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嗨,
我们可以将LM35(附图vout)的输出直接连接到Spartan3E的J7连接器VinA或VinB引脚吗? 虽然测试Lm35的输出从大约260mv变化到285mv。 谢谢 凯西 以上来自于谷歌翻译 以下为原文 Hi, Can we connect the output of LM35( attached fig vout) directly to J7 connector VinA or VinB pin of Spartan3E? While testing the output of Lm35 is varying from about 260mv to 285 mv. thanks kathy |
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嗨,
这个设备的包装是什么? J7引脚是VCCO输入吗? 在这种情况下,您需要检查器件数据表并搜索建议的工作电压,并查看该电压是否在范围内 - 但不建议使用电压振荡,并且电源预计会保持稳定。 谢谢,AnirudhPS:请将此标记作为答案,以防它有助于解决您的问题。如果帖子引导您找到解决方案,请给予赞誉。 以上来自于谷歌翻译 以下为原文 Hi, What is the package of the device? Is the J7 pin a VCCO input? In that case you need to check the Device datasheet and search for the recommended operating voltage and see if this voltage is in range - However the voltage oscillation is not recommended and the power supply is expected to be stable. Thanks, Anirudh PS: Please MARK this as an answer in case it helped resolve your query.Give kudos in case the post guided you to a solution. |
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凯西,
看起来你正在推荐VINA& SPartan 3E入门套件中的VINB ADC。 这些引脚的允许电压范围在表格10-2中给出:http://www.xilinx.com/support/documentation/boards_and_kits/ug230.pdf 问候, 克里希纳 -------------------------------------------------- ---------------------------------------------请将帖子标记为 如果提供的信息能够回答您的问题/解决您的问题,请“接受为解决方案”。给予您认为有用的帖子。 以上来自于谷歌翻译 以下为原文 Kathy, It looks like you are refering to VINA & VINB of ADC in SPartan 3E starter kit. The allowable voltage range of these pins is given in table 10-2 of http://www.xilinx.com/support/documentation/boards_and_kits/ug230.pdf Regards, Krishna ----------------------------------------------------------------------------------------------- Please mark the post as "Accept as solution" if the information provided answers your query/resolves your issue. Give Kudos to a post which you think is helpful. |
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嗨克里希纳,
是的,我正在考虑将VINA和VINB输入到Spartan 3E中的Analog cycleiary。 谢谢,我去了ug230指南。 根据指南,前置放大器的最小输入电压为0.4V,是吗?我的模拟电压从260mv变为285 mv,在给前置放大器之前是否需要放大信号,我说对了? 谢谢 凯西 以上来自于谷歌翻译 以下为原文 Hi Krishna, Yes, I am taking about VINA and VINB input toAnalog circuiary in Spartan 3E. Thank you, I went throught ug230 guide. As per the guide the minimum input voltage to preamplifier is 0.4V, is it? My analog voltage varying from 260mv to 285 mv, do I need to amplify my signal before giving to preamplifier,I am right? thanks kathy |
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嗨,由于VINA / VINB的最小允许电压为0.4V,您可能需要放大信号。注意,Krishna
-------------------------------------------------- ---------------------------------------------请将帖子标记为 如果提供的信息能够回答您的问题/解决您的问题,请“接受为解决方案”。给予您认为有用的帖子。 以上来自于谷歌翻译 以下为原文 Hi, Since the minimum allowed voltage for VINA/VINB is 0.4V, you may need to amplify your signal. Regards, Krishna----------------------------------------------------------------------------------------------- Please mark the post as "Accept as solution" if the information provided answers your query/resolves your issue. Give Kudos to a post which you think is helpful. |
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你好
在内置ADC电路且增益为-1且Vin为1V的spartan3e电路板中,根据公式输出的输出为4259; D [13:0] =增益x((Vin-1.65V)/1.25V)X 8192.我得到了这个结果,但是如何找回原始输入电压(1V)? 谢谢 凯西 以上来自于谷歌翻译 以下为原文 Hi In the spartan3e boards with build in ADC circuit and with gain of-1 and Vin as 1V, then ouput will be 4259 as per equation ; D[13:0] =Gain x((Vin-1.65V)/1.25V )X 8192. I am getting this result, but how can I retrieve back my orginal input voltage (1V)? Thank you kathy |
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