CN206060692U - Integrated frequency demultiplier - Google Patents
Integrated frequency demultiplier Download PDFInfo
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- CN206060692U CN206060692U CN201620999818.3U CN201620999818U CN206060692U CN 206060692 U CN206060692 U CN 206060692U CN 201620999818 U CN201620999818 U CN 201620999818U CN 206060692 U CN206060692 U CN 206060692U
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- tuner
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Abstract
This utility model is related to integrated frequency demultiplier, including the tuner of square shelly, and tuner bottom is provided with opening, tuner top is provided with delivery, and tuner top is provided with casing, and casing is flat casing, the groove being provided with front side of casing, is provided with surface-mounted integrated circuit in groove；Casing back flat is put down and is fitted on the mounting plane of tuner side, tuner bottom opening is changed into cylindric waveguide cylinder from square shape shape by mechanical presses, and the horizontal probe for receiving horizontal polarization signals and the Vertrical probe for receiving vertical polarization signal are provided with waveguide cylinder.This utility model purpose there is provided simple structure, low cost, integrated frequency demultiplier easy to use.
Description
[technical field]
This utility model is related to a kind of frequency demultiplier, more particularly to a kind of integrated frequency demultiplier, belongs to communication frequency demultiplier skill
Art field.
[background technology]
It is to collect faint satellite-signal using satellite antenna that satellite antenna receives the operation principle of satellite television, and should
Satellite-signal reflexes to lnb of the device in disc-shaped antenna focal point, and frequency demultiplier is watched essential to satellite TV's TV
Device.Then, this concentration signal is amplified by lnb, and rf frequency is down to the intermediate frequency of 1GHz to 2GHz or so,
Then receptor or top box of digital machine are sent to via cable.Channel to be watched in signal is selected by receptor, amplified
After demodulation is recovered to image and acoustical signal, just it is input into TV and plays program.
Such as Chinese patent notification number is the utility model patent of CN203166831U, it discloses a kind of dual polarization list sheet
Shake single output high-gain low-noise frequency demultiplier, as shown in figure 1, dual polarization list local oscillator list output high-gain low-noise frequency demultiplier, bag
The waveguide cylinder 1 and the tuner 2 being connected with 1 upper end of waveguide cylinder of bottom are included, tuner 2 is provided with casing 3, collection is provided with casing 3
Into circuit board 4,1 upper end of casing is provided with a delivery 5 for output signal.Casing 3 and surface-mounted integrated circuit 4 are provided with first
Straight grooving 6 and the second straight grooving 7, the lateral wall of waveguide cylinder 1 is provided with the first scale 8.The roof of tuner 2 is provided with the second scale 9.
From in figure, tuner installs surface-mounted integrated circuit with the cylindrical shell body portion being arranged concentrically with waveguide cylinder on tuner
Casing 3 be tabular, on tuner cylindrical shell body portion and tabular casing 3 and between need to connect by connection sheet.
In the structure design, on casing and tuner, between cylindrical shell body portion, attachment structure is complicated, is unfavorable for reducing production cost,
The contour structures of cylindrical shell outside link plate shape casing are also unfavorable for that subsequent installation is used simultaneously.
[utility model content]
This utility model purpose there is provided simple structure, low cost, integrated frequency demultiplier easy to use.
In order to solve above-mentioned problem, this utility model employs following technical proposal：
Integrated frequency demultiplier, including the tuner of square shelly, tuner bottom are provided with opening, and tuner top is provided with
Delivery, the tuner top are provided with casing, it is characterised in that：The casing is flat casing, on front side of the casing
The groove being provided with, is provided with surface-mounted integrated circuit in groove；Casing back flat is put down and is fitted on the mounting plane of tuner side,
Described tuner bottom opening is changed into cylindric waveguide cylinder from square shape shape by mechanical presses, be provided with waveguide cylinder for
Receive the horizontal probe and the Vertrical probe for receiving vertical polarization signal of horizontal polarization signals.
Integration frequency demultiplier as above, it is characterised in that：The nozzle end of the waveguide cylinder is provided with same from inside to outside
Multiple nozzles that the heart is arranged, the nozzle external diameter among adjacent two nozzle positioned at inner ring is less than the nozzle internal diameter positioned at outer ring.
