Antenna integrator

Abstract

An antenna integrator comprises a signal integration circuit module which is in signal connection between a plurality of signal input ports and a signal output port. The signal integration circuit module comprises a plurality of input circuit units used for inputting signals and a signal integration circuit unit in signal connection with the input circuit units. Each input circuit unit has an amplifier circuit and a circulator circuit. Each circulator circuit can transmit a signal from the amplifier circuit to the signal integration circuit unit and isolate a reflected signal from the signal integration circuit unit. The signal integration circuit unit can integrate signals from the input circuit unit and output the signals through the signal output port. Through the design of the signal integration circuit module, the isolation degree between the signal input ports can be greatly improved, and the signal stability can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a signal processing device, in particular to an antenna integrator. BACKGROUND

[0002] The main function of the antenna integrator is to provide a plurality of transmitters sharing an antenna, which can be used to integrate the signals of two transmitters into a single signal output, can simplify the antenna assembly engineering, and greatly reduce the interactive distortion problem of the transmission signal, and is one of the necessary devices of the antenna system.

[0003] In the design of the antenna integrator, in order to avoid signal interference between the signal ports, improve the signal stability of the high frequency band, and at the same time effectively protect the power amplifier, in addition to considering the isolation degree between the signal ports, the influence of the reflection of the circuit radiation in the shell on the signal modulation also needs to be considered.

[0004] In the isolation circuit design, the common design in the antenna integrator at present is to use Wilkinson circuit design. The Wilkinson power circuit made of PCB circuit board can provide an isolation degree of about -20~ -25dB. Since the isolation degree design of each signal port in the antenna integrator is usually as low as possible, that is, the lower the better, which is also the goal of many researchers. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at providing an antenna integrator which can provide better signal isolation degree.

[0006] The antenna integrator of the utility model comprises a shell, a plurality of signal input ports and signal output ports mounted on the shell, and a signal integration circuit module arranged in the shell and connected in signal between the signal input ports and the signal output ports.

[0007] Each of the signal input ports can be used for receiving input signals; and the signal output port can be used for outputting output signals.

[0008] The signal integration circuit module comprises a plurality of input circuit units respectively connected in signal with the signal input ports, and a signal integration circuit unit connected in signal between the input circuit units and the signal output port. Each of the input circuit units has an amplifier circuit for amplifying and processing the input signals into processed signals, and a circulator circuit for transmitting the processed signals to the signal integration circuit unit. Each of the circulator circuits can be used for isolating and processing the reflected signals from the signal integration circuit unit. The signal integration circuit unit can be used for integrating the processed signals from the input circuit units into the output signals, which are output through the signal output port.

[0009] The antenna integrator, each of the circulator circuits comprises a circulator connected in signal between the corresponding amplifier circuit and the signal integration circuit unit, and a signal terminator connected with the circulator, the circulator is used for transmitting the processed signal to the signal integration circuit unit, and is used for guiding the reflected signal to the signal terminator, and the signal terminator is used for isolating and processing the reflected signal.

[0010] The antenna integrator further comprises an electromagnetic wave absorber arranged in the shell and between the shell and the signal integration circuit module.

[0011] The antenna integrator, the signal integration circuit unit is a passive integrator.

[0012] The antenna integrator has the advantages that: through the structural design of the amplifier circuit and the circulator circuit of each input circuit unit of the signal integration circuit module, the isolation degree between the signal input ports can be greatly improved, and the signal stability can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Other features and effects of the antenna integrator will be clearly presented in the embodiments with reference to the accompanying drawings.

[0014] Fig. 1 It is a perspective view illustrating an embodiment structure of the antenna integrator;

[0015] Fig. 2 It is a perspective view illustrating the embodiment structure;

[0016] Fig. 3 It is a side sectional view illustrating the embodiment structure;

[0017] Fig. 4 It is a functional block diagram illustrating the functional architecture of the embodiment. DETAILED DESCRIPTION

[0018] Referring to Figs. 1-4 An embodiment of the antenna integrator 200 is suitable for signal connection between a plurality of transmitters (not shown in the figure) and a shared transmitting antenna (not shown in the figure), and can be used for transmitting the signals of the transmitters after integration through the shared transmitting antenna. The transmitters can be, for example but not limited to, UHF (Ultrahigh frequency) transmitters.

[0019] The antenna integrator 200 includes a metal housing 3, multiple signal input ports 4 mounted on the outer surface of the housing 3 for signal connection to the transmitters, a signal output port 5 mounted on the outer surface of the housing 3 for signal connection to the shared transmitting antenna, a signal integration circuit module 6 disposed in the housing 3 and signal-connected between the signal input ports 4 and the signal output port 5, and an electromagnetic wave absorber 7 disposed in the housing 3 and between the housing 3 and the signal integration circuit module 6. Each signal input port 4 can be used to conduct input signals from the corresponding transmitter.

