CN2415546Y - Bipolar four-output multiple selection satellite frequency demultiplier - Google Patents
Bipolar four-output multiple selection satellite frequency demultiplier Download PDFInfo
- Publication number
- CN2415546Y CN2415546Y CN 00205724 CN00205724U CN2415546Y CN 2415546 Y CN2415546 Y CN 2415546Y CN 00205724 CN00205724 CN 00205724 CN 00205724 U CN00205724 U CN 00205724U CN 2415546 Y CN2415546 Y CN 2415546Y
- Authority
- CN
- China
- Prior art keywords
- signal
- frequency
- groups
- satellite
- multiple selection
- 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
Links
Images
Landscapes
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Abstract
The utility model relates to a bipolar four-output multiple selection satellite frequency demultiplier. Primarily, a satellite frequency demultiplier and a multiple selection switch are combined into one unit. When satellite signals are received by a dish-shaped antenna, the signals are led in the bipolar four-output multiple selection satellite frequency demultiplier. Four output parts are connected to an indoor receiver by coaxial cable wires 35. The combination of 13V, 8V, 22KHz is provided by the receiver, which respectively selects satellite vertical or horizontal and low-frequency band or high-frequency band signals. The utility model not only can simplify the assembly of a system, but also can save the number of the coaxial cable wires, reduces product cost, and can also increase using efficacy.
Description
The utility model is the multiple selection satellite frequency demultipliers of a kind of bipolarity four outputs, refers to a kind of satellite frequency demultiplier in conjunction with multiple selector switch especially, belongs to satellite signals receiver field.
Generally as shown in Figure 1 at multi-user's's (refer to four receive users) satellite signals receiving system device, need to receive signal through a dish-shaped antenna (1), see through the signal amplification that satellite frequency demultiplier (2) concentrates teledish again and be downconverted to Mid Frequency, wherein satellite frequency demultiplier is two outputs, one is at vertical signal, another is at horizontal signal, these two kinds of signals reach indoor through coaxial wire (3), connect multiple selector switch (4) again, this multiple selector switch has four outputs, each output is connected to receiver (6) through coaxial wire (5) again, and providing the voltage 13V of difference or 18V to be transmitted back to multiple selector switch (4) through coaxial wire (5) by receiver (6), the voltage of this difference is in order to control multiple selector switch to select the horizontal or vertical signal of satellite respectively.
Aforesaid present satellite frequency demultiplier as shown in Figure 2, at first vertical and horizontal signal (V and H) is respectively respectively through one group of low noise amplifier (10), band pass filter (20), local oscillator (30) provides frequency of oscillation respectively to the frequency mixer (40) of vertical and level, amplify output through intermediate frequency amplifier (50) respectively again, these two outputs one are horizontal signal, and another is vertical signal.
Aforesaid present multiple selector switch device as shown in Figure 3, vertical and horizontal intermediate frequency signal (V and H) passes through primary distribution device (70) respectively, again respectively through two secondary distribution devices (71), each one is divided into four vertical and horizontal signal, then respectively through the selector switch (80) of four alternatives, two inputs of these four alternative selector switches are respectively vertical and horizontal signal, this selector switch is to select vertical by the 13V that indoor receiver provides, 18V selects level, so just, can make indoor receiver select the level and the vertical signal of satellite, export through intermediate frequency amplifier (90) again with voltage difference.
Other have a kind of at Europe ASTRA and the receiving system device of EUTELSAT satellite system as shown in Figure 4, teledish (1) receives satellite signals, input to full frequency band satellite frequency demultiplier (2), this full frequency band satellite frequency demultiplier amplifies the signal that teledish receives and frequency reducing, have four outputs, one is the vertical signal of low-frequency range, one is the horizontal signal of low-frequency range, one is the vertical signal of high band, another is the horizontal signal of high band, these four kinds of signals reach indoor through four coaxial wires (3) respectively, be connected to four inputs, four output multiple selector switches (4) again, output partly is connected to receiver (6) through coaxial wire (5) again, provides 13V OH by receiver
z, 13V 22KH
z, 18VOH
z, 18V 22KH
zControlling signal, horizontal or vertical in order to select, the signal of low-frequency range or high band.
Aforementioned full frequency band satellite frequency demultiplier such as Fig. 5, two groups of amplification levels respectively and vertical signal (V are arranged, H) low noise amplifier (10), through two high-frequency signals distributors (60), level respectively is divided into two with vertical signal, be connected to four band pass filters (20) respectively again, these four band pass filters, wherein two at low-frequency range (L), in addition two at high band (H), two local oscillators (30) provide high band frequency of oscillation and low-frequency range frequency of oscillation respectively, the low-frequency range frequency of oscillation provides to two low-frequency range frequency mixers (40), and the high band frequency of oscillation provides to two high band frequency mixers (41), exports through four groups of intermediate frequency amplifiers (50) again.
