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Radio frequency signal peak detector

A radio frequency signal and detector technology, applied in the field of radio frequency signal peak detectors, can solve the problems of complex structure and high production cost, and achieve the effects of small layout area, simple structure and high input impedance

Inactive Publication Date: 2015-12-23
格兰康希通信科技(上海)股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

RF transmitters usually require a power / peak detector to monitor and control the output power, but the structure of the existing RF transmitter peak detector is relatively complicated and the production cost is high

Method used

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Examples

Experimental program
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no. 1 example

[0023] like figure 1 The first embodiment shown in the present invention includes: the negative pole of the coupling capacitor C1 is used as the radio frequency coupling input terminal P1 (PTAP) of the radio frequency signal peak detector, the positive pole of the coupling capacitor C1 is connected to one end of the first resistor R1, and the first resistor The other end of R1 is connected to one end of the second resistor R2 and one end of the fourth resistor R4;

[0024] The other end of the second resistor R2 is connected to the cathode of the diode D, and the anode of the diode D is grounded;

[0025] The other end of the fourth resistor R4 is used as the RF coupling output terminal P2 of the RF signal peak detector and is grounded through the low-pass capacitor C2;

[0026] like figure 2 The difference between the second embodiment provided by the present invention and the first embodiment is that it further includes a third resistor R3, one end of which is connected b...

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PUM

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Abstract

Disclosed in the invention is a radio frequency signal peak detector. The detector is characterized in that a negative electrode of a coupling capacitor is used as a radio frequency coupling input terminal of the detector; a positive electrode of the coupling capacitor is connected to one end of a first resistor; the other end of the first resistor is connected to one end of a second resistor, one end of a third resistor, and one end of a fourth resistor; the other end of the second resistor is connected to a negative electrode of a diode and a positive electrode of the diode is grounded; the other end of the third resistor is grounded; and the other end of the fourth resistor serves as a radio frequency coupling output terminal of the radio frequency signal peak detector and is grounded by a low-pass capacitor in a filtering mode. Compared with the existing radio frequency signal peak detector, the provided radio frequency signal peak detector has advantages of simple structure and low manufacturing cost.

Description

technical field [0001] The invention relates to the field of integrated circuits, in particular to a radio frequency signal peak detector. Background technique [0002] Radio Frequency Radio Frequency, referred to as RF radio frequency is radio frequency current, which is an abbreviation of high-frequency alternating electromagnetic waves. The alternating current that changes less than 1,000 times per second is called low-frequency current, and the one that changes more than 10,000 times is called high-frequency current, and radio frequency is such a high-frequency current. Radio frequency technology plays an extensive and irreplaceable role in the field of wireless communication. A radio frequency transmitter usually needs a power / peak detector to monitor and control the output power, but the structure of the peak detector of the existing radio frequency transmitter is relatively complicated, and the production cost is relatively high. Contents of the invention [0003]...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R19/04
Inventor 何山暐赵奂
Owner 格兰康希通信科技(上海)股份有限公司