![]() ![]() The phase coherent definition also holds true for Holzworth's ultra stable, non-PLL designs when multiple synthesizers are clocked by one reference signal. The direct analog system simply switches/routes the desired frequency to the RF output port. This absolutely holds true for direct analog designs as all frequencies are ever present and precisely related to the reference clock. ![]() Phase coherency in synthesizers defines a precise phase relationship between multiple frequency sources while being clocked by the same reference signal. This is very useful for radar frequency hopping and is more universally referred to as "phase memory". Due to the nature of the direct analog architecture, the term has also been adopted to define a synthesizer's ability to maintain the phase of a frequency after a frequency change so that upon returning to said frequency, its original phase trajectory is unaltered. "Phase Coherency" is a term that is commonly used to define how direct analog synthesizers operate. One of the many important performance advantages is known as Phase Coherency, which is directly related to the incredible, relative channel-to-channel phase/frequency stability that the Holzworth synthesizers provide in a multi-channel configuration. Holzworth's proprietary non-PLL based RF synthesis architectures offer many unique performance advantages over more traditional PLL based synthesizer designs. #Phase coherence series#Categories: Applications, Synthesizers PHASE COHERENCY HSM Series & HS9000 Series RF Synthesizers ![]()
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