CN206060958U - KU band duals local oscillator four exports the improved structure of frequency demultiplier and frequency demultiplier waveguide cylinder - Google Patents
KU band duals local oscillator four exports the improved structure of frequency demultiplier and frequency demultiplier waveguide cylinder Download PDFInfo
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- CN206060958U CN206060958U CN201620995826.0U CN201620995826U CN206060958U CN 206060958 U CN206060958 U CN 206060958U CN 201620995826 U CN201620995826 U CN 201620995826U CN 206060958 U CN206060958 U CN 206060958U
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- waveguide cylinder
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Abstract
This utility model is related to the improved structure of frequency demultiplier waveguide cylinder, including waveguide cylinder, the horizontal probe for receiving horizontal polarization signals and the Vertrical probe for receiving vertical polarization signal are provided with waveguide cylinder, the nozzle end of waveguide cylinder is provided with the multiple nozzles being arranged concentrically from inside to outside, and the nozzle external diameter among adjacent two nozzle positioned at inner ring is less than the nozzle internal diameter positioned at outer ring.This utility model purpose there is provided that reception signal effect is good, the improved structure of the output frequency demultiplier of KU band duals local oscillator four easy to use and frequency demultiplier waveguide cylinder.
Description
[technical field]
This utility model is related to a kind of frequency demultiplier, and more particularly to a kind of KU band duals local oscillator four exports frequency demultiplier and frequency demultiplier
The improved structure of waveguide cylinder, belongs to communication frequency demultiplier technical 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.
The waveguide cylinder of traditional frequency demultiplier has the waveguide nozzle of a bore, in weak signal area, causes the program cannot
Receive or cannot receive the TV image of high-quality.
[utility model content]
It is good that this utility model purpose there is provided reception signal effect, the output of KU band duals local oscillator four frequency reducing easy to use
The improved structure of device and frequency demultiplier waveguide cylinder.
In order to solve above-mentioned problem, this utility model employs following technical proposal：
The improved structure of frequency demultiplier waveguide cylinder, including waveguide cylinder, are provided with for receiving horizontal polarization signals in waveguide cylinder
Horizontal probe and the Vertrical probe for receiving vertical polarization signal, it is characterised in that：The nozzle end of the waveguide cylinder is arranged
There are the multiple nozzles being arranged concentrically from inside to outside, the nozzle external diameter among adjacent two nozzle positioned at inner ring is less than the cylinder positioned at outer ring
Mouth internal diameter.
The improved structure of frequency demultiplier waveguide cylinder as above, it is characterised in that：The nozzle end of the waveguide cylinder has by interior
And two nozzles being arranged concentrically outward, respectively the first nozzle and the second nozzle, the first nozzle is 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 the second nozzle along the first nozzle excircle, second
Mouth root is connected as a single entity with the first nozzle.
The improved structure of frequency demultiplier waveguide cylinder as above, it is characterised in that：The nozzle end of the waveguide cylinder has by interior
And three nozzles being arranged concentrically outward, respectively the first nozzle, the second nozzle and the 3rd nozzle, the first nozzle in horn-like, the
One nozzle root is connected as a single entity with the stack shell of the waveguide cylinder；Second nozzle is in shell-like, and the second nozzle is along the first nozzle excircle
Arrange, the second nozzle root is connected as a single entity with the first nozzle；In shell-like, the 3rd nozzle sets 3rd nozzle along the second nozzle excircle
Put, the 3rd nozzle root is connected as a single entity with the second nozzle.
A kind of output frequency demultiplier of KU band duals local oscillator four of improved structure with above-mentioned frequency demultiplier waveguide cylinder, including waveguide
Cylinder and the tuner for being connected to waveguide cylinder upper end, tuner are provided with casing, surface-mounted integrated circuit, casing are provided with the casing
On be connected with four deliveries for signal output；
The surface-mounted integrated circuit is provided with the sequentially signal preamplifier of signal connection, band filter, local oscillations
Frequency mixer and intermediate frequency amplifier；
The signal preamplifier has two, respectively the first preamplifier and the second preamplifier；
The band filter has two, respectively the first band filter and the second band filter；
The lomix has four, respectively the first lomix, the second lomix,
3rd lomix, the 4th lomix；
The intermediate frequency amplifier has four, and respectively the first intermediate frequency amplifier, the second intermediate frequency amplifier, the 3rd intermediate frequency amplify
Device and the 4th intermediate frequency amplifier；
The signal connection successively of the horizontal probe, the first preamplifier signal, the first band filter, the vertical spy
The signal connection successively of pin, the second preamplifier signal, the second band filter；First band filter outfan is respectively with
One lomix and the connection of the second lomix input end signal；Second band filter outfan respectively with
3rd lomix and the connection of the 4th lomix input end signal；
Signal connects successively for first lomix outfan and first intermediate frequency amplifier, first delivery
Connect；Signal is connected successively for second lomix outfan and second intermediate frequency amplifier, second delivery；3rd
Lomix outfan is with the 3rd intermediate frequency amplifier, signal is connected the 3rd delivery successively；4th locally shakes
Swing mixer output and the 4th intermediate frequency amplifier, signal is connected the 4th delivery successively.
