u5230\uff09<\/p>\n\n\n\n\u89c2\u5bdf\u4e8c \u7528ADC\u6a21\u5757 \u91c7\u96c6\u6570\u5b57\u7a33\u538b\u6e90\u7684\u7535\u538b<\/strong><\/p>\n\n\n\n\u5b9e\u9a8c\u5206\u522b\u6d4b\u8bd5\u4e864.5V\uff0c 0.01V \u548c -3.0V \u7535\u538b\uff0c\u901a\u8fc7ila\u754c\u9762 \u6362\u7b97 \u7ed3\u679c\u90fd\u662f\u6b63\u786e\u7684\uff08\u6709\u5174\u8da3\u7684\u4e5f\u53ef\u4ee5\u6d4b\u8bd55V\u7535\u538b\uff0c\u4e0d\u8fc7\u90e8\u5206\u6a21\u5757\u6709\u53ef\u80fd\u57285V\u5904\u4f1aOVR\u62a5\u8b66\uff0c\u5982\u51fa\u73b0\u8fd9\u79cd\u60c5\u51b5\uff0c\u5927\u5bb6\u53ef\u4ee5\u9002\u5f53\u964d\u4f4e\u91c7\u96c6\u4fe1\u53f7\u7684\u7535\u538b<\/strong><\/p>\n\n\n\n1 ) \u6d4b\u91cf4.5V\uff0c\u5b9e\u9645\u91c7\u96c6\u5230\u7684\u6570\u503c\u5728971\u9644\u8fd1\u6ce2\u52a8\uff0c\u6839\u636e\u6362\u7b97971\u5bf9\u5e94\u7684\u7535\u538b\u662f4.49V\uff0c\u4e0e\u7a33\u538b\u6e90\u76844.5V\u6570\u503c\u63a5\u8fd1\u3002<\/p>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2024\/06\/image-46-1024x342.png\")
<\/figure>\n\n\n\n2 )\u6d4b\u91cf 0.01V\uff0c\u5b9e\u9645\u91c7\u96c6\u5230\u7684\u6570\u503c\u5728511\u9644\u8fd1\u6ce2\u52a8\uff0c\u6839\u636e\u6362\u7b97511\u5bf9\u5e94\u7684\u7535\u538b\u662f -0.0004V\uff0c\u4e0e\u7a33\u538b\u6e90\u76840.01V\u63a5\u8fd1\u3002<\/p>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2024\/06\/image-43-1024x285.png\")
<\/figure>\n\n\n\n3\uff09 \u6700\u540e\u518d\u91c7\u96c6\u4e00\u7ec4\u8d1f\u7535\u538b\uff0c\u56e0\u4e3a\u6211\u7684\u53ef\u8c03\u7535\u6e90\u53ea\u80fd\u8f93\u51fa\u6b63\u7535\u538b\uff0c \u6240\u4ee5\u8fd9\u91cc\u6211\u5c06\u53ef\u8c03\u7535\u6e90\u8f93\u51fa\u7684\u4e24\u4e2a\u4fe1\u53f7\u8fdb\u884c\u4ea4\u6362\uff0c\u5b9e\u73b0\u8d1f\u7535\u538b\u8f93\u51fa\uff08\u5907\u6ce8\uff0c\u5982\u679c\u53ef\u8c03\u7535\u6e90\u6b63\u8d1f\u6781\u4e00\u8fb9\u7ed9\u4e3b\u677f\u4f9b\u7535\uff0c\u540c\u65f6\u53c8\u5f15\u51fa\u53e6\u4e00\u7ec4\u7535\u6e90\u7ebf\u7ed9ADC\u8fdb\u884c\u91c7\u96c6\uff0c\u6b64\u79cd\u60c5\u51b5\u4e0b\u4ea4\u6362\u6a21\u62df\u4fe1\u53f7\u7684\u6b63\u8d1f\u6781\u6709\u53ef\u80fd\u4f1a\u9020\u6210\u77ed\u8def\u635f\u574f\u4e3b\u677f\uff0c\u6240\u4ee5\u5927\u5bb6\u4ea4\u6362\u524d\u8bf7\u81ea\u884c\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u8fdb\u884c\u8bc4\u4f30\uff09<\/strong><\/p>\n\n\n\n\u8fd9\u91cc\u6211\u4eec\u91c7\u96c6\u8d1f\u76843V\u7535\u538b\uff0c\u5b9e\u9645\u91c7\u96c6\u5230\u7684\u6570\u503c\u5728203\u9644\u8fd1\u6ce2\u52a8\uff0c\u6839\u636e\u6362\u7b97203\u5bf9\u5e94\u7684\u7535\u538b\u662f -3.01V\uff0c\u4e0e\u7a33\u538b\u6e90\u7684-3.00V\u63a5\u8fd1\u3002<\/p>\n\n\n\n![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2024\/06\/image-45-1024x354.png\")
<\/figure>\n\n\n\n\u5176\u4ed6\u6570\u636e\u5927\u5bb6\u81ea\u884c\u5e38\u8bc6\uff0c \u53e6\u5916\u5982\u679cOVR\u4fe1\u53f7\u88ab\u7f6e1\u4e86\uff0c\u8bc1\u660e\u6709\u6570\u636e\u8d85\u51fa\u6d4b\u91cf\u8303\u56f4\u4e86\u3002<\/p>\n\n\n\n
![\"\"](\"http:\/\/www.hellofpga.com\/wp-content\/uploads\/2024\/06\/image-21.png\")
<\/figure>\n\n\n\n