Integration frequency demultiplier as above, it is characterised in that：The nozzle end of the waveguide cylinder has and sets with one heart from inside to outside
Two nozzles put, respectively the first nozzle and the second nozzle, the first nozzle in horn-like, the first nozzle root and the waveguide
The stack shell of cylinder is connected as a single entity, and the second nozzle is in shell-like, and the second nozzle arranged along the first nozzle excircle, the second nozzle root and the
One nozzle is connected as a single entity.
Integration frequency demultiplier as above, it is characterised in that：The nozzle end of the waveguide cylinder has and sets with one heart from inside to outside
Three nozzles put, respectively the first nozzle, the second nozzle and the 3rd nozzle, the first nozzle are in horn-like, the first nozzle root
It is connected as a single entity with the stack shell of the waveguide cylinder；In shell-like, the second nozzle is arranged second nozzle along the first nozzle excircle, second
Mouth root is connected as a single entity with the first nozzle；In shell-like, the 3rd nozzle is arranged 3rd nozzle along the second nozzle excircle, the 3rd nozzle
Root is connected as a single entity with the second nozzle.
Integration frequency demultiplier as above, it is characterised in that：The casing is adhesive into one or is welded with the tuner
Be integrated in succession or screw lock connection or die cast integrative-structure.
Integration frequency demultiplier as above, it is characterised in that：The surface-mounted integrated circuit is provided with phase-modulation line, preposition
Signal amplifier, micro-strip controller, lomix, intermediate frequency amplifier, frequency limitation device and for adjusting front confidence
The accurate voltage controller of number amplifier and micro-strip controller；The horizontal probe and Vertrical probe are connected with phase-modulation line signal
Connect；The casing top is provided with a delivery for output signal, and delivery is connected with the frequency limitation device outfan.
Integration frequency demultiplier as above, it is characterised in that：The phase-modulation line has two, respectively first phase
Modulation lines and second phase modulation lines；The signal preamplifier has two, respectively before the first preamplifier and second
Put amplifier；The micro-strip controller has two, respectively the first micro-strip controller and the second micro-strip controller；It is described locally to shake
Swinging frequency mixer has one；The intermediate frequency amplifier has one；The frequency limitation device has one；The accurate voltage controller has
One；The signal connection successively of the horizontal probe, first phase modulation lines, the first preamplifier and the first micro-strip controller；
The signal connection successively of the Vertrical probe, second phase modulation lines, the second preamplifier and the second micro-strip controller；Described
One micro-strip controller and the second micro-strip controller are connected with lomix signal respectively, the lomix,
The signal connection successively of intermediate frequency amplifier and frequency limitation device；It is first preamplifier, the first micro-strip controller, second preposition
Amplifier and the second micro-strip controller are connected with accurate voltage controller respectively.
Integration frequency demultiplier as above, it is characterised in that：The lomix is that local oscillating frequency is
The frequency mixer of 5150Mhz.
The beneficial effects of the utility model are：
1st, the cylindrical aluminium cylinder of tuner and waveguide cylinder for global formation, tuner bottom opening by mechanical presses by
Square shape shape is changed into cylindric waveguide cylinder, the structure design so that frequency demultiplier is by turning round machinery by side by tuner lower curtate
Extruding means, it is to avoid prior art middle plateform shape casing must use the attachment structure of connection sheet with cylindrical wave guide, can be conveniently
Tabular casing is arranged on the mounting plane of square tuner side, is conducive to cost-effective, conveniently promoted the use of.
2nd, the frequency demultiplier that this utility model is provided can realize high gain, the extremely low signal transmission of noise, using accurate voltage control
Device processed carries out micro-control to voltage, and its switching control precision is high.
3rd, by having be arranged concentrically from inside to outside three nozzles at the nozzle end of waveguide cylinder, i.e., in the cylinder of existing waveguide cylinder
Mouth end excircle adds nozzle, so as to strengthening the reflection of waveguide cylinder itself, receiving signal capabilities, in weak signal area, can be same
Receive the TV image of high-quality.
[description of the drawings]
Fig. 1 is existing frequency demultiplier dimensional structure diagram.
Fig. 2 is this utility model frequency demultiplier dimensional structure diagram.
Fig. 3 is schematic block circuit diagram in this utility model frequency demultiplier.
Nozzle end cross section structure diagrams of the Fig. 4 for this utility model waveguide cylinder.
