RF front-end circuit and transceiver equipment
A radio frequency front-end and circuit technology, applied in the direction of electrical components, transmission systems, etc., can solve the problems of reduced transmission power of the transmitting module, low quality factor of the radio frequency transmission line, and improvement of the noise figure of the receiving module, so as to achieve the goal of increasing the transmitting power and reducing the noise figure Effect
Active Publication Date: 2021-12-07
SPREADTRUM COMM (SHANGHAI) CO LTD
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Problems solved by technology
[0004] In the above-mentioned RF front-end transceiver module, since the transmitting module and the receiving module share the same transmission line, and the quality factor (i.e. Q value) of the relatively long RF transmission line on the chip is low, the transmission power of the transmitting module is reduced, and the quality factor of the receiving module is low. Noise figure improvement
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[0058] In order to make the purpose, technical solutions and advantages of this application clearer, the technical solutions in this application will be clearly and completely described below in conjunction with the accompanying drawings in this application. Obviously, the described embodiments are part of the embodiments of the present invention , but not all examples. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0059] The terms "first", "second", "third", "fourth", etc. (if any) in the description and claims of the present invention and the above drawings are used to distinguish similar objects, and not necessarily Used to describe a specific sequence or sequence. The terms "comprising" and "having" and any variations thereof in this application are intended to cover a non-exclusive inclusion, for example, a...
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The application provides a radio frequency front-end circuit and a transceiver device. The radio frequency front-end circuit includes: a package body, a transmitting module and a receiving module. The package body has a first solder joint, a second solder joint and a third solder joint. The package body includes a first A first transmission line with a quality factor and a second transmission line with a second quality factor, wherein the first welding point is connected to the second welding point through the first transmission line, and the second welding point is also linked with the transmitting module; the first welding point is connected through the second welding point The second transmission line is connected to the third welding point, and the third welding point is also connected to the receiving module. It is used to increase the transmitting power of the transmitting module and reduce the noise figure of the receiving module.
Description
technical field [0001] The present application relates to the field of radio frequency front-end circuits, in particular to a radio frequency front-end circuit and transceiver equipment. Background technique [0002] Currently, electronic devices (eg, mobile phones, network devices) are usually provided with a radio frequency front-end transceiver module, wherein the radio frequency front-end transceiver module is used to receive signals from other devices or transmit signals to other devices. [0003] In the related art, the radio frequency front-end transceiver module includes: a printed circuit board (Printed Circuit Board, PCB) provided with an antenna, a package body including a transmission line, a receiving module and a transmitting module, wherein the printed circuit board and the package body The first welding point is connected, the second welding point of the package body is connected to the connection port, the connection port is connected to the transmitting mod...
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IPC IPC(8): H04B1/40
CPCH04B1/40
Inventor 聂礼通尹家文张旻琦栾国兵
Owner SPREADTRUM COMM (SHANGHAI) CO LTD