The transmitting channel is consisted by local oscillator, up converter, filter, PA, isolator, switch and so on.
双通道上变频模块包括本振、上变频器、滤波器、放大器、耦合器、隔离器、开关等。
Its transmitting channel has coupled output and can be connected to the input of receiving channel, which realizes the system self-check test function.
双通道上变频模块的发射通路具有耦合输出,可以接到接收通道耦合输入,用来形成发射通道与接收通道的自闭环,完成系统自检测试功能。
The transmitting channel includes international merchandise trade and international financial trade, etc.
和传导渠道,包括国际商品贸易渠道和国际金融交易渠道等。