[0020] The signal integration circuit module 6 includes multiple input circuit units 61 that are respectively signal-connected to the signal input port 4, and a signal integration circuit unit 62 that is signal-connected between the input circuit unit 61 and the signal output port 5.

[0021] Each input circuit unit 61 has an amplifier circuit 611 that is signal-connected to the corresponding signal input port 4, and a circulator circuit 612 that is signal-connected between the amplifier circuit 611 and the signal integration circuit unit 62. The amplifier circuit 611 can be used to amplify the input signal into a processed signal.

[0022] Each circulator circuit 612 can be used to transmit the processed signal output by the corresponding amplifier circuit 611 to the signal integration circuit unit 62, and to isolate the reflected signal from the signal integration circuit unit 62.

[0023] Each circulator circuit 612 includes a circulator 613 and a signal terminator 614 connected by signals. The circulator 613 is connected between the corresponding amplifier circuit 611 and the signal integration circuit unit 62, and can be used to transmit the corresponding processed signal to the signal integration circuit unit 62 and transmit the reflected signal to the signal terminator 614. The signal terminator 614 can be used to isolate the reflected signal.

[0024] By designing the circulator circuit 612 between each amplifier circuit 611 and the signal integration circuit unit 62, the isolation between the signal input ports 4 can be increased to less than -35dB, and the probability of each amplifier circuit 611 being damaged by reflected signals from the signal integration circuit unit 62 can be significantly reduced.

[0025] The signal integration circuit unit 62 can be used to integrate the processed signal from the input circuit unit 61 into an output signal, and transmit it to the shared transmitting antenna via the signal output port 5, whereby the shared transmitting antenna transmits it externally. In this embodiment, the signal integration circuit unit 62 can be, for example, but not limited to, a passive integrator.

[0026] The electromagnetic wave absorber 7 is used to shield between the signal integration circuit module 6 and the housing 3. It can absorb the electromagnetic waves radiated by the signal integration circuit module 6 and prevent the electromagnetic waves radiated by the signal integration circuit module 6 from being reflected in the housing 3, thereby causing the intermodulation characteristics of the signal integration circuit module 6 to deteriorate.

[0027] In this embodiment, the electromagnetic wave absorber 7 is designed as a sheet and is disposed between one of the walls of the signal integration circuit module 6 and the housing 3. However, in practice, the shape of the electromagnetic wave absorber 7 is not limited to this. Furthermore, since the electromagnetic wave absorber 7 can be used to absorb electromagnetic waves, which is a prior art and comes in many types, such as, but not limited to, electromagnetic wave shielding patches containing graphene, it will not be described in detail.

[0028] In summary, the structural design of the amplifier circuit 611 and circulator circuit 612 in each input circuit unit 61 of the signal integration circuit module 6 can significantly improve the isolation between the signal input ports 4, thereby contributing to improved signal stability. Therefore, the antenna integrator 200 of this utility model is indeed a highly innovative and convenient creation, and it truly achieves the purpose of this utility model.

[0029] The above description is merely an embodiment of this utility model and should not be construed as limiting the scope of this utility model. Any simple equivalent changes and modifications made in accordance with the claims and description of this utility model shall still fall within the scope of this utility model.

Claims

1. An antenna integrator comprising a housing, a plurality of signal input ports mounted to the housing, a signal output port mounted to the housing for outputting an output signal, and a signal integration circuit module disposed in the housing and signal connected between the signal input ports and the signal output port, each of the signal input ports being operable to receive an input signal, characterized by: The signal integration circuit module includes a plurality of input circuit units respectively connected to the signal input ports, and a signal integration circuit unit connected between the input circuit units and the signal output port. Each of the input circuit units has an amplifier circuit for amplifying the input signals into processed signals, and a circulator circuit for transmitting the processed signals to the signal integration circuit unit. Each of the circulator circuits is capable of isolating the reflected signals from the signal integration circuit unit. The signal integration circuit unit is capable of integrating the processed signals from the input circuit units into the output signal, which is outputted through the signal output port.

2. The antenna integrator of claim 1, wherein: Each of the circulator circuits includes a circulator connected between the corresponding amplifier circuit and the signal integration circuit unit, and a signal terminator connected to the circulator. The circulator is capable of transmitting the processed signals to the signal integration circuit unit, and directing the reflected signals to the signal terminator. The signal terminator is capable of isolating the reflected signals.

3. The antenna integrator of claim 1, wherein: The antenna integrator further includes an electromagnetic wave absorber disposed in the housing and between the housing and the signal integration circuit module.

4. The antenna integrator of claim 1, wherein: The signal integration circuit unit is a passive integrator.

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