Power measurement circuit of high-power radio frequency signal
A radio frequency signal and power measurement technology, applied in the direction of measuring electric power, measuring electric variables, measuring devices, etc., can solve the problem that high-power radio frequency signals cannot be directly measured, and achieve the effect of avoiding high-frequency interference and improving measurement accuracy.
Pending Publication Date: 2021-07-13
KUNMING UNIV OF SCI & TECH
View PDF0 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0003] The technical problem to be solved by the present invention is to provide a power measurement circuit for high-power radio frequency signals, which solves the problem that ordinary radio frequency signals can be directly measured, but high-power radio frequency signals cannot be directly measured. Attenuation circuit, and 8-bit digital-to-analog conversion device is used to improve the measurement accuracy. The components used in the circuit are commonly used components, which saves costs
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0022] The present invention will be further described below in combination with the accompanying drawings and specific embodiments.
[0023] A power measurement circuit for high-power radio frequency signals. Firstly, the high-power radio frequency signal is attenuated, and the signal power is controlled within the acceptance range of the diode detection circuit. Power, so as to realize the power measurement of high-power RF signals.
[0024] Specifically include:
[0025] Attenuation circuit 1, the AT2-IN terminal of the attenuation circuit 1 is connected to a high-power radio frequency signal, and the external device controls the Control terminal, and a two-way voltage divider circuit is formed by the resistor R16 and the variable resistor VR9, and the high-power radio frequency signal to attenuate.
[0026] DC amplifying circuit 2, the DC amplifying circuit 2 is connected to the attenuating circuit 1, the output voltage of the attenuating circuit 1 is very weak after bei...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention relates to a power measurement circuit of a high-power radio frequency signal, and belongs to the technical field of power measurement of radio frequency signals. The circuit comprises an attenuation circuit, a direct-current amplification circuit and a voltage conversion circuit, the attenuation circuit is connected with the direct-current amplification circuit, and the direct-current amplification circuit is connected with the voltage conversion circuit. According to the invention, an effective, simple and feasible scheme is provided for power measurement of high-power radio frequency signals. In addition, the circuit also has a very low measurement error, and components adopted in the circuit are mature components, so that the circuit has relatively high performance to a certain extent, and the invested cost can be reduced.
Description
technical field [0001] The invention relates to a power measurement circuit of a high-power radio frequency signal, belonging to the technical field of power measurement of radio frequency signals. Background technique [0002] With the continuous progress of society, the ways for people to obtain information are also increasing, and the transmission of radio frequency signals is also a way of information transmission. As an important part of radio frequency monitoring, the power parameter of the radio frequency signal shows the transmission quality and transmission status of the radio frequency signal in real time, which is convenient for the transmitter to adjust in real time according to the monitoring situation. In the actual situation, there are often many high-power RF signals, and the increase in power also poses difficulties for our measurement. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a power mea...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Applications(China)
IPC IPC(8): G01R21/00
CPCG01R21/00
Inventor 邵玉斌唐维康龙华杜庆治杨贵安刘晶陈亮
Owner KUNMING UNIV OF SCI & TECH