Controllable gain amplifier and control method

A technology of gain amplifier and gain amplification, which is applied in the direction of gain control, amplification control, improving the amplifier to expand the bandwidth, etc. It can solve the problems of small bandwidth range, single gain control mode, and low precision, and reach the operating frequency bandwidth range big effect

Pending Publication Date: 2019-10-22
XIAMEN UNIV TAN KAH KEE COLLEGE
View PDF6 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The controllable gain amplifiers currently on the market have problems such as single gain control mode, low precision, and small bandwidth range.

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 more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Controllable gain amplifier and control method
  • Controllable gain amplifier and control method
  • Controllable gain amplifier and control method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0032] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0033] Please refer to figure 1 , the present invention provides a controllable gain amplifier, including MSP540 single-chip microcomputer, power supply module, keyboard module, display module, gain amplification module, button module and DIP switch module; described MSP540 single-chip computer and gain amplification module, power supply module, keyboard module and The display module is connected separately; the gain amplification module is also connected with the button module and the DIP switch module respectively.

[0034] In this example, refer to figure 2 , The controllable gain amplifier has differential input and differential output of channels A and B, and channels A and B have independent power-down functions. Transformers T1-T4 in the system can provide both impedance matching and single-ended to differential conversion. , The turns ratio ...

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

No PUM Login to view more

Abstract

The invention relates to a controllable gain amplifier, which is characterized by comprising a single-chip microcomputer module, a power supply module, a keyboard module, a display module, a gain amplification module, a key module and a DIP switch module. The single-chip microcomputer module is connected with the gain amplification module, the power supply module, the keyboard module and the display module. And the gain amplification module is also connected with the key module and the DIP switch module respectively. According to the gain amplifier, different gain modes can be adjusted according to actual conditions.

Description

technical field [0001] The invention relates to the technical field of wireless communication, in particular to a controllable gain amplifier and a control method. Background technique [0002] With the rapid development of electronic technology and the continuous improvement of modern communication and communication technology, wireless communication technology is becoming more and more mature. In recent years, the application of wireless communication in various fields has become more and more common, and people require more accurate signal conditioning, low power consumption, high frequency and high bandwidth. The controllable gain amplifiers currently on the market have problems such as single gain control mode, low precision, and small bandwidth range. Contents of the invention [0003] In view of this, the object of the present invention is to provide a controllable gain amplifier and a control method, which can realize adjusting different gain modes according to ac...

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
no application Login to view more
Patent Type & Authority Applications(China)
IPC IPC(8): H03G3/20H03F1/42H03K17/16
CPCH03G3/20H03F1/42H03K17/16
Inventor 任欢郑琳潇张亮烽
Owner XIAMEN UNIV TAN KAH KEE COLLEGE
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap