CN207586313U - A kind of novel hand-held spectrum monitoring device - Google Patents

A kind of novel hand-held spectrum monitoring device Download PDF

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Publication number
CN207586313U
CN207586313U CN201721731615.7U CN201721731615U CN207586313U CN 207586313 U CN207586313 U CN 207586313U CN 201721731615 U CN201721731615 U CN 201721731615U CN 207586313 U CN207586313 U CN 207586313U
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China
Prior art keywords
hand
frequency
held
spectrum analysis
signal
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Expired - Fee Related
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CN201721731615.7U
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Chinese (zh)
Inventor
刘涛
赵中华
李玉海
梁榜
杨艺敏
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Guilin University of Electronic Technology
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Guilin University of Electronic Technology
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Abstract

The utility model discloses a kind of novel hand-held spectrum monitoring device, including hand-held spectrum analysis part and mobile phone A pp, hand-held spectrum analysis part to signal processing, collect initial data, send initial data by wirelessly being connect with cell phone application;Mobile phone A pp handles data, is preserved, is shown, spectrum information is shared;User can change hand-held spectrum analysis partially operational state by mobile phone A pp, including frequency sweep span, centre frequency etc.;The device volume is small, cost and low in energy consumption, is convenient for carrying, real-time, and integrated level is high.

Description

A kind of novel hand-held spectrum monitoring device
Technical field
The utility model is related to spectrum monitoring technical field, specifically a kind of novel hand-held spectrum monitoring device.
Background technology
Spectrum analyzer be widely used in radar, broadcast, TV, frequency management, navigation, signal monitoring, space technology, The fields such as EMC tests and electronic countermeasure, are essential tools in circuit design and debugging process, there is " frequency domain oscillography The title of device ".
In recent years, wireless communication technique emerges rapidly development, and more and more fields communications, which measure, needs spectrum analyzer Support, traditional desk-top spectrum analyzer volume is big, heavy, data preserve and shared inconvenient and day to be not suitable for requirement frequent The occasion of traverse measurement frequency spectrum, expensive price are also not suitable for many private enterprises.On the other hand, smart mobile phone is sent out in recent years Exhibition is rapid, and smart mobile phone performance has large increase, and the modules such as GPS, WIFI, bluetooth, GPRS are contained on hardware, utilizes intelligence Energy mobile phone terminal, which carries out data processing and display, can reduce the cost of hand-held spectrum analysis terminal, while enterprising in smart mobile phone Row operation can provide better interaction, data sharing and system interconnection.
It is based on the demand, low cost, low-power consumption, small size, the hand-held suitable for field extreme environment work Spectrum analyzer comes into being.Hand-held spectrum analyzer have its is small, light-weight, low in energy consumption, be convenient for carrying, real-time, The features such as portability, high integrated level, is very suitable for common carrier and radio monitoring department to the indoor electromagnetism ring with outdoor Border is monitored, and is the preferred instrument of field communication measurement worker.In today that wireless communication is grown rapidly, test at the scene It is required more and more strongly to convenient test, efficiently in development, debugging with wireless communications products, hand-held spectrum analyzer must Vast potential for future development will be possessed.
Utility model content
The purpose of this utility model is to provide a kind of novel hand-held spectrum monitoring devices, and the device volume is small, cost With it is low in energy consumption, be convenient for carrying, real-time, integrated level is high.
Realizing the technical solution of the utility model aim is:
A kind of novel hand-held spectrum monitoring device, including hand-held spectrum analysis part and mobile phone A pp, hand-held frequency spectrum Analysis part to signal processing, collect initial data, by wirelessly connect with cell phone application send initial data;Mobile phone A pp For being handled data, preserving, showing, spectrum information is shared;User can change hand-held frequency spectrum point by mobile phone A pp Partially operational state is analysed, including frequency sweep span, centre frequency etc.;
The hand-held spectrum analysis part including hand-held spectrum analysis terminal shell and is located at hand-held frequency spectrum point Analyse the hand-held spectrum analysis terminal inside terminal shell;
The hand-held spectrum analysis terminal shell is made of CNC aluminium alloys, and housing is equipped with liquid crystal display, 5 A button, switch, the first Type-C interfaces, signal input interface and external antenna, external antenna with mobile phone A pp by wirelessly connecting It connects;
The hand-held spectrum analysis terminal, including input signal processing module, frequency mixing module, rear class signal processing mould Block and main control module;Input signal processing module, frequency mixing module and rear class signal processing module are sequentially connected;The letter of main control module Number input terminal is connect with rear class signal processing module, and signal output end is connect respectively with input signal processing module, frequency mixing module.
