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Receiving and transmitting integrated multifunctional circuit

A multi-functional circuit and circuit technology, applied in electrical components, transmission systems, etc., can solve the problem that separate single-function MMIC circuits cannot meet the requirements of miniaturization and batch engineering, and achieve improved power output capability and operating temperature stability. High, simple structure

Active Publication Date: 2015-06-17
THE 13TH RES INST OF CHINA ELECTRONICS TECH GRP CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] With the requirements of high power output, miniaturization and batching of phased array T / R components, the separate single-function MMIC circuits currently used in this system cannot meet the requirements of miniaturization and batch engineering

Method used

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  • Receiving and transmitting integrated multifunctional circuit
  • Receiving and transmitting integrated multifunctional circuit
  • Receiving and transmitting integrated multifunctional circuit

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0031] Such as figure 1 As shown, a transceiver integrated multifunctional circuit includes an antenna-end channel selection switch circuit, a receive channel low-noise amplifier circuit, a drive-end channel selection switch circuit, a transmit channel power amplifier circuit, and a transceiver branch power control circuit. The channel selection switch circuit at the antenna end is an asymmetric switch circuit, the channel selection switch circuit at the drive end is a symmetrical switch topology circuit, the low noise amplifier circuit of the receiving channel is a resistance bridge bias circuit, and the power amplifier of the transmitting channel The circuit is an active bias circuit.

[0032] Such as figure 2 As shown, the receiving channel low noise amplifier circuit includes microstrip lines MS1-MS5, resistors Rb1-Rb2, resistors Rd, resistors Rs, resistors Rg, capacitor Ci, capacitor Co, capacitor Cs and field effect transistor T1. The input terminal of the receiving ...

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PUM

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Abstract

The invention discloses a receiving and transmitting integrated multifunctional circuit which relates to the technical field of receiving and transmitting dual-purpose microwave monolithic integrated circuits. The receiving and transmitting integrated multifunctional circuit comprises an antenna end channel selection switching circuit, a receiving channel low noise amplifier circuit, a drive end channel selection switching circuit, a transmitting channel power amplifier circuit and a receiving and transmitting branch power control circuit, wherein the antenna end channel selection switching circuit is an asymmetric switching circuit; the drive end channel selection switching circuit is a symmetric switching topological structural circuit; the receiving channel low noise amplifier circuit is a resistance bridge biasing circuit; and the transmitting channel power amplifier circuit is an active biasing circuit. The circuit has the characteristics of complicated integration functions, good batch production amplitude and phase equalization, high working temperature stability, high output power and the like.

Description

technical field [0001] The invention relates to the technical field of microwave monolithic integrated circuits for transmitting and receiving. Background technique [0002] As a component, the integrated multifunctional circuit of transceiver with watt-level power output is widely used in microwave and millimeter wave phased array systems. Figure 15 It is a schematic diagram of a simplified phased array T / R component. The system includes a transceiver integrated multifunctional circuit 210 and an amplitude and phase control multifunctional circuit 220. The two multifunctional circuits implement a phased array T / R unit to realize Sending and receiving amplification function and amplitude and phase control of transmission signal. The transceiver integrated multifunctional circuit 210 includes five functional units including an antenna-side channel selection switch circuit 211, a receive channel low-noise amplifier circuit 212, a transmit channel power amplifier circuit 214, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B1/40H04B1/401
Inventor 刘永强方园高学邦吴洪江韩芹曾志刘如青李富强杨中月姜鹏魏洪涛
Owner THE 13TH RES INST OF CHINA ELECTRONICS TECH GRP CORP
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