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Power supply time sequence abnormity device and control method thereof

A timing and power technology, applied in electrical components, transmission systems, etc., can solve problems such as abnormal RF output and receivers not working properly, and achieve the effect of improving adaptability, enhancing product competitiveness, and reducing costs

Active Publication Date: 2021-07-09
HEBEI JINGHE ELECTRONICS TECH
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  • Description
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Problems solved by technology

In the practical application of the above technology, when the timing of the external power supply is complex or uncertain, the down-conversion processing unit will lose lock when the external power is frequently powered on or the power supply is stepped up, resulting in abnormal RF output in the entire RF module and the receiver cannot work normally.

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  • Power supply time sequence abnormity device and control method thereof

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Embodiment Construction

[0023] The technical solutions of the present invention will be clearly and completely described below through specific embodiments. Apparently, the described embodiments are only some 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.

[0024] like figure 1 As shown, the device for abnormal power sequence includes: input power supply (1), reset module (2), power switch (3), radio frequency signal input (5), power divider (6), amplifier ( 7), filter (8), down-conversion processing unit (4), intermediate frequency amplifier (10), reference unit (9), intermediate frequency signal output (11); input power supply (1) is respectively electrically connected to power switch (3), The reset module (2) and the reference unit (9), the radio frequency signal input (5) s...

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Abstract

The invention relates to the technical field of signal time sequence, in particular to a power supply time sequence abnormity device and a control method thereof, an input power supply is electrically connected with a power supply switch, a reset module and a reference unit respectively, and radio frequency signal input passes through a power divider, an amplifier, a filter, a down-conversion processing unit and an intermediate frequency amplifier in sequence to intermediate frequency signal output, the reference unit and the power switch are electrically connected with the down-conversion processing unit, and the reset module is electrically connected with the power switch. According to the invention, the problem that the down-conversion processing unit loses lock due to the time sequence of the external power supply in the radio frequency module is effectively solved.

Description

technical field [0001] The invention relates to the technical field of signal timing, in particular to a device for abnormal timing of a power supply and a control method thereof. Background technique [0002] At present, the principle of the radio frequency module used by the receiver is that the radio frequency input signal passes through the power splitter, amplifier, filter, down-conversion processing unit, and intermediate frequency amplifier to output the intermediate frequency signal in sequence. The down-conversion processing unit has power input and power input respectively through the reference The unit enters the down conversion processing unit. In the practical application of the above technology, when the timing of the external power supply is complex or uncertain, the down-conversion processing unit will lose lock when the external power is frequently powered on or the power supply is stepped up, resulting in abnormal RF output in the entire RF module and the r...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B1/16
CPCH04B1/1607
Inventor 任侃侃史剑锋燕官锋张志龙成传湘梁广军白洁
Owner HEBEI JINGHE ELECTRONICS TECH
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