The input signal processing module, including sequentially connected first low-pass filter, numerical-control attenuator and first Signal amplifier, signal input part and the signal input interface on hand-held spectrum analysis terminal shell of the first low-pass filter Connection, numerical-control attenuator are connect with main control module, and the signal output end of the first signal amplifier is connect with frequency mixing module.
First low-pass filter is the passive 8 rank low-pass filter that LC is formed;Numerical-control attenuator uses PE43703 Chip, it can provide the attenuation of highest 31.75dB in 6.0 gigahertz frequency ranges of DC-;First signal amplifier uses TQP3M9008 chips, chip frequency range 50-4000MHz, gain:1.9 GHz of 20.6dB@, noise coefficient:1.3dB@1.9 GHz。
The frequency mixing module, including sequentially connected first frequency mixer, the first bandpass filter, second signal amplification Device, the second frequency mixer, the second bandpass filter, third signal amplifier further include swept signal generator and local oscillation signal hair Raw device;The first input end of first frequency mixer and the signal output end of the first signal amplifier of input signal processing module connect It connects;The output terminal of swept signal generator is connected with the second input terminal of the first frequency mixer;The output of local oscillation signal generator End is connect with the second input terminal of the second frequency mixer;The signal output end of main control module respectively with swept signal generator, local oscillator The signal input part connection of signal generator.
Using ADL5801 chips, which utilizes a high linearity for first frequency mixer and the second frequency mixer Double flat weighs active mixer kernel and integrated local oscillator buffer amplifier to provide the high dynamic range of 10 MHz to 6 GHz frequency Rate is converted;Swept signal generator uses ADF5356 chips, the chip interior integrated VCO, with reference to external loop filter and outside Portion's reference frequency is in use, fractional-N divide or Integer N frequency dividing phase-locked loop (PLL) frequency synthesizer can be realized;Internal VCO is basic Reference frequency output is 6.8GHz to 13.6GHz, other rate-adaptive pacemakers can realize 53.125 MHz extremely by a series of frequency dividers 6,800MHz working frequency meets the covering of entire platform frequency range;Local oscillation signal generator is real using ADF5355 chips Existing, the chip combination external loop filter and external reference frequency use, and exportable frequency range is 54 MHz to 13, 600 MHz meet the requirement of the fixed frequency point of local oscillator output.
The rear class signal processing module, including sequentially connected single-ended transfer difference device, difference logarithmic detector and Two low-pass filters;The signal input part of difference logarithmic detector is connect with the signal output end of third amplifier;Second low pass The output terminal of wave filter is connected with main control module signal input part.
The single-ended transfer difference device is realized using balun;Difference logarithmic detector uses AD8310 chips, chip tool There are DC -440 MHz bandwidth, the dynamic range of+4 dBV of -91 dBV to;Second low-pass filter is filtered for 8 rank Passive LCs Device.
The main control module including power module, ARM main control chips, further includes the liquid crystal respectively with ARM main control chips Display, bluetooth transceiver, input module, Flash chip, the 2nd Type-C interfaces;Power module and hand-held spectrum analysis On terminal shell switch connection, be ARM main control chips, liquid crystal display, bluetooth transceiver, input module, Flash chip, 2nd Type-C interfaces are powered;Liquid crystal display is connect with the liquid crystal display on hand-held spectrum analysis terminal shell;Bluetooth Transceiver is connect with the external antenna on hand-held spectrum analysis terminal shell;On input module and hand-held spectrum analysis terminal By key connection;2nd Type-C interfaces are connect with the first Type-C interfaces in hand-held spectrum analysis terminal.
The mobile phone A pp, including data communication module, data processing module, data recordin module, data sharing module And data disaply moudle, data processing module respectively with data communication module, data recordin module, data sharing module and data Display module connects.
