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Prescaler and frequency divider

A prescaler and flip-flop technology, applied in the direction of electrical components, automatic power control, etc., can solve problems such as poor flexibility

Pending Publication Date: 2020-09-25
XIAN BORUI JIXIN ELECTRONICS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The embodiment of the present invention provides a prescaler and a frequency divider, which can solve the problem of poor flexibility of the prescaler for prescaler processing

Method used

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  • Prescaler and frequency divider
  • Prescaler and frequency divider
  • Prescaler and frequency divider

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Embodiment Construction

[0012] The following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0013] The terms "first" and "second" in the description and claims of the embodiments of the present application are used to distinguish different objects, rather than to describe a specific order of objects. For example, the first coupling line and the second coupling line are used to distinguish different media files, rather than describing a specific order of the media files.

[0014] In the description of the embodiments of the present application, unless ...

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Abstract

The embodiment of the invention discloses a prescaler and a frequency divider. The prescaler comprises a first trigger, M second triggers connected with the first trigger, a third trigger connected with the first trigger and the M second triggers, and at least one switch group, and M is a positive integer. The input ends of the first trigger, the M second triggers and the third trigger are all connected with an input signal; the differential output end of the first trigger is connected with the differential input end of the first second trigger of the M second triggers through one of the at least one switch group. The embodiment of the invention provides the prescaler which can solve the problem that a conventional prescaler is poor in flexibility of prescaler processing.

Description

technical field [0001] Embodiments of the present invention relate to the field of radio frequency integrated circuits, and in particular to a prescaler and a frequency divider. Background technique [0002] The prescaler is one of the important components of the frequency divider. The prescaler can prescale a signal (such as a high-frequency clock signal) to divide the high-frequency clock signal into another signal. (such as a low-frequency clock signal), so that the low-frequency clock signal can be compared with a reference clock signal. Usually, if a signal is a high-band signal, it can be prescaled by a prescaler (such as an 8 or 9 dual-mode prescaler); or, if a signal is a low-band signal, it can be prescaled by Another prescaler (for example, a 4 or 5 dual-mode prescaler) performs prescaler processing to perform frequency division processing on signals with different frequency division ratios, so as to improve the frequency division effect of the prescaler. [0003...

Claims

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Application Information

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IPC IPC(8): H03L7/18
CPCH03L7/18
Inventor 王三路
Owner XIAN BORUI JIXIN ELECTRONICS TECH
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