CN204539121U - Miniaturized frequency source - Google Patents

Miniaturized frequency source Download PDF

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Publication number
CN204539121U
CN204539121U CN201520127427.8U CN201520127427U CN204539121U CN 204539121 U CN204539121 U CN 204539121U CN 201520127427 U CN201520127427 U CN 201520127427U CN 204539121 U CN204539121 U CN 204539121U
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CN
China
Prior art keywords
amplifier
frequency
radio frequency
radio
miniaturized
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201520127427.8U
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Chinese (zh)
Inventor
刁鹏
万鸣
张意
廖志雄
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHENGDU SEEKCON MICROWAVE COMMUNICATION Co Ltd
Original Assignee
CHENGDU SEEKCON MICROWAVE COMMUNICATION Co Ltd
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Priority to CN201520127427.8U priority Critical patent/CN204539121U/en
Application granted granted Critical
Publication of CN204539121U publication Critical patent/CN204539121U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a kind of miniaturized frequency source, comprises phase-locked loop, and phase-locked loop is connected with operational amplifier and single chip circuit, and operational amplifier is also connected with voltage-controlled oscillator circuit, and voltage controlled oscillator is connected with phase-locked loop circuit.It is little, lightweight that this miniaturized frequency source has volume, and feature low in energy consumption, has wide application prospect.

