A double-balanced Gilbert structure with current injection is used according to the analysis of mixernoise and gain.
通过对混频器噪声机理的分析，在原有的结构上增加了电流注入模块。
2
A low flicker noisemixer for zero-IF GPS receiver is presented.
设计了一种用于零中频gps接收机的低闪烁噪声混频器。
3
The subcircuits consist of the low noise amplifier, RF filter, mixer, driver amplifier, image filter, power amplifier, transmit-receive switch and if filter and so on.