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    <description>Latest 20 threads of TUB</description>
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      <title>【FAQ】TUB传输到主板的10MHz和1PPS时钟的电平范围是多少？</title>
      <link>http://www.myfpga.org/discuz/forum.php?mod=viewthread&amp;tid=197576</link>
      <description><![CDATA[Q：由TUB传输到主板的10MHz和1PPS时钟的电平范围是多少？ 

A：10MHz时钟是0V直流偏置信号，而1PPS时钟的电平范围是0~5V。]]></description>
      <category>TUB</category>
      <author>BOB_Sun</author>
      <pubDate>Wed, 08 Dec 2021 08:16:32 +0000</pubDate>
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      <title>TUB配套参考资料大全（免费下载、不定期更新！）</title>
      <link>http://www.myfpga.org/discuz/forum.php?mod=viewthread&amp;tid=197541</link>
      <description><![CDATA[TUB官网电路图下载：http://www.terasic.com.cn/cgi-bin/page/archive.pl?Language=China&amp;CategoryNo=112&amp;No=1135&amp;PartNo=4

TUB常见问题解答：http://www.myfpga.org/discuz/forum.php?mod=forumdisplay&amp;fid=208]]></description>
      <category>TUB</category>
      <author>BOB_Sun</author>
      <pubDate>Thu, 28 Oct 2021 04:07:13 +0000</pubDate>
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