Description

Miniaturized frequency source
Technical field
The utility model relates to meagre communication technical field, is specifically related to a kind of miniaturized frequency source.
Background technology
Satellite communication, the especially digital communication by satellite local vibration source to frequency converter proposes higher requirement, as higher frequency stability, high spectral purity, lower phase noise, the output level met the demands, easily multi-frequency export conversion etc.; For this reason, frequency converter all adopts microwave phaselock oscillator and microwave synthesizer as local frequency source of secondary usually, but because existing frequency source is too simple on 26S Proteasome Structure and Function, the function that therefore can realize is also less, can not meet people's require that, so need a kind of miniaturized frequency source badly to solve the problem at work.
Utility model content
The purpose of this utility model is for the deficiencies in the prior art, provides a kind of miniaturized frequency source, and this miniaturized frequency source can solve the problem well.
For reaching above-mentioned requirements, the technical scheme that the utility model is taked is: provide a kind of miniaturized frequency source, this miniaturized frequency source comprises phase-locked loop, phase-locked loop is connected with operational amplifier and single chip circuit, operational amplifier is also connected with voltage-controlled oscillator circuit, and voltage controlled oscillator is connected with phase-locked loop circuit.
The advantage that this miniaturized frequency source has is as follows:
(1) this miniaturized frequency source has the little feature of volume.
(1) by arranging rear amplifier module, and in rear amplifier module, arrange the second radio frequency amplifier, the 3rd radio frequency amplifier and the 4th radio frequency amplifier, the heterogeneous radio frequency amplifier that can realize this miniaturized frequency source is selected.
(2) by arrange hilted broadsword throw radio-frequency (RF) switch more can better, the heterogeneous radio frequency amplifier that realize this miniaturized frequency source is more easily selected.
(3) by arranging PLL frequency synthesizer, voltage controlled oscillator, the first radio frequency amplifier and band pass filter, can to solve existing frequency source well too simple on 26S Proteasome Structure and Function, the function that therefore can realize is also less, can not meet the problem of people's requirement at work.
(4) by arranging Programmable Logic Controller and loop filter, the control to this miniaturized frequency source can be realized better.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present application, form a application's part, use identical reference number to represent same or analogous part in the drawings, the schematic description and description of the application, for explaining the application, does not form the improper restriction to the application.In the accompanying drawings:
Fig. 1 schematically shows the structural representation of the miniaturized frequency source according to the application's embodiment.
Fig. 2 schematically shows the structural representation of the miniaturized frequency source according to the application's embodiment.
Wherein: 1, crystal oscillator; 2, PLL frequency synthesizer; 3, voltage controlled oscillator; 4, the first radio frequency amplifier; 5, band pass filter; 6, radio-frequency (RF) switch thrown by hilted broadsword more; 7, the second radio frequency amplifier; 8, rear amplifier module; 9, Programmable Logic Controller; 10, loop filter; 11, the 3rd radio frequency amplifier; 12, the 4th radio frequency amplifier; 13, phase-locked loop; 14, operational amplifier; 15, single-chip microcomputer.
Embodiment
For making the object of the application, technical scheme and advantage clearly, below in conjunction with drawings and the specific embodiments, the application is described in further detail.
In the following description, quoting of " embodiment ", " embodiment ", " example ", " example " etc. is shown that the embodiment of so description or example can comprise special characteristic, structure, characteristic, character, element or limit, but not each embodiment or example must comprise special characteristic, structure, characteristic, character, element or limit.In addition, reuse phrase " embodiment according to the application " although be likely refer to identical embodiment, and not necessarily refers to identical embodiment.
For the sake of simplicity, eliminate in below describing and well known to a person skilled in the art some technical characteristic.
According to an embodiment of the application, a kind of miniaturized frequency source is provided, as shown in Figure 1, comprise phase-locked loop 13, described phase-locked loop 13 is connected with operational amplifier 14 and single-chip microcomputer 15 circuit, described operational amplifier 14 is also connected with voltage controlled oscillator 3 circuit, and described voltage controlled oscillator 3 is connected with phase-locked loop 13 circuit.
According to an embodiment of the application, a kind of miniaturized frequency source is provided, as shown in Figure 2, also comprise crystal oscillator 1 and PLL frequency synthesizer 2, crystal oscillator 1 and PLL frequency synthesizer 2 are electrically connected, more PLL frequency synthesizer 2 is thrown radio-frequency (RF) switch 6 by the first radio frequency amplifier 4 and band pass filter 5 with hilted broadsword and is electrically connected, hilted broadsword is thrown radio-frequency (RF) switch 6 more and is electrically connected with rear amplifier module 8, rear amplifier module 8 inside is provided with the second radio frequency amplifier 7, 3rd radio frequency amplifier 11 and the 4th radio frequency amplifier 12, hilted broadsword throw more radio-frequency (RF) switch 6 respectively with the second radio frequency amplifier 7, 3rd radio frequency amplifier 11 and the 4th radio frequency amplifier 12 are electrically connected, second radio frequency amplifier 7, 3rd radio frequency amplifier 11 and the 4th radio frequency amplifier 12 are also all electrically connected with Programmable Logic Controller 9, Programmable Logic Controller is electrically connected with loop filter 10.
According to an embodiment of the application, the crystal oscillator of this miniaturized frequency source is 100MHz constant-temperature crystal oscillator.
According to an embodiment of the application, this miniaturized frequency source is by arranging rear amplifier module 8, and the second radio frequency amplifier 7, the 3rd radio frequency amplifier 11 and the 4th radio frequency amplifier 12 are set in rear amplifier module 8, the heterogeneous radio frequency amplifier that can realize this miniaturized frequency source is selected; By arrange hilted broadsword throw radio-frequency (RF) switch 6 more can better, the heterogeneous radio frequency amplifier that realize this miniaturized frequency source is more easily selected; By arranging PLL frequency synthesizer 2, voltage controlled oscillator 3, first radio frequency amplifier 4 and band pass filter 5, can to solve existing frequency source well too simple on 26S Proteasome Structure and Function, the function that therefore can realize is also less, can not meet the problem of people's requirement at work; By arranging Programmable Logic Controller 9 and loop filter 10, the control to this miniaturized frequency source can be realized better.
This miniaturized frequency source devises one by component integrations such as phase-locked loop 13, voltage controlled oscillator 3, operational amplifier 14 and attenuators to the miniaturized frequency source in the Can of a 15mm × 12mm × 3mm.It is little, lightweight that this miniaturized frequency source has volume, and feature low in energy consumption, has wide application prospect.
This programme is made up of phase-locked loop 13 operational amplifier 14 and voltage controlled oscillator 3.Reference signal inputs from phase discriminator, produces a voltage signal, is amplified by voltage signal through operational amplifier, the voltage signal input voltage controlled oscillator 3 obtained, signal one tunnel that voltage controlled oscillator 3 exports feeds back to phase discriminator, and a road exports, and produces certain frequency signal.When the frequency signal produced is not required frequency, the frequency signal of feedback is compared with the reference signal in phase discriminator by after frequency division, the voltage signal that the difference on the frequency of the two produces regulates voltage controlled oscillator 3, until the frequency produced is required frequency, at this moment, the signal that voltage controlled oscillator 3 feeds back does not have difference on the frequency with the frequency of reference signal after frequency division, and Frequency Locking is to required frequency the most at last.At the additional single-chip microcomputer 15 of phase-locked loop, provide a signal to phase discriminator, required frequency can be obtained and combine signal.
This miniaturized frequency source adopts die package, to reduce area occupied to greatest extent; The printed board bottom is all pay ground, is beneficial to heat radiation to greatest extent; Printed board adopts four layers, and cloth of being tried one's best by line is at the second layer, and bottom does not connect up, the maximized minimizing number of plies; Internal chip voltages supply is unified is+5V, reduces multiple voltage and supplies the trouble brought; Encapsulating package thickness only about 1mm; Inner all parts all adopt advanced microwave assembly technology to carry out production assembling.
The above embodiment only represents several execution mode of the present utility model, and it describes comparatively concrete and detailed, but can not be interpreted as the restriction to the utility model scope.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to the utility model protection range.Therefore protection range of the present utility model should be as the criterion with described claim.