The multiple selector switch device of aforementioned four inputs, four outputs as shown in Figure 6, this four input signal is earlier through four primary distribution devices (70), eight secondary distribution devices (71), each group signal one is divided into four, select a selector switch (81) through four four again, and then output behind four intermediate frequency amplifiers (50).
Aforementioned two kinds of common receiving system devices include the independent individual of a satellite frequency demultiplier (2) and a multiple selector switch (4) respectively, not only increase the cost of product, and the trouble of also relative increase system assembles.
The purpose of this utility model is to solve the shortcoming of existing satellite signals receiving system, provides a kind of bipolarity four outputs multiple selection satellite frequency demultiplier.
The technical solution of the utility model is: satellite frequency demultiplier and multiple selector switch are combined into one, after satellite signals receive through teledish, its signal promptly is introduced into the multiple selection satellite frequency demultiplier of this new bipolar four outputs, these four outputs partly are connected to indoor receiver through coaxial wire, and receiver provides 13V, 18V, 22KH thus
zCombination selecting the horizontal or vertical of satellite respectively, the signal of low-frequency range or high band, but the not only assembling of simplified system, and can save the number of coaxial wire reduce product cost, are a product that uses effect of promoting again not seen before.
Below in conjunction with drawings and Examples the utility model being done one describes in detail.
Fig. 1 is existing satellite signals receiving system schematic diagram.
Fig. 2 is the frequency demultiplier schematic diagram of existing satellite signals receiving system.
Fig. 3 is the schematic diagram of the multiple selector switch of dual input four outputs of existing satellite signals receiving system.
Fig. 4 is existing full frequency band satellite signals receiving system schematic diagram.
Fig. 5 is existing full frequency band satellite signals receiving system frequency demultiplier schematic diagram.
Fig. 6 is the multiple selector switch schematic diagram of four inputs, four outputs of existing full frequency band satellite signals receiving system.
Fig. 7 is the utility model satellite signals receiving system schematic diagram.
Fig. 8 is the schematic diagram of the utility model satellite signals receiving system.
Fig. 9 is another embodiment full frequency band satellite signals receiving system schematic diagram of the utility model.
Figure 10 is the schematic diagram of another embodiment full frequency band satellite signals receiving system of the utility model.
Figure 11 is another enforcement illustration of the multiple selector switch of the utility model four inputs, four outputs.
Figure 12 is the utility model height (H), low (L) frequency range signal choice device schematic diagram.
Among the figure: (1) is teledish, and (2) are frequency demultiplier, and (3) are coaxial wire, (4) be multiple selector switch, (5) be coaxial wire, (6) are receiver, and (10) are low noise amplifier, (20) be band pass filter, (24) be this novel satellite frequency demultiplier, (30) are local oscillator, and (35) are coaxial wire, (40) be frequency mixer, (41) be the high band frequency mixer, (42) are coupler, and (50) are intermediate frequency amplifier, (60) be the high-frequency signals distributor, (70) be the primary distribution device, (71) are the secondary distribution device, and (80) are the alternative selector switch, (81) be four to select a selector switch, (90) be intermediate frequency amplifier, V is vertical signal, and H is horizontal signal, L is a low-frequency range, and H is a high band.
This is novel to be combined into one-body molded bipolarity four output multiple selection satellite frequency demultipliers (24) (consulting Fig. 7) for a kind of with multiple selector switch (refer to especially dual input four output or four inputs, four outputs more than reselection procedure switch) and satellite frequency demultiplier, after satellite signals receive through teledish (1), signal is introduced this novel bipolarity four output multiple selection satellite frequency demultipliers (24), these four outputs partly are connected to indoor receiver (6) through coaxial wire (35), and receiver can provide 13V or 18V to select the horizontal or vertical signal of satellite respectively.So just, assembling that can simplified system, and can save the coaxial wire number, reduce product cost.
As shown in Figure 8, schematic diagram for the multiple selector switch satellite frequency demultiplier of this new bipolar four outputs, at first signal amplifies through low noise amplifier (10) respectively, pass through band pass filter (20) more respectively, local oscillator (30) provides frequency of oscillation to be supplied to level and vertical frequency mixer (40) simultaneously, again through a signal distributor (70) and secondary distribution device (71), respectively vertical and horizontal signal one are divided into four, each is respectively through the selector switch (80) of four alternatives then, the control of these four selector switches is the 13V that provided by indoor receiver respectively or the signal of 18V horizontal or vertical to select (V and H), through four groups of intermediate frequency amplifiers (90), export then again.