[specific embodiment]
As shown in Fig. 2 integrated frequency demultiplier, including the tuner 12 of square shelly, 12 bottom of tuner is provided with opening,
12 top of tuner is provided with delivery 5, and 12 top of tuner is provided with casing 13, and casing 13 is flat casing, on front side of casing
The groove being provided with, is provided with surface-mounted integrated circuit in groove；13 back flat of casing put down be fitted in 12 side of tuner installation put down
On face, 12 bottom opening of tuner is changed into cylindric waveguide cylinder 11 from square shape shape by mechanical presses, sets in waveguide cylinder 11
There are the horizontal probe for receiving horizontal polarization signals and the Vertrical probe for receiving vertical polarization signal.Casing 13 and high frequency
12 be adhesive into one or weld be connected as a single entity or screw lock connection or die cast integrative-structure.
As shown in figure 3, horizontal probe 101 and Vertrical probe 102 are provided with waveguide cylinder 1, be provided with the on surface-mounted integrated circuit
One phase-modulation line 401, second phase modulation lines 402, the first signal preamplifier 403, the second signal preamplifier
404th, the first micro-strip controller 405, the second micro-strip controller 406, lomix 407, intermediate frequency amplifier 408, frequency
Limiter 409 and accurate voltage controller 410；Horizontal probe 101, first phase modulation lines 401, the first preamplifier
403 and first micro-strip controller 405 successively signal connection；Vertrical probe 102, second phase modulation lines 402, the second preposition amplification
The signal connection successively of device 404 and the second micro-strip controller 406；First micro-strip controller 405 and the second micro-strip controller 406 are distinguished
Be connected with 407 signal of lomix, lomix 407, intermediate frequency amplifier 408 and frequency limitation device 409 according to
Secondary signal connection；First preamplifier 403, the first micro-strip controller 405, the second preamplifier 404 and the second micro-strip control
Device processed 406 is connected with accurate voltage controller 410 respectively.Wherein, lomix 407 is that local oscillating frequency is
The frequency mixer of 5150Mhz.
The frequency demultiplier operation principle of the present embodiment is as follows：
Horizontal probe 101, Vertrical probe 102 receive horizontal polarization signals and vertical polarization signal, horizontal polarization simultaneously
Signal amplifies signal to suitable through first phase modulation lines 401, the first preamplifier 403 and the first micro-strip controller 405
Scope；At the same time, vertical polarization signal is through first phase modulation lines 402, the first preamplifier 404 and the first micro-strip
Controller 406, amplifies signal to suitable scope；The horizontal polarization signals and vertical polarization signal of amplification are again simultaneously through local
After oscillating mixer 407, intermediate frequency amplifier 408 and frequency limitation device 409, Jing deliveries 5 are exported.Wherein, accurate voltage controller
410 can adjust the first preamplifier 403, the first micro-strip controller 405, the second preamplifier 404 and the second micro-strip control
The voltage of device processed 406.
As shown in figure 4, in order to strengthen the reflection of waveguide cylinder, receive signal capabilities, have by interior at the nozzle end of waveguide cylinder 11 and
Three nozzles being arranged concentrically outward, respectively the first nozzle 110, the second nozzle 120 and the 3rd nozzle 130, the first nozzle 110 is in
Horn-like, 110 root of the first nozzle is connected as a single entity with the stack shell of waveguide cylinder 11；Second nozzle 120 is in shell-like, the second nozzle 120
Arrange along 110 excircle of the first nozzle, 120 root of the second nozzle is connected as a single entity with the first nozzle 110；3rd nozzle 130 is in set
Shape, the 3rd nozzle 130 are arranged along 120 excircle of the second nozzle, and 130 root of the 3rd nozzle is connected as a single entity with the second nozzle 120.
The above, only this utility model preferred embodiment, but protection domain of the present utility model is not limited to
This.
Claims (8)
1. integrated frequency demultiplier, including the tuner of square shelly, tuner bottom are provided with opening, and tuner top is provided with defeated
Lift one's head, the tuner top is provided with casing, it is characterised in that：The casing is flat casing, is set on front side of the casing
Some grooves, are provided with surface-mounted integrated circuit in groove；Casing back flat is put down and is fitted on the mounting plane of tuner side, institute
State tuner bottom opening and cylindric waveguide cylinder is changed into from square shape shape by mechanical presses, be provided with for receiving in waveguide cylinder
The horizontal probe of horizontal polarization signals and the Vertrical probe for receiving vertical polarization signal.