Claims (3)

1. a miniaturized frequency source, it is characterized in that: comprise phase-locked loop, described phase-locked loop is connected with operational amplifier and single chip circuit, described operational amplifier is also connected with voltage-controlled oscillator circuit, and described voltage controlled oscillator is connected with phase-locked loop circuit.
2. miniaturized frequency source according to claim 1, it is characterized in that: also comprise crystal oscillator and PLL frequency synthesizer, described crystal oscillator and PLL frequency synthesizer electrical connection, more described PLL frequency synthesizer is thrown radio-frequency (RF) switch by the first radio frequency amplifier and band pass filter with hilted broadsword and is electrically connected, described hilted broadsword is thrown radio-frequency (RF) switch more and is electrically connected with rear amplifier module, described rear amplifier module inside is provided with the second radio frequency amplifier, 3rd radio frequency amplifier and the 4th radio frequency amplifier, described hilted broadsword throw more radio-frequency (RF) switch respectively with the second radio frequency amplifier, 3rd radio frequency amplifier and the electrical connection of the 4th radio frequency amplifier, described second radio frequency amplifier, 3rd radio frequency amplifier and the 4th radio frequency amplifier are also all electrically connected with Programmable Logic Controller, described Programmable Logic Controller is electrically connected with loop filter.
3. miniaturized frequency source according to claim 1, is characterized in that: described crystal oscillator is 100MHz constant-temperature crystal oscillator.
CN201520127427.8U 2015-03-05 2015-03-05 Miniaturized frequency source Expired - Fee Related CN204539121U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520127427.8U CN204539121U (en) 2015-03-05 2015-03-05 Miniaturized frequency source

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520127427.8U CN204539121U (en) 2015-03-05 2015-03-05 Miniaturized frequency source

Publications (1)

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CN204539121U true CN204539121U (en) 2015-08-05

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106656049A (en) * 2016-11-24 2017-05-10 成都西科微波通讯有限公司 High performance frequency synthesizer
CN107483048A (en) * 2017-10-10 2017-12-15 南京冉思电子科技有限公司 A kind of generation device of multiband local oscillation signal
CN111077819A (en) * 2019-12-06 2020-04-28 武汉航空仪表有限责任公司 Frequency starting circuit

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106656049A (en) * 2016-11-24 2017-05-10 成都西科微波通讯有限公司 High performance frequency synthesizer
CN106656049B (en) * 2016-11-24 2023-04-07 成都西科微波通讯有限公司 High-performance frequency synthesizer
CN107483048A (en) * 2017-10-10 2017-12-15 南京冉思电子科技有限公司 A kind of generation device of multiband local oscillation signal
CN111077819A (en) * 2019-12-06 2020-04-28 武汉航空仪表有限责任公司 Frequency starting circuit
CN111077819B (en) * 2019-12-06 2021-06-01 武汉航空仪表有限责任公司 Frequency starting circuit

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150805

CF01 Termination of patent right due to non-payment of annual fee