计数器电路触发器编码器译码器逻辑门数电电路Multisim仿真源文件20个合集:100进制电路测试.ms10100进制电路测试.ms10 (Security copy)74LS161测试电路.ms1074LS161测试电路.ms10 (Security copy)74LS192电路.ms1074LS192电路.ms10 (Security copy)D触发器到T'触发器测试.ms10D触发器到T'触发器测试.ms10 (Security copy)D触发器测试电路.ms10D触发器测试电路.ms10 (Security copy)JK触发器变为T触发器测试.ms10JK触发器变为T触发器测试.ms10 (Security copy)JK触发器测试.ms10JK触发器测试.ms10 (Security copy)RS基本触发器测试.ms10RS基本触发器测试.ms10 (Security copy)任意进制电路设计74LS160.ms10任意进制电路设计74LS160.ms10 (Security copy)四人表决器.ms10四人表决器.ms10 (Security copy)奇偶校验电路(Parity.pdf奇偶校验电路.ms10奇偶校验电路.ms10 (Security copy)抢答器.ms10抢答器.ms10 (Security copy)火灾报警.ms10火灾报警.ms10 (Security copy)简易密码锁设计.ms10简易密码锁设计.ms10 (Security copy)简易测频仪.ms10简易测频仪.ms10 (Security copy)简易秒表电路.ms10简易秒表电路.ms10 (Security copy)编码器74LS148D.ms10编码器74LS148D.ms10 (Security copy)译码器电路.ms10译码器电路.ms10 (Security copy)逻辑门.ms10逻辑门.ms10 (Security copy)
上传时间： 2021-10-27
上传用户：canderile
数字示波器功能强大,使用方便,但是价格相对昂贵。本文以Ti的MSP430F5529为主控器,以Altera公司的EP2C5T144C8 FPGA器件为逻辑控制部件设计数字示波器。模拟信号经程控放大、整形电路后形成方波信号送至FPGA测频,根据频率值选择采用片上及片外高速AD分段采样。FPGA控制片外AD采样并将数据输入到FIFO模块中缓存,由单片机进行频谱分析。测试表明:简易示波器可以实现自动选档、多采样率采样、高精度测频及频谱分析等功能。Digital oscilloscope is powerful and easy to use, but also expensive. The research group designed a low-cost digital oscilloscope, the chip of MSP430F5529 of TI is chosen as the main controller and the device of EP2C5T144C8 of Altera company is used as the logic control unit. Analog signal enter the programmable amplifier circuit, shaping circuit and other pre-processing circuit. The shaped rectangular wave signal is sent to FPGA for measure the frequency. According to the frequency value to select AD on-chip or off-chip high-speed AD for sampling. FPGA controls the off-chip AD sampling and buffers AD data by FIFO module. The single chip microcomputer receives the data, and do FFT for spectrum analysis. The test shows that the simple oscilloscope can realize automatic gain selection, sampling at different sampling rates, high precision frequency measurement and spectrum analysis.
上传时间： 2022-03-27
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上传时间： 2013-04-15
上传用户：eeworm
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上传时间： 2013-06-30
上传用户：eeworm
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上传时间： 2013-06-14
上传用户：eeworm
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上传时间： 2013-04-15
上传用户：eeworm
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上传时间： 2013-05-19
上传用户：eeworm
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上传时间： 2013-06-15
上传用户：eeworm
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标签： 场强仪
上传时间： 2013-07-18
上传用户：eeworm
晶体管-晶体管逻辑电路
上传时间： 2013-07-12
上传用户：eeworm
