...电流切换式(current-commutating)的四相位调变器(quadrature modulator)时，会在本地震荡器 频率 ( local oscillator frequency )的三倍、五倍、七倍频等处产生多馀的信号频谱，因此我们需要在四相位调变器之后多加一个谐波滤波器 (harmonic rejection tilter...
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variable frequency local oscillator 变频本振器
radio frequency local oscillator input 射频本振信号输入 ; 一本振输入
radio frequency local oscillator 本振射频接收信号 ; 射频本振
intermediate frequency local oscillator positive 中频本振正信号
intermediate frequency local oscillator negative 中频本振负信号
local flow oscillator frequency 本机振荡频率
The phase detecting error caused by local oscillator frequency drift and non-synchronization of measurement signal and gate signal is eliminated and the measurement speed is improved at the same time.
该方法可以有效的消除因本振信号频率漂移及闸门信号与被测信号的非同步引起的测相误差，同时提高了测量速度。
Frequency Synthesizer (FS) is a very important block, which is used in a wireless transceiver as a local oscillator for frequency translation and channel selection.
频率合成器是射频收发机中非常重要的模块，是用于频率转换和频道选择的本地振荡源。
Single frequency source is usually used as local oscillator in communication system and radar system, also as a reference clock in digital circuits, so it is a extensive-applied technique.
固定频率源可以在在通讯系统和雷达系统中作为本机振荡器，也可以作为数字电路的基准时钟信号，因此得到了广泛的应用。
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