5G communication multichannel signal transmission system

文档序号:1245776 发布日期:2020-08-18 浏览:21次 中文

阅读说明:本技术 一种5g通讯多通道信号传输系统 (5G communication multichannel signal transmission system ) 是由 刘莹雪 于 2020-04-24 设计创作,主要内容包括:本发明公开了一种5G通讯多通道信号传输系统,包括信号采样模块、移相调频模块,所述信号采样模块对5G通讯多通道信号采样,信号采样模块连接移相调频模块,移相调频模块运用三极管Q2的发射极信号也是直接触发调频电路的,而运放器AR2输出信号经可变电阻RW2分压,然后运用三极管Q3、三极管Q4、电容C4、电容C5组成稳压电路进一步调节信号波形,最后运用三极管Q5、电感L4和电容C6-电容C8组成调频电路调节信号频率,电感L4滤除信号中的高频分量,电容C4、电容C8滤除信号中的低频分量,而三极管Q2发射极信号为三极管Q5集电极提高基础信号,5G通讯多通道信号传输系统终端接收触发信号能够及时主动对多通道信号频率匹配。(The invention discloses a 5G communication multichannel signal transmission system, which comprises a signal sampling module and a phase-shifting frequency modulation module, wherein the signal sampling module is used for sampling a 5G communication multichannel signal, the signal sampling module is connected with the phase-shifting frequency modulation module, the phase-shifting frequency modulation module directly triggers a frequency modulation circuit by using an emitter electrode signal of a triode Q2, an output signal of an operational amplifier AR2 is divided by a variable resistor RW2, then a voltage stabilizing circuit consisting of a triode Q3, a triode Q4, a capacitor C4 and a capacitor C5 is used for further adjusting the signal waveform, finally the frequency modulation circuit is formed by using the triode Q5, an inductor L4 and a capacitor C6-C8 for adjusting the signal frequency, the inductor L4 is used for filtering a high-frequency component in the signal, the capacitor C4 and the capacitor C8 are used for filtering a low-frequency component in the signal, an emitter electrode signal of the triode Q2 is used as a collector electrode of the triode Q5 for improving a basic signal, and a.)

1. A5G communication multichannel signal transmission system comprises a signal sampling module and a phase-shifting frequency modulation module, and is characterized in that the signal sampling module samples 5G communication multichannel signals, the signal sampling module is connected with the phase-shifting frequency modulation module, and signals output by the phase-shifting frequency modulation module are transmitted to a 5G communication multichannel signal transmission system terminal through a signal transmitter E1;

the phase-shifting frequency modulation module comprises an operational amplifier AR1, wherein the non-inverting input end of the operational amplifier AR1 is connected with one end of a resistor R4 and one end of a capacitor C3, the other end of the capacitor C3 is grounded, the inverting input end of the operational amplifier AR2 is connected with a resistor R3, one end of a resistor R5 and the sliding end of a variable resistor RW1, one end of the variable resistor RW1 is connected with a resistor R3, the other end of the resistor R4, the anode of a diode D2 and the output port of a signal sampling module, the output end of the operational amplifier AR2 is connected with the base of a transistor Q2 and the other end of the resistor R2 and one end of the resistor R2, the collector of the transistor Q2 is connected with the cathode of the diode D2, the other end of the resistor R2 is connected with the non-inverting input end of the operational amplifier AR2, the inverting input end of the operational amplifier AR2 is connected with the emitter of the transistor Q2, the output end of the operational amplifier AR2 is connected with one end of the transistor R2, and one, the other end of the variable resistor RW1 is connected to the non-inverting input end of the amplifier AR3, the inverting input end of the amplifier AR3 is connected to the output end of the amplifier AR3 and the collector of the transistor Q3, the emitter of the transistor Q3 is connected to one end of the resistor R3 and the collector of the transistor Q3, the other end of the resistor R3 is grounded, the other end of the resistor R3 is connected to the collector of the transistor Q3 and the base of the transistor Q3, the emitter of the transistor Q3 is connected to +5V, the collector of the transistor Q3 is connected to the base of the transistor Q3 and the resistor R3, the capacitor C3, the inductor L3, one end of the capacitor C3 and the base of the transistor Q3, the emitter of the transistor Q3 is connected to one end of the resistor R3 and the other end of the capacitor C3, the other end of the resistor R3 is grounded, the other end of the resistor R3 and the other end of the capacitor C3 is grounded, the emitter of the transistor Q3 is connected to the resistor R3, One end of the capacitor C6 and the anode of the diode D3, the other end of the capacitor C6 is connected with the other end of the inductor L4, and the cathode of the diode D3 is connected with the signal transmitter E1.

