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Superregenerative receiver and signal processing method for superregenerative receiver

A technology of super regenerative receiver and super regenerative oscillator, applied in electrical components, transmission systems, etc., can solve the problem of inaccurate comparison results

Active Publication Date: 2014-05-28
HANGZHOU VANGO TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of this, the present invention provides a super-regenerative receiver to overcome the problem of inaccurate comparison results in the prior art when the input signal has a large variation range

Method used

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  • Superregenerative receiver and signal processing method for superregenerative receiver
  • Superregenerative receiver and signal processing method for superregenerative receiver
  • Superregenerative receiver and signal processing method for superregenerative receiver

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Embodiment Construction

[0026] For reference and clarity, descriptions, abbreviations or abbreviations of technical terms used in the following text are summarized as follows:

[0027] OOK: On-Off Keying, binary on-off keying.

[0028] 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.

[0029] The invention provides a super-regenerative receiver, which is characterized in that it includes: a low-noise amplifier with variable gain, a super-regenerative oscillator, an envelope detector and an RSSI detection circuit. Wherein, the super regener...

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Abstract

The invention provides a superregenerative receiver which is characterized by comprising a gain-variable low-noise amplifier, a superregenerative oscillator, an envelope detector and an RSSI (received signal strength indicator) detection circuit, wherein the superregenerative oscillator is connected with the low-noise amplifier and is used for oscillating an output signal of the low-noise amplifier; the envelope detector is connected with the superregenerative oscillator and is used for demoldulating an output signal of the superregenerative oscillator; the RSSI detection circuit is connected with the envelop detector and is used for detecting the signal intensity of an output signal of the envelop detector and sending the signal intensity to the low-noise amplifier. The low-noise amplifier in the superregenerative receiver provided by the invention can perform gain amplification according to the intensity of the received signal, and a comparison result is accurate.

Description

technical field [0001] The invention relates to the technical field of electronic circuits, and more specifically, relates to a super-regenerative receiver and a signal processing method of the super-regenerative receiver. Background technique [0002] At present, super-regenerative receivers mostly use OOK modulation, and its core is a high-frequency oscillator controlled by intermittent oscillation. When a control signal arrives, the circuit resonates, and the high-frequency oscillator starts to oscillate. The establishment speed of the oscillation process and the length of the intermittent time are controlled by the amplitude of the received signal. Therefore, the amplitude of the input signal can be obtained by detecting the envelope of the intermittent oscillation, and then it can be determined whether the input signal is "1" or "0" by comparing it with a preset fixed parameter. [0003] However, in the prior art, when the input signal is too strong or too weak, the e...

Claims

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Application Information

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IPC IPC(8): H04B1/16
Inventor 虞小鹏胡长辉谭年熊
Owner HANGZHOU VANGO TECH
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