The beneficial effects of the utility model are：
1st, 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.
2nd, four outputs that frequency demultiplier separately works independently, with high accuracy, high-gain and working with low noise performance, weak
Signaling zone, by having be arranged concentrically from inside to outside three nozzles at the nozzle end of waveguide cylinder, multi-user equally can receive simultaneously
To the effect of the TV image and signal transmission of high-quality, multi-user's reception simultaneously, it does not interfere with each other, is independent of each other.
[description of the drawings]
Fig. 1 is frequency demultiplier dimensional structure diagram.
Nozzle end cross section structure diagrams of the Fig. 2 for waveguide cylinder.
Fig. 3 is schematic block circuit diagram in frequency demultiplier.
[specific embodiment]
As depicted in figs. 1 and 2, the improved structure of frequency demultiplier waveguide cylinder, including waveguide cylinder 1, be provided with waveguide cylinder 1 for
The horizontal probe and the Vertrical probe for receiving vertical polarization signal of horizontal polarization signals are received, the nozzle end of waveguide cylinder 1 sets
The multiple nozzles being arranged concentrically from inside to outside are equipped with, the nozzle external diameter among adjacent two nozzle positioned at inner ring is less than positioned at outer ring
Nozzle internal diameter.
Examples of implementation：There are three nozzles being arranged concentrically from inside to outside, respectively the first nozzle in the nozzle end of waveguide cylinder 1
11st, the second nozzle 12 and the 3rd nozzle 13, the radial spacing between the first nozzle 11, the second nozzle 12 and the 3rd nozzle 13 are optional
Different design sizes are selected, the reception that is optimal with 1 entirety of waveguide, transmission signal performance are optimal.First nozzle 11 is in
Horn-like, 11 root of the first nozzle is connected as a single entity with the stack shell of waveguide cylinder 1；Second nozzle 12 is in shell-like, and the second nozzle 12 is along the
One nozzle, 11 excircle is arranged, and 12 root of the second nozzle is connected as a single entity with the first nozzle 11；3rd nozzle 13 is in shell-like, the 3rd
Mouth 13 is arranged along 12 excircle of the second nozzle, and 13 root of the 3rd nozzle is connected as a single entity with the second nozzle 12.
A kind of KU band duals local oscillator four exports frequency demultiplier, including the waveguide of the improved structure with above-mentioned frequency demultiplier waveguide cylinder
Cylinder 1 and the tuner 2 of 1 upper end of waveguide cylinder is connected to, is provided with waveguide cylinder 1 for receiving the horizontal probe of horizontal polarization signals
With for receiving the Vertrical probe of vertical polarization signal, tuner 2 is provided with casing, surface-mounted integrated circuit, machine is provided with casing
Four deliveries 4 for signal output are connected with shell.
As shown in figure 3, surface-mounted integrated circuit is provided with the sequentially signal preamplifier of signal connection, band filter, sheet
Ground oscillating mixer and intermediate frequency amplifier；Signal preamplifier has two, before respectively the first preamplifier 101 and second
Put amplifier 102；Band filter has two, respectively the first band filter 103 and the second band filter 104；Locally
Oscillating mixer has four, and respectively the first lomix 105, the second lomix the 106, the 3rd are locally shaken
Swing frequency mixer 107, the 4th lomix 108；Intermediate frequency amplifier has four, respectively the first intermediate frequency amplifier 109,
Two intermediate frequency amplifiers 110, the 3rd intermediate frequency amplifier 111 and the 4th intermediate frequency amplifier 112.
The signal connection successively of horizontal probe, the first preamplifier signal 101, the first band filter 103, it is vertical to visit
The signal connection successively of pin, the second preamplifier signal 102, the second band filter 104；First band filter 103 is exported
End is connected with the first lomix 105 and 106 input end signal of the second lomix respectively；Second band logical is filtered
104 outfan of ripple device is connected with the 3rd lomix 107 and 108 input end signal of the 4th lomix respectively
Connect.Signal is connected 109, first delivery 4 of first lomix, 105 outfan and the first intermediate frequency amplifier successively；
Signal is connected 110, second delivery 4 of second lomix, 106 outfan and the second intermediate frequency amplifier successively；3rd
107 outfan of lomix is with the 3rd intermediate frequency amplifier 111, signal is connected the 3rd delivery 4 successively；4th is local
108 outfan of oscillating mixer is with the 4th intermediate frequency amplifier 112, signal is connected the 4th delivery 4 successively.First local oscillations
Frequency mixer 105 and the high-frequency signal frequency mixer that the 4th lomix 108 is output 1100-2150MHz signal frequencies, the
Two lomix 106 and the low frequency signal that the 3rd lomix 107 is output 950-1950MHz signal frequencies
Frequency mixer.