Advantageous effect:The utility model provides a kind of novel hand-held spectrum monitoring device, and hand-held spectrum analysis is whole End housing uses CNC aluminium alloy cavities, meets radiating requirements when device works and anti-interference shielding action, is mixed with multistage Mode can inhibit image frequency during spectrum measurement, its main data acquisition task of hand-held frequency spectrum detection device, data Process part shows by carrying out processing on smart mobile phone APP softwares, greatly reduce hand-held spectrum monitoring device hardware into Originally, volume and weight, it is easy to carry.Cell phone application software can easily be carried out with wireless control hand-held spectrum monitoring device Long-range to measure, cell phone application software has spectrum waveform recording function in addition, facilitates data record, while cell phone application software has number According to sharing functionality, can a key send spectrum waveform and spectrum information to Cloud Server or various social softwares, when necessary can be real-time Shared mobile phone screen, by the APP on smart mobile phone, extremely can easily carry out user association to remote equipment Work, data sharing, data record.The device reasonable design, it is simple and reliable for structure, small, light weight, it is easy to carry, into This is low, interactivity is good, and data sharing is convenient, overcomes that traditional spectrum analyzer is of high cost, quality weight, volume are big, interactivity The shortcomings that bad, data record and shared inconvenience, is suitble to field work, mobile operation, the occasion that data is required to share in time.
Description of the drawings
Fig. 1 is the novel hand-held spectrum monitoring device block diagram of the utility model;
Fig. 2 is the structure diagram of the hand-held spectrum analysis terminal shell of the utility model;
Fig. 3 is the structure diagram of the hand-held spectrum analysis terminal of the utility model;
Fig. 4 is the structure diagram of the input signal processing module of the utility model;
Fig. 5 is the structure diagram of the frequency mixing module of the utility model;
Fig. 6 is the structure diagram of the rear class signal processing module of the utility model;
Fig. 7 is the structure diagram of the main control module of the utility model;
Fig. 8 is the functional block diagram of cell phone application;
In figure, 2. button 3. of 1.OLED liquid crystal displays switch 4. the oneth Type-C interfaces, 5. signal input interface 6. external antenna.
Specific embodiment
The utility model is further elaborated with reference to the accompanying drawings and examples, but is not the limit to the utility model It is fixed.
Embodiment:
As shown in Figure 1, a kind of novel hand-held spectrum monitoring device, including hand-held spectrum analysis part and mobile phone A pp, Hand-held spectrum analysis part to signal processing, collect initial data, by wirelessly connect with cell phone application send original number According to;Mobile phone A pp handles data, is preserved, is shown, spectrum information is shared;User can change hand-held by mobile phone A pp Spectrum analysis partially operational state, including frequency sweep span, centre frequency etc.;
The hand-held spectrum analysis part including hand-held spectrum analysis terminal shell and is located at hand-held frequency spectrum point Analyse the hand-held spectrum analysis terminal inside terminal shell;
As shown in Fig. 2, the hand-held spectrum analysis terminal shell is made of CNC aluminium alloys, housing is equipped with liquid 1,5 button 2 of crystal display screen, the 3, the first Type-C interfaces 4 of switch, signal input interface 5 and external antenna 6, external antenna 6 are logical Bluetooth is crossed to connect with mobile phone A pp;
As shown in figure 3, the hand-held spectrum analysis terminal, including input signal processing module, frequency mixing module, rear class Signal processing module and main control module;Input signal processing module, frequency mixing module and rear class signal processing module are sequentially connected;It is main Control module signal input part connect with rear class signal processing module, signal output end respectively with input signal processing module, mix Frequency module connects.
As shown in figure 4, the input signal processing module, declines including sequentially connected first low-pass filter, numerical control Subtract device and the first signal amplifier, signal input part and the letter on hand-held spectrum analysis terminal shell of the first low-pass filter Number input interface 5 connects, and numerical-control attenuator is connect with main control module, the signal output end and frequency mixing module of the first signal amplifier Connection.
First low-pass filter is the passive 8 rank low-pass filter that LC is formed;Numerical-control attenuator uses PE43703 Chip, it can provide the attenuation of highest 31.75dB in 6.0 gigahertz frequency ranges of DC-;First signal amplifier uses TQP3M9008 chips, chip frequency range 50-4000MHz, gain:1.9 GHz of 20.6dB@, noise coefficient:1.3dB@1.9 GHz。
As shown in figure 5, the frequency mixing module, including sequentially connected first frequency mixer, the first bandpass filter, second Signal amplifier, the second frequency mixer, the second bandpass filter, third signal amplifier further include swept signal generator and this Shake signal generator;The first input end of first frequency mixer and the signal of the first signal amplifier of input signal processing module are defeated Outlet connects;The output terminal of swept signal generator is connected with the second input terminal of the first frequency mixer;Local oscillation signal generator Output terminal connect with the second input terminal of the second frequency mixer;The signal output end of main control module occurs respectively with swept-frequency signal The signal input part connection of device, local oscillation signal generator.
