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Current-form wireless receiving system in current form and wireless receiving method

A wireless receiving and formal technology, applied in the direction of transmission system, electrical components, etc., can solve the problem that it is not suitable for operating in a low working voltage environment

Active Publication Date: 2013-09-04
REALTEK SEMICON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the aforementioned two types of systems are obviously not suitable for operation in low operating voltage environments.

Method used

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  • Current-form wireless receiving system in current form and wireless receiving method
  • Current-form wireless receiving system in current form and wireless receiving method
  • Current-form wireless receiving system in current form and wireless receiving method

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Embodiment Construction

[0037] The foregoing and other technical contents, features and effects of the present invention will be clearly presented in the following detailed description of the two preferred embodiments with reference to the drawings.

[0038] Before the present invention is described in detail, it is noted that in the following description, similar elements are designated by the same reference numerals.

[0039] first preferred embodiment

[0040] see figure 1 , the first preferred embodiment of the current form wireless receiving system 100 of the present invention includes an antenna 1 , a pre-processor 2 , a mixer 3 and an amplifier 4 that are electrically connected in sequence.

[0041] The pre-processor 2 receives an input signal through the antenna 1, and adjusts based on the input signal to send a pre-signal. And the mixer 3 down-converts the pre-signal into a down-converted signal. The amplifier 4 further enhances the gain of the down-converted signal to send an output sign...

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PUM

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Abstract

The invention provides a wireless receiving system in a current form and a wireless receiving method. The wireless receiving system comprises a preprocessor, a mixer and an amplifier, wherein, the preprocessor receives a current-form input signal and then adjusts the input signal so as to send out a current-form pre-signal; the mixer down-converts on the pre-signal to form a current-form down-converted signal; and the amplifier increases the gain of the down-conversed signal so as to send out a current-form output signal.

Description

technical field [0001] The present invention relates to a wireless receiving system, in particular to a wireless receiving system in the form of electric current. Background technique [0002] Common wireless receiving systems can be roughly divided into two categories: the first type is that all components in the system transmit signals in the form of voltage, and the second type is a mixed-use form, that is, some components are transmitted in the form of voltage and others are in the form of current. . [0003] Since the signal flow of the first type of system is in the form of voltage, a higher working voltage must be provided to support the signal operation space to avoid clipping phenomenon, but the power consumption is relatively large. Moreover, when there is a requirement for high gain, a plurality of cascaded transistors must be used to realize an amplifier in the form of voltage, which not only damages the linearity, but also brings out too much low-frequency nois...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B1/16
Inventor 林盈熙张益韶
Owner REALTEK SEMICON CORP