The above, only this utility model preferred embodiment, but protection domain of the present utility model is not limited to
This.
Claims (4)
1. the improved structure of frequency demultiplier waveguide cylinder, including waveguide cylinder, is provided with for receiving horizontal polarization signals in waveguide cylinder
Horizontal probe and the Vertrical probe for receiving vertical polarization signal, it is characterised in that：The nozzle end of the waveguide cylinder is provided with
The multiple nozzles being arranged concentrically from inside to outside, the nozzle external diameter among adjacent two nozzle positioned at inner ring is less than the nozzle positioned at outer ring
Internal diameter.
2. the improved structure of frequency demultiplier waveguide cylinder according to claim 1, it is characterised in that：The nozzle end of the waveguide cylinder
Have two nozzles being arranged concentrically from inside to outside, respectively the first nozzle and the second nozzle, the first nozzle in horn-like, first
Mouth root is connected as a single entity with the stack shell of the waveguide cylinder, and in shell-like, the second nozzle is arranged the second nozzle along the first nozzle excircle,
Second nozzle root is connected as a single entity with the first nozzle.
3. the improved structure of frequency demultiplier waveguide cylinder according to claim 1, it is characterised in that：The nozzle end of the waveguide cylinder
There are three nozzles being arranged concentrically from inside to outside, respectively the first nozzle, the second nozzle and the 3rd nozzle, the first nozzle is in loudspeaker
Shape, the first nozzle root are connected as a single entity with the stack shell of the waveguide cylinder；Second nozzle is in shell-like, and the second nozzle is outside the first nozzle
Circumference is arranged, and the second nozzle root is connected as a single entity with the first nozzle；, in shell-like, the 3rd nozzle is cylindrical along the second nozzle for 3rd nozzle
Week is arranged, and the 3rd nozzle root is connected as a single entity with the second nozzle.
4. a kind of KU band duals local oscillator four of improved structure with above-mentioned frequency demultiplier waveguide cylinder exports frequency demultiplier, and its feature exists
In：Including the waveguide cylinder and the tuner for being connected to waveguide cylinder upper end, tuner is provided with casing, is provided with the casing
Surface-mounted integrated circuit, is connected with four deliveries for signal output in casing；
The surface-mounted integrated circuit is provided with the sequentially signal preamplifier of signal connection, band filter, local oscillations mixing
Device and intermediate frequency amplifier；
The signal preamplifier has two, respectively the first preamplifier and the second preamplifier；
The band filter has two, respectively the first band filter and the second band filter；
The lomix has four, respectively the first lomix, the second lomix, the 3rd
Lomix, the 4th lomix；
The intermediate frequency amplifier has four, respectively the first intermediate frequency amplifier, the second intermediate frequency amplifier, the 3rd intermediate frequency amplifier and
4th intermediate frequency amplifier；
The signal connection successively of the horizontal probe, the first preamplifier signal, the first band filter, the Vertrical probe,
The signal connection successively of second preamplifier signal, the second band filter；First band filter outfan is respectively with first
Lomix and the connection of the second lomix input end signal；Second band filter outfan is respectively with
Three lomix and the connection of the 4th lomix input end signal；
Signal is connected successively for first lomix outfan and first intermediate frequency amplifier, first delivery；The
Signal is connected successively for two lomix outfans and second intermediate frequency amplifier, second delivery；3rd is local
Oscillating mixer outfan is with the 3rd intermediate frequency amplifier, signal is connected the 3rd delivery successively；4th local oscillations is mixed
Frequency device outfan is with the 4th intermediate frequency amplifier, signal is connected the 4th delivery successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620995826.0U CN206060958U (en) | 2016-08-30 | 2016-08-30 | KU band duals local oscillator four exports the improved structure of frequency demultiplier and frequency demultiplier waveguide cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620995826.0U CN206060958U (en) | 2016-08-30 | 2016-08-30 | KU band duals local oscillator four exports the improved structure of frequency demultiplier and frequency demultiplier waveguide cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206060958U true CN206060958U (en) | 2017-03-29 |
Family
ID=58379157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620995826.0U Active CN206060958U (en) | 2016-08-30 | 2016-08-30 | KU band duals local oscillator four exports the improved structure of frequency demultiplier and frequency demultiplier waveguide cylinder |
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| CN (1) | CN206060958U (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 CN201620995826.0U patent/CN206060958U/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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