Using ADL5801 chips, which utilizes a high linearity for first frequency mixer and the second frequency mixer Double flat weighs active mixer kernel and integrated local oscillator buffer amplifier to provide the high dynamic range of 10 MHz to 6 GHz frequency Rate is converted;Swept signal generator uses ADF5356 chips, the chip interior integrated VCO, with reference to external loop filter and outside Portion's reference frequency is in use, fractional-N divide or Integer N frequency dividing phase-locked loop (PLL) frequency synthesizer can be realized;Internal VCO is basic Reference frequency output is 6.8GHz to 13.6GHz, other rate-adaptive pacemakers can realize 53.125 MHz extremely by a series of frequency dividers 6,800MHz working frequency meets the covering of entire platform frequency range;Local oscillation signal generator is real using ADF5355 chips Existing, the chip combination external loop filter and external reference frequency use, and exportable frequency range is 54 MHz to 13, 600 MHz meet the requirement of the fixed frequency point of local oscillator output.
As shown in fig. 6, the rear class signal processing module, including sequentially connected single-ended transfer difference device, difference logarithm Wave detector and the second low-pass filter;The signal input part of difference logarithmic detector connects with the signal output end of third amplifier It connects;The output terminal of second low-pass filter is connected with main control module signal input part.
The single-ended transfer difference device is realized using balun;Difference logarithmic detector uses AD8310 chips, chip tool There are DC -440 MHz bandwidth, the dynamic range of+4 dBV of -91 dBV to;Second low-pass filter is filtered for 8 rank Passive LCs Device.
As shown in fig. 7, the main control module, including power module, ARM main control chips, further include respectively with ARM master controls Liquid crystal display, bluetooth transceiver, input module, Flash chip, the 2nd Type-C interface of chip;Power module is with holding Switch 3 on formula spectrum analysis terminal shell connects, be ARM main control chips, liquid crystal display, bluetooth transceiver, input module, Flash chip, the power supply of the 2nd Type-C interfaces;Liquid crystal display and the OLED liquid crystal screen on hand-held spectrum analysis terminal shell 1 connection;Bluetooth transceiver is connect with the external antenna 6 on hand-held spectrum analysis terminal shell;Input module and hand-held frequency Button 2 in spectrum analysis terminal connects;2nd Type-C interfaces and the first Type-C interfaces 4 in hand-held spectrum analysis terminal Connection.
As shown in figure 8, the mobile phone A pp, including data communication module, data processing module, data recordin module, number According to sharing module and data disaply moudle, data processing module respectively with data communication module, data recordin module, data sharing Module is connected with data disaply moudle.

Claims (8)

1. a kind of novel hand-held spectrum monitoring device, which is characterized in that including hand-held spectrum analysis part and mobile phone A pp, Hand-held spectrum analysis part to signal processing, collect initial data, by wirelessly connect with cell phone application send original number According to;Mobile phone A pp handles data, is preserved, is shown, spectrum information is shared;User can change hand-held by mobile phone A pp Spectrum analysis partially operational state, including frequency sweep span, centre frequency etc.;
The hand-held spectrum analysis part including hand-held spectrum analysis terminal shell and is located at hand-held spectrum analysis end Hand-held spectrum analysis terminal inside end housing;
The hand-held spectrum analysis terminal shell is made of CNC aluminium alloys, and housing is pressed equipped with liquid crystal display, 5 Key, switch, the first Type-C interfaces, signal input interface and external antenna, external antenna with mobile phone A pp by wirelessly connecting;
The hand-held spectrum analysis terminal, including input signal processing module, frequency mixing module, rear class signal processing module and Main control module;Input signal processing module, frequency mixing module and rear class signal processing module are sequentially connected;The signal of main control module is defeated Enter end to connect with rear class signal processing module, signal output end is connect respectively with input signal processing module, frequency mixing module.
A kind of 2. novel hand-held spectrum monitoring device according to claim 1, which is characterized in that the input signal Processing module, including sequentially connected first low-pass filter, numerical-control attenuator and the first signal amplifier, the first low-pass filtering The signal input part of device is connect with the signal input interface on hand-held spectrum analysis terminal shell, numerical-control attenuator and master control mould Block connects, and the signal output end of the first signal amplifier is connect with frequency mixing module.
