The receiver has been designed and made, including preamplifier, amplifier, filter circuit, AGC, PLL, etc.
设计并制作了接收机电路, 包括前放电路, 放大电路, 滤波电路,自动增益控制电路, 锁相环电路, 判决电路等.
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The designed circuit includes amplifier - filter circuit , AGC circuit and floating threshold setting circuit mainly.
设计的电路主要有放大 - 滤波电路 、 自动增益控制电路和浮动阈值电路.
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