Wide-band high-speed frequency hopping frequency synthesizer and working method thereof
A frequency synthesizer and frequency hopping frequency technology, applied in the direction of automatic power control, electrical components, etc., can solve the problems of complex circuits and few applications, and achieve the effects of simple circuits, high integration, and short frequency conversion time.
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[0040] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0041] An embodiment of the present invention provides a broadband high-speed frequency hopping frequency synthesizer, such as figure 1 As shown, the frequency synthesizer includes: a first oscillator 1, a phase-locked loop circuit 2, an active loop filter 3, a voltage-controlled oscillator 4, a first direct digital frequency synthesizer 5, a first filter 6. A second direct digital frequency synthesizer 7 , a second filter 8 and an IQ modulator 9 .
[0042] W...
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