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Differentiate between frequency generator and frequency synthesizer
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written 2.5 years ago by | • modified 2.5 years ago |
Frequency Generator | Frequency Synthesizer |
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It is simpler device than frequency synthesizer that generated signal with fixed parameter. | Frequency synthesizer is a complex system that uses frequency multipliers and dividers, mixers and bandpass filter to generate desired frequency. |
A simple frequency generator usually has a tunable oscillator over a specified band meaning you can tune the frequency to any within the band | Frequency synthesizers cannot tune smoothly over a band, they only sit on the preset frequencies. |
System is less stable | System is more stable |
Contains high phase noise than synthesizer. | Contains lower phase noise than frequency generator. |
Associated components are Oscillator, VCO, Modulator and Variable attenuation | Associated components are Mixers Multipliers, Dividers, Filters. |
Frequency generator is mainly used in various embedded circuits as clock reference. | Frequency synthesizer is used for RF channel selections in various modem and rf transceivers. |