2. The 5G communication multichannel signal transmission system as claimed in claim 1, wherein the signal sampling module comprises a DAM-3056AH signal sampler J1, a power supply end of the signal sampler J1 is connected with +5V, a ground end of the signal sampler J1 is connected with ground, an output end of the signal sampler J1 is connected with a negative electrode of a voltage regulator D1 and one end of an inductor L1, a resistor R1 and a capacitor C2, an anode of the voltage regulator D1 is connected with ground, the other end of the inductor L1 is connected with one end of a capacitor C1, the other end of a resistor R1 is connected with one end of a resistor R2, the other end of a capacitor C2 and a signal input port of the phase-shifting frequency modulation module, and the other ends of the resistor R2 and the capacitor C1 are connected with ground.

Technical Field

The invention relates to the technical field of 5G communication, in particular to a 5G communication multichannel signal transmission system.

Background

Currently, the development of 5G technology is very hot around the world, and mainstream standardization organizations at home and abroad have recognized the exigency of the development of 5G technology at the present stage and made relevant 5G development plans, and with the development from 4G to 5G, the user demand is continuously increased, the indoor and outdoor data services are greatly expanded, and the carrier frequency is also greatly improved, and like the early 2G, 3G and 4G mobile networks, the 5G network is a digital cellular network, and in such a network, the service area covered by a provider is divided into a plurality of small geographic areas called cells. Analog signals representing sound and images are digitized in a mobile phone, converted by an analog-to-digital converter and transmitted as bit streams, however, the explosive growth of mobile network data signals is a great challenge to the current 5G communication, 5G communication multichannel signal transmission needs to ensure signal frequency coordination among channels, as the 5G communication is just popularized, the frequency among the multichannel signals is passively adjusted, namely, the channel frequency is set in advance, once a certain channel has more data signals and other channels have less data signals, the transmission of the 5G communication signals is blocked, and the function of actively allocating the signal frequency among the multichannel signals is lacked.

Disclosure of Invention

In view of the above situation, an object of the present invention is to provide a 5G communication multichannel signal transmission system, which can sample, frequency-modulate and calibrate a 5G communication multichannel signal, and convert the signal into a trigger signal of a terminal of the 5G communication multichannel signal transmission system.

The technical scheme for solving the problem is that the 5G communication multichannel signal transmission system comprises a signal sampling module and a phase-shifting frequency modulation module, wherein the signal sampling module is used for sampling a 5G communication multichannel signal, the signal sampling module is connected with the phase-shifting frequency modulation module, and a signal output by the phase-shifting frequency modulation module is sent to a 5G communication multichannel signal transmission system terminal through a signal transmitter E1;