This novel another embodiment also may extend to the satellite system at the ASTRA in Europe and EUTELSAT use full frequency band, satellite frequency demultiplier is combined with the multiple selector switch of four inputs, four outputs, the bipolarity four output multiple selection satellite frequency demultipliers (24) (seeing also Fig. 9) of moulding make it to become one, after satellite signals receive through teledish (1), signal is introduced this new bipolar four output multiple selection frequency demultipliers (24), these four outputs partly are connected to indoor receiver (6) through coaxial wire (35), and four indoor receivers (6) can provide 13V OH separately
z, 13V22KH
z, 18V OH
z, 18V 22KH
z, select the vertical signal of low-frequency range respectively, the vertical signal of high band, the horizontal signal of low-frequency range, the horizontal signal of high band.Thereby simplified the assembling of system, and also can save the coaxial wire number, reduce product cost.
As shown in figure 10, schematic diagram for this new bipolar four multiple another embodiment of selector switch satellite frequency demultiplier of output (full frequency band), at first level and vertical signal amplify through two groups of low noise amplifiers (10) respectively, respectively vertical and horizontal signal are divided into two through two groups of high-frequency signals distributors (60) respectively again, connect four band pass filters (20) more respectively, these four band pass filters, wherein two is low-frequency range, two is high band in addition, two local oscillators (30) provide high band frequency of oscillation and low-frequency range frequency of oscillation respectively, the low-frequency range frequency of oscillation provides to two low-frequency range frequency mixers (40), the high band frequency of oscillation provides to two high band frequency mixers (41), again respectively through four intermediate frequency amplifiers (50), four groups of primary distribution devices (70), eight groups of secondary distribution devices (71), each group signal one was divided into for four (four are divided into 16), select a selector switch (81) through four group four again, and then through four groups of intermediate frequency amplifiers (90) output, wherein four groups of primary distribution devices (70) also can use coupler as shown in figure 11 to replace with eight groups of secondary distribution devices (71).
Figure 11 is another enforcement illustration of the multiple selector switch of aforementioned four inputs, four outputs, and each input takes out signal with the method for coupling.At first each input signal is respectively through four couplers (42), signal is taken out, the end points of each input signal uses one 75 Ω build-out resistors, signal from the coupler taking-up, again with the signal of other three coupler taking-ups, become four inputs that select a selector switch, through four select a selector switch after, amplify output again.
This is novel because of being ASTRA and the EUTELSAT at Europe, uses the satellite system of full frequency band, so singly do not have only level or vertical signal, simultaneously level or vertical signal is divided into low-frequency range and high band, therefore many controlling signal 22KH
z, in order to select low-frequency range (L) or high band (H), it selects situation as shown in figure 12, and 13V OH is arranged respectively
zSelect the vertical signal of low-frequency range, 18VOH
zSelect the horizontal signal of low-frequency range, 13V 22KH
zSelect the vertical signal of high band, 18V22KH
zSelect the horizontal signal of high band, this controlling signal is to be provided by indoor receiver.
In sum, these novel characteristics are for to combine two products, thereby engine housing becomes and have only one, and its satellite frequency demultiplier of while and multiple selector switch also can be shared because of multiple element, product cost is reduced greatly, but and the use of simplified system assembling and minimizing coaxial wire.
Claims (5)
1. a bipolarity four is exported multiple selection satellite frequency demultiplier, it is characterized in that: with the be combined into one bipolarity four output multiple selection satellite frequency demultipliers (24) of moulding of satellite frequency demultiplier (2) and multiple selector switch (4), it has four outputs partly, vertical, level, low-frequency range and high band output signal partly all can be independently selected in each output.
2. bipolarity four is according to claim 1 exported multiple selection satellite frequency demultiplier, it is characterized in that: wherein, to vertically reach horizontal signal respectively through two groups of low noise amplifiers (10), two groups of band pass filters (20), two frequency mixers (40), a local oscillator (30), two groups of signal distributors (70), connect four groups of signal distributors (71) more alternately, connect four groups of alternative signal selector switches (80) then alternately, two inputs of these four groups of alternative selector switches (80) are respectively vertical and horizontal signal, form four groups of circuits, connect four groups of intermediate frequency amplifiers (90) respectively.
3. bipolarity four is according to claim 1 exported multiple selection satellite frequency demultiplier, it is characterized in that: wherein will vertically reach horizontal signal respectively through two groups of low noise amplifiers (10), again respectively through two groups of high-frequency signals distributors (60), make signal form four the tunnel, connect four band pass filters (20) more respectively, these four band pass filters, wherein two is low-frequency range, two is high band in addition, four frequency mixers (40) (41), two local oscillators (30) are divided into two the tunnel separately, respectively through four groups of intermediate frequency amplifiers (50), four column of dispensers (70), make signal form eight groups, connect eight column of dispensers (71) more respectively, make signal form ten six the tunnel, connect four more respectively and select a selector switch (81), form four the tunnel at last and export through four groups of intermediate frequency amplifiers (90) again.
