CN201174700Y - Multi-band signal integration processing device - Google Patents
Multi-band signal integration processing device Download PDFInfo
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- CN201174700Y CN201174700Y CNU2008200037275U CN200820003727U CN201174700Y CN 201174700 Y CN201174700 Y CN 201174700Y CN U2008200037275 U CNU2008200037275 U CN U2008200037275U CN 200820003727 U CN200820003727 U CN 200820003727U CN 201174700 Y CN201174700 Y CN 201174700Y
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Abstract
The utility model provides a multiband signal integration processing device, comprising a plurality of signal receiving units, a plurality of signal frequency reduction units, a switcher, a plurality of channel distributing units and an adder, wherein the plurality of signal receiving units are used for receiving a plurality of wireless signals; the plurality of signal frequency reduction units are used for reducing the frequency of the plurality of received wireless signals; the switcher is used for distributing the plurality of frequency reduction signals; the plurality of signal frequency reduction units transfer the plurality of frequency reduction signals to the corresponding channel frequency in order to generate a plurality of channel signals; and the adder is used for accumulating and outputting the plurality of channel signals.
Description
Technical field
The utility model relates to a kind of signal integration processing unit, and relates in particular to a kind of wireless receiving signal of multiband of integrating in the device of a single output signal.
Background technology
General wireless signal receiving system, for example satellite signal receiving apparatus is earlier the wireless signal frequency reducing that receives to be become intermediate-freuqncy signal, sends the user again to and watches.Yet if each wireless signal is all set up one group of signal receiving device, its each corresponding transmission cable, cost will be quite expensive.Therefore, transmit with a single cable again, can significantly reduce cost if each wireless signal that can will receive is integrated into a single signal.
Fig. 1 is the schematic diagram that a known satellite-signal receives integrating apparatus.This satellite-signal receives integrating apparatus 101 and comprises a plurality of satellite-signal receiving elements 102, a plurality of satellite-signal frequency reducings unit 103 and an adder 104.Described a plurality of satellite-signal receiving element 102 respectively comprises a low noise amplifier 1021 and a band pass filter 1022, wherein this low noise amplifier 1021 amplifies the high frequency satellite-signal of its reception, and the high frequency satellite-signal that this band pass filter 1022 filters this amplification makes it be defined in a frequency range.Described a plurality of satellite-signal frequency reducings unit 103 respectively comprises a local oscillator 1031 and a mixer 1032, wherein this local oscillator 1031 produces a signal in order to frequency reducing, and this mixer 1032 receives this satellite-signal receiving element 102 of its correspondence and the output signal of this mixer 1032, to produce an intermediate frequency satellite-signal.The add up output signal of described a plurality of satellite-signal frequency reducings unit 103 of this adder 104 is transmitted.
Fig. 2 A～Fig. 2 G is the signal frequency analysis chart that the satellite-signal of Fig. 1 receives its each point of integrating apparatus.Fig. 2 A is the frequency waveform of terminal A.Fig. 2 B is the frequency waveform of terminal B.Fig. 2 C is the frequency waveform of end points C.Fig. 2 D is the frequency waveform of end points D.Fig. 2 E is the frequency waveform of end points E.Fig. 2 F is the frequency waveform of end points F.Fig. 2 G is the frequency waveform of end points G.As shown in Figure 1, this satellite-signal receives integrating apparatus 101 the intermediate frequency satellite-signal of different frequency bands is fallen into respectively in the high frequency satellite-signal of each reception, utilizes this adder 104 to integrate respectively this intermediate frequency satellite-signal again.The output signal of this adder 104 promptly can be used for the transmission of single cable, watches for the user.
Yet the satellite-signal that the satellite-signal of Fig. 1 reception integrating apparatus can be integrated can be subjected to the restriction of intermediate frequency frequency range.For example,, can only hold two satellite-signals then for the satellite-signal of the about 500MHz of frequency range if the intermediate frequency frequency range is limited to 950MHz to 2150MHz; For the satellite-signal of the about 250MHz of frequency range, also can only hold four satellite-signals, and not meet the demand in the present use.Therefore, be necessary to design a new satellite-signal and receive framework, significantly promote the satellite-signal number that it can be integrated, and still can be transmitted in single cable.
Summary of the invention
The signal integration processing unit of the multiband of embodiment of the present utility model comprises a plurality of signal receiving units, a plurality of signal down unit, a switch, a plurality of channel assignment unit and an adder.Described a plurality of signal receiving unit is in order to receive a plurality of wireless signals.Described a plurality of signal down unit is connected to described signal receiving unit, in order to a plurality of wireless signals of the described reception of frequency reducing, to produce a plurality of frequency reducing signals.This switch is connected to described signal down unit, in order to distribute described a plurality of frequency reducing signal.Described a plurality of channel assignment unit is connected to this switch, in order to receiving a plurality of frequency reducing signals that this switch distributes, and is transferred to corresponding channel frequencies, to produce a plurality of channel signals.This adder is connected to described channel assignment unit, in order to described a plurality of channel signals and the output of adding up.
