btty038 发表于 2025-1-9 14:22

超级学习提升线路(借鉴射频通道学习)站在巨人肩上Siglent SSA3021X 频谱分析仪拆解

<p><a href="http://www.ti.com/product/AM3352http" target="_blank">http://www.ti.com/product/AM3352http</a>://ww1.microchip.com/downloads/en...<a href="http://www.ti.com/product/LMH6517http" target="_blank">http://www.ti.com/product/LMH6517http</a>://<a href="www.analog.com/media/en/techni...http" target="_blank">www.analog.com/media/en/techni...http</a>://<a href="www.analog.com/media/en/techni...http" target="_blank">www.analog.com/media/en/techni...http</a>://<a href="www.analog.com/media/en/techni...http" target="_blank">www.analog.com/media/en/techni...http</a>://<a href="www.analog.com/media/en/techni...http" target="_blank">www.analog.com/media/en/techni...http</a>://<a href="www.physics.utoronto.ca/~astum...http" target="_blank">www.physics.utoronto.ca/~astum...http</a>://<a href="www.analog.com/media/en/techni...http" target="_blank">www.analog.com/media/en/techni...http</a>://<a href="www.analog.com/media/en/techni...https" target="_blank">www.analog.com/media/en/techni...https</a>://<a href="www.minicircuits.com/pdfs/VSW...http" target="_blank">www.minicircuits.com/pdfs/VSW...http</a>://<a href="www.analog.com/media/en/techni...http" target="_blank">www.analog.com/media/en/techni...http</a>://<a href="www.analog.com/media/en/techni...https" target="_blank">www.analog.com/media/en/techni...https</a>://<a href="www.zcomm.com/pdfs/datasheets...http" target="_blank">www.zcomm.com/pdfs/datasheets...http</a>://<a href="www.analog.com/media/en/techni...http" target="_blank">www.analog.com/media/en/techni...http</a>://<a href="www.analog.com/media/en/techni...http" target="_blank">www.analog.com/media/en/techni...http</a>://<a href="www.analog.com/media/en/techni...https" target="_blank">www.analog.com/media/en/techni...https</a>://<a href="www.minicircuits.com/pdfs/ADE...http" target="_blank">www.minicircuits.com/pdfs/ADE...http</a>://<a href="www.winnsky.com/res/winn-sky/p...http" target="_blank">www.winnsky.com/res/winn-sky/p...http</a>://<a href="www.psemi.com/pdf/datasheets/p...http" target="_blank">www.psemi.com/pdf/datasheets/p...http</a>://<a href="www.analog.com/media/en/techni...http" target="_blank">www.analog.com/media/en/techni...http</a>://<a href="http://www.analog.com/media/en/techni..." target="_blank">www.analog.com/media/en/techni...</a></p>

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<p>电源部分</p>

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<p>交流接地(GND)</p>

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<p>为什么放了三张图片、为了看清楚丝印,方便找资料、、、、、、、</p>

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<p>超低噪声参考源(晶振)</p>

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<p>7400系列出TTL电平</p>

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<p>数字衰减器(HMC307QS16G)</p>

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<p>版号</p>

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<p>倾斜30&deg;查看</p>

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<p>LO</p>

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<p>参考信号</p>

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<p>翻过来(漂亮)</p>

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<p>详细</p>

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<p>直通或衰减</p>

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<p>第一个LO本地振荡器</p>

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<p>左下角的扫描SWEEP GENERATOR</p>

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<p>发生器馈入进入振荡器,在到达特定分析仪中的混频器之前,LO之后还有几个步骤。还有一个小数合成器构成最终的PLL本地振荡器和环路滤波器。</p>

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<p>倍频器</p>

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<p>耦合一路输出到LO</p>

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<p>第二个混频器(MIXER)</p>

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<p>4.8GHz</p>

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<p>第二本振荡器</p>

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qwqwqw2088 发表于 2025-1-11 09:23

<p>频谱产品的电路板做起来估计很费钱,</p>

<p>沉金的地方真多,沉金的面积也大</p>

btty038 发表于 2025-1-11 10:35

qwqwqw2088 发表于 2025-1-11 09:23
频谱产品的电路板做起来估计很费钱,

沉金的地方真多,沉金的面积也大

<p>射频的尽头是玄学、</p>
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