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为什么现在的卫星接收机都没有高频头
2010-3-26 13:38
- 数字广电
- 10
- 3159
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如何测量贴片电感,0603的,白色的那种
2009-3-4 16:00
- 通信技术
- 7
- 4511
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请问在COFDM技术下,功率放大器的最佳增益是多少?谢谢了啊
2008-7-19 14:07
- 电子技术交流论坛
- 1
- 1506
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-130dBm,功耗反而下降到1.5mA,你们猜这8引脚的中频IC是谁?
2008-8-8 18:11
- 电子技术交流论坛
- 18
- 3251
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这是一个滤波器的参数图,看的不太懂,谁知道怎么看
2008-7-12 18:11
- 通信技术
- 2
- 1451
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![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
带外干扰抑制比
2008-7-31 17:42
- 数字广电
- 9
- 3637
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2
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