31results about How to "Guaranteed RF performance" patented technology

The embodiment of the invention discloses a signal interference processing method and device, and a mobile terminal. The method is applied to the mobile terminal. The mobile terminal comprises a radiofrequency module and a touch module. The method comprises the steps of: obtaining radio frequency enable signals emitted by the radio frequency module and touch scanning signals of the touch module;and if the radio frequency enable signals and the touch scanning signals have signal overlapping on a time domain, the touch scanning signals are regulated to allow the touch scanning signals and theradio frequency enable signals to be staggered on the time domain. According to the embodiment of the invention, the touch scanning signals sent by the touch module are only needed to be regulated toeffectively avoid the signal overlapping of the touch scanning signals and the radio frequency enable signals on the time domain so as to avoid the interference problem caused by the simultaneous working of the radio frequency module and the touch module and ensure the radio frequency performance of the radio frequency module.

The invention provides an easy-to-bend flexible transmission line, which comprises metal grounds, a signal layer and a dielectric layer, wherein a plurality of metal grounds form a multilayer structure of the transmission line, the dielectric layer is filled among the plurality of metal grounds, the signal layer is embedded into the dielectric layer, and the top metal ground located on the top surface of the dielectric layer and the bottom metal ground located on the bottom surface of the dielectric layer are provided with buffer holes in the bending area. According to the transmission line provided by the invention, windowing copper reduction design is carried out in a bending area, so that on the premise of ensuring the radio frequency performance of a flexible transmission line, the flexible transmission line can complete required bending processing, and the process difficulty can also be reduced through copper reduction in the bending area; and the problems that a traditional flexible transmission line is large in resilience force and bending difficulty and inconvenient to bend are solved.

The present invention is a non-radio frequency test seat signal test system with a symmetrical tuning unit, which is applied to a test system without a radio frequency test seat; when in use, a radio frequency test probe, a symmetrical tuning unit and a test instrument module are used, and the radio frequency test probe connects the antenna The matching circuit is connected to the symmetrical tuning unit, the symmetrical tuning unit is connected to the test instrument module, the symmetrical tuning unit is used to match the antenna matching circuit, and a symmetrical two-port radio frequency path is formed between the radio frequency chip and the test instrument. The symmetrical tuning unit and the antenna matching circuit form a symmetrical radio frequency path, which ensures that the return loss of the two directions of the radio frequency path is very close, so as to achieve the purpose of ensuring the authenticity of the detection effect when detecting from one direction, and ensure the dual-port network of the entire radio frequency path Excellent RF performance, on the basis of reducing RF test sockets, reduces the operational complexity of impedance matching, saves adjustment time and verification time, and ensures the effectiveness of the detection effect.

The invention discloses a low-cost radio frequency differential amplifier. The differential amplifier comprises an input balun, a differential radio frequency circuit, and an output balun, wherein the input balun is used for outputting an input radio frequency single-ended signal by converting the same into a balancing mode from an unbalancing mode by use of two sub-baluns so as to obtain a differential signal required by the differential radio frequency circuit; the differential radio frequency is used for amplifying the balanced radio frequency signal output by the input balun; and the output balun is used for outputting the balanced radio frequency signal, which is output by the different radio frequency circuit, by converting the same into the unbalancing through two sub-baluns. By use of the differential amplifier disclosed by the invention, the layout of the system is compact while the radio frequency performance of the circuit is guaranteed, the chip area around an active device is sufficiently utilized, and the cost is effectively lowered.

The invention discloses a power line and a household appliance therewith. The power line comprises a power line body, a wireless communication element and a plug. The power line body comprises a powerline harness and a communication line harness. The plug is connected with the power wire harness, and the wireless communication element comprises a housing with an accommodation cavity and a wireless communication module arranged in the accommodation cavity. The housing is arranged on the power line body, and the communication line harness extends into the accommodation cavity to be connected with the wireless communication module. A part of the power line harness is located in the accommodation cavity and is separated from the wireless communication module. According to the embodiment of the invention, the power line can protect the communication of the wireless communication element from being influenced by the electromagnetic radiation interference of the electric equipment, enables the communication of the wireless communication element to be stable and reliable, can enable the wireless communication element to have enough installation space, guarantees the radio frequency performance of the wireless communication element, improves the antenna efficiency of the wireless communication element, is lower assembly difficulty of the wireless communication element, and is high in operability.

The invention discloses a mobile terminal. The mobile terminal comprises a shell, a printed wiring board, a metal frame, a first connector, a second connector and a first antenna, wherein the metal frame encircles the shell and comprises a first frame, a second frame and a third frame, the first frame is provided with a first gap, the first connector is connected with the first frame on the first gap, the second connector is connected with the third frame and a ground end of the printed wiring board separately, the first antenna comprises a first antenna main radiation body, a first part, a second part, a first inductor, a third part, a fourth part and a fifth part, the first part parallel to the first frame is connected with the first connector, the second part parallel to the third frame is connected with the first part, the first inductor is connected with the second part and the ground end of the printed wiring board separately, the third part is arranged under the second part and is parallel to the second part, one end of the third part is suspended, the fourth part parallel to the first part is connected with a second inductor and the third part separately, and the fifth part parallel to the first part is connected with the second inductor and a first feeding end of the printed wiring board separately. By the mobile terminal, the antenna cost is reduced, and the mobile terminal is convenient and flexible to debug. The invention also discloses an antenna of the mobile terminal.