the phase-shifting frequency modulation module comprises an operational amplifier AR1, wherein the non-inverting input end of the operational amplifier AR1 is connected with one end of a resistor R4 and one end of a capacitor C3, the other end of the capacitor C3 is grounded, the inverting input end of the operational amplifier AR2 is connected with a resistor R3, one end of a resistor R5 and the sliding end of a variable resistor RW1, one end of the variable resistor RW1 is connected with a resistor R3, the other end of the resistor R4, the anode of a diode D2 and the output port of a signal sampling module, the output end of the operational amplifier AR2 is connected with the base of a transistor Q2 and the other end of the resistor R2 and one end of the resistor R2, the collector of the transistor Q2 is connected with the cathode of the diode D2, the other end of the resistor R2 is connected with the non-inverting input end of the operational amplifier AR2, the inverting input end of the operational amplifier AR2 is connected with the emitter of the transistor Q2, the output end of the operational amplifier AR2 is connected with one end of the transistor R2, and one, the other end of the variable resistor RW1 is connected to the non-inverting input end of the amplifier AR3, the inverting input end of the amplifier AR3 is connected to the output end of the amplifier AR3 and the collector of the transistor Q3, the emitter of the transistor Q3 is connected to one end of the resistor R3 and the collector of the transistor Q3, the other end of the resistor R3 is grounded, the other end of the resistor R3 is connected to the collector of the transistor Q3 and the base of the transistor Q3, the emitter of the transistor Q3 is connected to +5V, the collector of the transistor Q3 is connected to the base of the transistor Q3 and the resistor R3, the capacitor C3, the inductor L3, one end of the capacitor C3 and the base of the transistor Q3, the emitter of the transistor Q3 is connected to one end of the resistor R3 and the other end of the capacitor C3, the other end of the resistor R3 is grounded, the other end of the resistor R3 and the other end of the capacitor C3 is grounded, the emitter of the transistor Q3 is connected to the resistor R3, One end of the capacitor C6 and the anode of the diode D3, the other end of the capacitor C6 is connected with the other end of the inductor L4, and the cathode of the diode D3 is connected with the signal transmitter E1.

Due to the adoption of the technical scheme, compared with the prior art, the invention has the following advantages;

1. the output signal of the signal sampling module is divided into two paths of signals by using a variable resistor RW1, one path of signal is a main signal, a phase shift circuit consisting of an operational amplifier AR1, a resistor R4 and a capacitor C3 is used for adjusting a signal phase angle, the delay effect of the resistor R4 and the capacitor C3 is used for delaying the signal input time of the in-phase input end of the operational amplifier AR1, and at the moment, the phase difference is generated between the anti-phase input end and the in-phase input end of the operational amplifier AR1, so that the phase shift effect of the output signal of the operational amplifier AR1 is realized, meanwhile, the peak signal after phase shift is detected by using a triode Q1, the output signal abnormity caused by overlarge peak signal is avoided, the operational amplifier AR2 is used for comparing the output signals of an emitter of the triode Q1 and an operational amplifier AR;

2. an emitter signal of a triode Q2 is also used for directly triggering the frequency modulation circuit and is used for finely adjusting the frequency modulation range of the frequency modulation circuit, an output signal of an operational amplifier AR2 is divided by a variable resistor RW2, then a voltage stabilizing circuit consisting of the triode Q3, the triode Q4, a capacitor C4 and a capacitor C5 is used for further adjusting the signal waveform, the conductivity of the triode Q3 and the triode Q4 is used for filtering low-level signals in the signals, finally the triode Q5, an inductor L4 and the capacitor C6-capacitor C8 are used for forming the frequency modulation circuit for adjusting the signal frequency, the inductor L4 is used for filtering high-frequency components in the signals, the capacitor C4 and the capacitor C8 are used for filtering low-frequency components in the signals, the emitter signal of the triode Q2 is used for improving the basic signal for a collector of the triode Q5, when the signals are abnormal, the triode Q5 is conducted to realize the effect of amplifying the signal current, the amplitude of the output signal is adjusted, the terminal of the 5G communication multichannel signal transmission system can actively match the frequency of the multichannel signal in time after receiving the trigger signal.

Drawings

Fig. 1 is a schematic diagram of a 5G communication multi-channel signal transmission system according to the present invention.

Detailed Description

The foregoing and other technical and scientific aspects, features and utilities of the present invention will be apparent from the following detailed description of the embodiments, which is to be read in connection with the accompanying drawings of fig. 1. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.

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