The main production and sales varactor diode and integrated circuit IC.
主要生产销售变容二极管和集成电路ic。
This type of system is active warning systems from photodiode, luminous diode, the circuit and was enlarged circuit.
本系统属于主动型报警系统，由光电二极管、发光二极管、放大电路及报警电路组成。
Based on characteristics of PIN diode switch circuit in rf signal switching, a PIN electronic switch circuit is designed to perform filter switching.
基于PIN二极管开关电路在射频信号切换方面的特性，设计了一种应用于滤波器切换的PIN电子开关电路。
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