A kind of 3. novel hand-held spectrum monitoring device according to claim 2, which is characterized in that first low pass Wave filter is the passive 8 rank low-pass filter that LC is formed;Numerical-control attenuator uses PE43703 chips, it can provide DC- 6.0 The attenuation of highest 31.75dB in gigahertz frequency range;First signal amplifier uses TQP3M9008 chips, chip frequency range 50-4000MHz, gain:1.9 GHz of 20.6dB@, noise coefficient:1.3dB@1.9 GHz.
A kind of 4. novel hand-held spectrum monitoring device according to claim 1, which is characterized in that the mixing mould Block, including sequentially connected first frequency mixer, the first bandpass filter, second signal amplifier, the second frequency mixer, the second band logical Wave filter, third signal amplifier, further include swept signal generator and local oscillation signal generator;The first of first frequency mixer is defeated The signal output end for entering end with the first signal amplifier of input signal processing module is connect;The output terminal of swept signal generator It is connected with the second input terminal of the first frequency mixer;Second input terminal of the output terminal of local oscillation signal generator and the second frequency mixer Connection;Signal input part of the signal output end of main control module respectively with swept signal generator, local oscillation signal generator is connect.
A kind of 5. novel hand-held spectrum monitoring device according to claim 4, which is characterized in that first mixing Device and the second frequency mixer using ADL5801 chips, the chip using a high linearity double flat weigh active mixer kernel with And integrated local oscillator buffer amplifier provides the high dynamic range frequency conversion of 10 MHz to 6 GHz;Swept signal generator Using ADF5356 chips, which in use, can be real with reference to external loop filter and external reference frequency Existing fractional-N divide or Integer N frequency dividing phase-locked loop (PLL) frequency synthesizer;The internal basic reference frequency outputs of VCO for 6.8GHz extremely 13.6GHz, other rate-adaptive pacemakers can realize the working frequency of 53.125 MHz to 6,800MHz by a series of frequency dividers, meet The covering of entire platform frequency range;Local oscillation signal generator realizes that the chip combination external loop-around is filtered using ADF5355 chips Wave device and external reference frequency use, and exportable frequency range is 54 MHz to, 13,600 MHz, meet local oscillator output and fix The requirement of frequency point.
A kind of 6. novel hand-held spectrum monitoring device according to claim 1, which is characterized in that the rear class signal Processing module, including sequentially connected single-ended transfer difference device, difference logarithmic detector and the second low-pass filter;Difference logarithm is examined The signal input part of wave device is connect with the signal output end of third amplifier;The output terminal and main control module of second low-pass filter Signal input part is connected.
A kind of 7. novel hand-held spectrum monitoring device according to claim 6, which is characterized in that the single-ended slip Device is divided to be realized using balun;Difference logarithmic detector use AD8310 chips, the chip have DC -440 MHz bandwidth, -91 The dynamic range of+4 dBV of dBV to;Second low-pass filter is 8 rank passive LC filters.
A kind of 8. novel hand-held spectrum monitoring device according to claim 1, which is characterized in that the master control mould Block, including power module, ARM main control chips, further include respectively with the liquid crystal display of ARM main control chips, bluetooth transceiver, defeated Enter module, Flash chip, the 2nd Type-C interfaces;Power module is connect with the switch on hand-held spectrum analysis terminal shell, For ARM main control chips, liquid crystal display, bluetooth transceiver, input module, Flash chip, the power supply of the 2nd Type-C interfaces;Liquid Crystal display is connect with the liquid crystal display on hand-held spectrum analysis terminal shell;Bluetooth transceiver and hand-held spectrum analysis External antenna connection on terminal shell;Input module in hand-held spectrum analysis terminal with pressing key connection;2nd Type-C Interface is connect with the first Type-C interfaces in hand-held spectrum analysis terminal.
CN201721731615.7U 2017-12-13 2017-12-13 A kind of novel hand-held spectrum monitoring device Expired - Fee Related CN207586313U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107843768A (en) * 2017-12-13 2018-03-27 桂林电子科技大学 A kind of novel hand-held spectrum monitoring device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107843768A (en) * 2017-12-13 2018-03-27 桂林电子科技大学 A kind of novel hand-held spectrum monitoring device

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Granted publication date: 20180706