Unlock instant, AI-driven research and patent intelligence for your innovation.

Active balun

A balanced transformer and balanced technology, applied in balanced-unbalanced networks, electrical components, transmission systems, etc., can solve the problems of insufficient high dynamic range solutions and high power consumption, and achieve the effect of easy implementation and low total current consumption

Inactive Publication Date: 2018-06-08
HUAWEI TECH CO LTD
View PDF5 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Disadvantages of active baluns are: they are non-linear, e.g. IIP3 > 0dBm may not be sufficient for high dynamic range solutions; and active baluns have high power dissipation, e.g. about 21mW

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
  • Active balun
  • Active balun
  • Active balun

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0067] The following detailed description is presented in conjunction with the accompanying drawings, which form a part hereof, and show by way of illustration specific aspects in which the invention may be practiced. It is to be understood that other aspects may be utilized and structural or logical changes may be made without departing from the scope of the present invention. Accordingly, the following detailed description is not to be taken as limiting, but the scope of the present invention is defined by the appended claims.

[0068] It should be understood that notes related to a described method also apply to a corresponding device or system for performing the method, and vice versa. For example, if certain method steps are described, a corresponding device may include means for performing the described method steps, even if such means are not explicitly described or illustrated in the figures. Furthermore, it should be understood that the features of the various exempl...

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 disclosure relates to an active balun (300), including: a first terminal (303); a second terminal (305, 306); a first transistor (M1) comprising a first current path (D1-S1, lDS) and a control path (G1-S1, VGS) for controlling the first current path (D1-S1, lDS), wherein the first current path (D1-S1, lDS) is coupled between the first terminal (303) and the second terminal (305, 306) and the control path (G1-S1, VGS) is coupled between a reference potential (304b, G1) and the first terminal (303, S1); and an inverter (301) comprising a second current path (S2-D2-D3-S3), wherein the secondcurrent path (S2-D2-D3-S3) is coupled in parallel to the first current path (D1-S1) of the first transistor (M1).

Description

technical field [0001] The invention relates to an active balanced-unbalanced transformer, in particular to an active balanced-unbalanced transformer with reduced power consumption and enhanced linearity. Background technique [0002] Baluns can be used in communication, for example for figure 2 In the radio frequency transceiver 200 described, the single-ended antenna RF signals 223, 224 are converted into differential signals 221, 222 at the integrated circuit (integrated circuit, RFIC) 201 in the RF transceiver 200, and vice versa. Baluns 205, 207 are applied to the transmit and receive channels. Off-chip baluns based on magnetically coupled transformers have been popular in the past. This type of balun ( figure 2 Not described) placed on the board between the antenna 215 and the low-noise amplifier (low-noise amplifier, LAN) 211 on the receive path and / or placed on the transmit path between the power amplifier (power amplifier, PA) 209 and the antenna 215 between the...

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): H03H11/32H04B1/04H04B1/18
CPCH03H11/32H04B1/0458H04B1/18H03F3/265H03F3/30H03F3/193H03F2200/451
Inventor 德罗尔·雷格夫希米·西隆多伦·埃兹里
Owner HUAWEI TECH CO LTD