4. as the multiple selection satellite frequency demultiplier of four outputs of the bipolarity as described in the claim 3, it is characterized in that: wherein distributor (70) (71) partly can use signal coupler (42) to replace.
5. as the multiple selection satellite frequency demultiplier of four outputs of the bipolarity as described in the claim 3, it is characterized in that: wherein the selection of height frequency range signal has 13V OH respectively
zSelect the vertical signal of low-frequency range, 18V OH
zSelect the horizontal signal of low-frequency range, 13V 22KH
zSelect the vertical signal of high band, 18V22KH
zSelect the horizontal signal of high band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00205724 CN2415546Y (en) | 2000-02-17 | 2000-02-17 | Bipolar four-output multiple selection satellite frequency demultiplier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00205724 CN2415546Y (en) | 2000-02-17 | 2000-02-17 | Bipolar four-output multiple selection satellite frequency demultiplier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2415546Y true CN2415546Y (en) | 2001-01-17 |
Family
ID=33573847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00205724 Expired - Fee Related CN2415546Y (en) | 2000-02-17 | 2000-02-17 | Bipolar four-output multiple selection satellite frequency demultiplier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2415546Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102130671A (en) * | 2010-12-14 | 2011-07-20 | 苏州华芯微电子股份有限公司 | Special chip for DiSEqC switch |
| CN102868416A (en) * | 2012-09-24 | 2013-01-09 | 中国科学院紫金山天文台 | Integrated heterodyne array receiver of millimeter and sub-millimeter wave bands |
| CN108736902A (en) * | 2017-04-17 | 2018-11-02 | 东莞百电子有限公司 | A kind of novel combination S frequency ranges and KU frequency range tuners |
-
2000
- 2000-02-17 CN CN 00205724 patent/CN2415546Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102130671A (en) * | 2010-12-14 | 2011-07-20 | 苏州华芯微电子股份有限公司 | Special chip for DiSEqC switch |
| CN102868416A (en) * | 2012-09-24 | 2013-01-09 | 中国科学院紫金山天文台 | Integrated heterodyne array receiver of millimeter and sub-millimeter wave bands |
| CN102868416B (en) * | 2012-09-24 | 2014-08-06 | 中国科学院紫金山天文台 | Integrated heterodyne array receiver of millimeter and sub-millimeter wave bands |
| CN108736902A (en) * | 2017-04-17 | 2018-11-02 | 东莞百电子有限公司 | A kind of novel combination S frequency ranges and KU frequency range tuners |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5382971A (en) | Television signal cable distribution system and assembly of elements for constituting such a system | |
| CN201048432Y (en) | Frequency division section type broadband splitter | |
| CN1224260C (en) | Local network forming part of cable TV system | |
| CN1124080A (en) | Radio architecture with dual frequency source selection | |
| CN102291157B (en) | Multi-system channel multiplex circuit | |
| CN2415546Y (en) | Bipolar four-output multiple selection satellite frequency demultiplier | |
| CN201146499Y (en) | Polarization mode selection circuit and satellite receiver containing the same | |
| CN1254093C (en) | RF system integrated with RF switch and RF modulation | |
| CN104363432A (en) | Single-cable combined switch system | |
| CN2464022Y (en) | Double-polarity eight-output multiple selective satellite frequency reducer | |
| CN103179388A (en) | Matrix receiving method and device for multiple satellite digital television signals | |
| CN102292987A (en) | Rf circuit module and panel | |
| CN201365249Y (en) | KU band binary multi-output satellite low noise block | |
| CN1838761B (en) | Front equipment of set-top box for two-way communication | |
| CN1222007A (en) | SW multiradio share antenna isolating coupling system | |
| US5386226A (en) | Connection unit for a television signal distribution system | |
| CN203136068U (en) | Multi-channel satellite digital television signal matrix receiving device | |
| CN115833849A (en) | Self-adaptive transparent transmission type multi-system combiner platform | |
| WO2021262592A1 (en) | Frequency converting cable network signal transmission devices | |
| CN2879544Y (en) | System of frequency distribution user inserted in local network | |
| CN201398191Y (en) | Multi-output high frequency tuner | |
| CN1167295C (en) | Base station receiver and transmitter radio frequency front end branching apparatus | |
| EP1124292B1 (en) | Home distribution apparatus for antenna signals for transmission of television and/or radio programs | |
| CN201181973Y (en) | Multi-format digital/analogue signal mixed switching matrix | |
| CN2370628Y (en) | Multi-way satellite television switch with switch controller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20010117 |