2. integrated frequency demultiplier according to claim 1, it is characterised in that：The nozzle end of the waveguide cylinder is provided with by interior
And the multiple nozzles being arranged concentrically outward, the nozzle external diameter among adjacent two nozzle positioned at inner ring is less than in the nozzle of outer ring
Footpath.
3. integrated frequency demultiplier according to claim 2, it is characterised in that：The nozzle end of the waveguide cylinder has from inside to outside
Two nozzles being arranged concentrically, respectively the first nozzle and the second nozzle, the first nozzle in horn-like, the first nozzle root and institute
The stack shell for stating waveguide cylinder is connected as a single entity, and in shell-like, the second nozzle is arranged the second nozzle along the first nozzle excircle, the second nozzle root
Portion is connected as a single entity with the first nozzle.
4. integrated frequency demultiplier according to claim 2, it is characterised in that：The nozzle end of the waveguide cylinder has from inside to outside
Three nozzles being arranged concentrically, respectively the first nozzle, the second nozzle and the 3rd nozzle, the first nozzle in horn-like, first
Mouth root is connected as a single entity with the stack shell of the waveguide cylinder；In shell-like, the second nozzle is arranged second nozzle along the first nozzle excircle,
Second nozzle root is connected as a single entity with the first nozzle；In shell-like, the 3rd nozzle is arranged 3rd nozzle along the second nozzle excircle, the
Three nozzle roots are connected as a single entity with the second nozzle.
5. integrated frequency demultiplier according to claim 1, it is characterised in that：The casing is one with the tuner adhesion
Body or welding are connected as a single entity or screw lock connects or the integrative-structure of die cast.
6. integrated frequency demultiplier according to claim 1, it is characterised in that：The surface-mounted integrated circuit is provided with phase-modulation
Line, signal preamplifier, micro-strip controller, lomix, intermediate frequency amplifier, frequency limitation device and for adjusting
The accurate voltage controller of signal preamplifier and micro-strip controller；The horizontal probe and Vertrical probe and phase-modulation line
Signal connects；The casing top is provided with a delivery for output signal, and delivery is exported with the frequency limitation device
End connection.
7. integrated frequency demultiplier according to claim 6, it is characterised in that：The phase-modulation line has two, respectively
First phase modulation lines and second phase modulation lines；The signal preamplifier has two, respectively the first preamplifier
With the second preamplifier；The micro-strip controller has two, respectively the first micro-strip controller and the second micro-strip controller；Institute
Stating lomix has one；The intermediate frequency amplifier has one；The frequency limitation device has one；The accurate voltage
Controller has one；The horizontal probe, first phase modulation lines, the first preamplifier and the first micro-strip controller are believed successively
Number connection；Signal connects successively for the Vertrical probe, second phase modulation lines, the second preamplifier and the second micro-strip controller
Connect；The first micro-strip controller and the second micro-strip controller are connected with lomix signal respectively, described locally to shake
Swing the signal connection successively of frequency mixer, intermediate frequency amplifier and frequency limitation device；First preamplifier, the control of the first micro-strip
Device, the second preamplifier and the second micro-strip controller are connected with accurate voltage controller respectively.
8. integrated frequency demultiplier according to claim 6, it is characterised in that：The lomix is local oscillations
Frequency mixer of the frequency for 5150Mhz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620999818.3U CN206060692U (en) | 2016-08-30 | 2016-08-30 | Integrated frequency demultiplier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620999818.3U CN206060692U (en) | 2016-08-30 | 2016-08-30 | Integrated frequency demultiplier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206060692U true CN206060692U (en) | 2017-03-29 |
Family
ID=58378866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620999818.3U Active CN206060692U (en) | 2016-08-30 | 2016-08-30 | Integrated frequency demultiplier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206060692U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109561267A (en) * | 2018-12-04 | 2019-04-02 | 安徽站乾科技有限公司 | A kind of dual polarization tuner of the detachable fin of band |
-
2016
- 2016-08-30 CN CN201620999818.3U patent/CN206060692U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109561267A (en) * | 2018-12-04 | 2019-04-02 | 安徽站乾科技有限公司 | A kind of dual polarization tuner of the detachable fin of band |
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