The signal integration processing unit of aforesaid multiband, wherein each described signal receiving unit comprises: in order to amplify a low noise amplifier of described wireless signal; And a high freguency bandpass filter, be connected to this low noise amplifier, make it be defined in a frequency range in order to the wireless signal that filters described amplification.
The signal integration processing unit of aforesaid multiband, wherein each described signal down unit comprises: in order to produce a local oscillator in order to the signal of frequency reducing; And a high frequency mixer, be connected to this local oscillator, in order to the output signal of the described signal receiving unit that receives its correspondence and this local oscillator to produce the signal of described frequency reducing.
The signal integration processing unit of aforesaid multiband, wherein each described channel assignment unit comprises: in order to produce a voltage-controlled oscillator in order to the signal of locking frequency; One intermediate frequency mixer is connected to this voltage oscillation device, in order to the output signal that receives its assigned described frequency reducing signal and this voltage-controlled oscillator to produce an initial channel signal; And an if bandpas filter, be connected to this intermediate frequency mixer, filter this initial channel signal and make it be defined in the frequency range of a channel and form this channel signals.
The signal integration processing unit of aforesaid multiband, wherein this adder described a plurality of channel signals that will add up are by a single cable output.
The signal integration processing unit of aforesaid multiband, wherein said signal down unit produces described a plurality of frequency reducing signals that can occupy same frequency.
The signal integration processing unit of aforesaid multiband, wherein said channel assignment unit produces the described a plurality of channel signals that occupy different frequency respectively.
The signal integration processing unit of aforesaid multiband, wherein said channel assignment unit produces the described channel signals that frequency range is about 32MHz.
The signal integration processing unit of aforesaid multiband, wherein the output of the signal integration processing unit of this multiband can comprise the signal of 32 channels.
The signal integration processing unit of aforesaid multiband, wherein the signal integration processing unit As one satellite-signal integration processing device of this multiband.
The utility model significantly promotes the reception number of satellite-signal, also promptly significantly promotes the user and can select the number of channels of watching, and still can be transmitted in single cable.
Description of drawings
Fig. 1 shows that a known satellite-signal receives the schematic diagram of integrating apparatus;
Fig. 2 A～Fig. 2 G shows that known satellite-signal receives the signal frequency analysis chart of its each point of integrating apparatus;
Fig. 3 shows the signal integration processing unit of the multiband of embodiment of the present utility model; And
Fig. 4 A～Fig. 4 J shows the signal frequency analysis chart of its each point of signal integration processing unit of multiband of the present utility model.
Wherein, description of reference numerals is as follows:
101 satellite-signals receive integrating apparatus
The signal integration processing unit of 301 multibands
102 satellite-signal receiving elements
302 signal receiving units
1021,3021 low noise amplifiers
1022 band pass filters
3022 high freguency bandpass filters
103 satellite-signal frequency reducing unit
303 signal down unit
1031,3031 local oscillators
1032 mixers
3032 high frequency mixers
104,306 adders
304 switchs
305 channel assignment unit
3051 voltage-controlled oscillators
3052 intermediate frequency mixers
3053 if bandpas filters
A～Q end points
Embodiment
Fig. 3 shows the signal integration processing unit of the multiband of embodiment of the present utility model, for example satellite-signal integration processing device.The signal integration processing unit 301 of this multiband comprises a plurality of signal receiving units 302, a plurality of signal down unit 303, a switch 304, a plurality of channel assignment unit 305 and an adder 306.Described a plurality of signal receiving unit 302 respectively comprises a low noise amplifier 3021 and a high freguency bandpass filter 3022, wherein this low noise amplifier 3021 amplifies the wireless signal of its reception, and the wireless signal that this high freguency bandpass filter 3022 filters this amplification makes it be defined in a frequency range.Described a plurality of signal down unit 303 respectively comprises a local oscillator 3031 and a high frequency mixer 3032, wherein this local oscillator 3031 produces a signal in order to frequency reducing, and this high frequency mixer 3032 receives this signal receiving unit 302 of its correspondence and the output signal of this local oscillator 3031, to produce an intermediate-freuqncy signal.This switch 304 receives the output signal of described a plurality of signal down unit 303, and described a plurality of channel assignment unit 305 are given in reallocation.Described a plurality of channel assignment unit 305 respectively comprises a voltage-controlled oscillator 3051, an intermediate frequency mixer 3052 and an if bandpas filter 3053, wherein this voltage-controlled oscillator 3051 produces a signal in order to locking frequency, this intermediate frequency mixer 3052 receives the output signal of its assigned intermediate-freuqncy signal and this voltage-controlled oscillator 3051, producing a channel signals, and this high freguency bandpass filter 3053 filters these channel signals and makes it be defined in the frequency range of a channel.This adder 306 described a plurality of channel signals that adds up is transmitted.
Fig. 4 A～Fig. 4 J is the signal frequency analysis chart of signal integration processing unit 301 its each points of the multiband of Fig. 3.Fig. 4 A is the frequency waveform of end points H.Fig. 4 B is the frequency waveform of end points I.Fig. 4 C is the frequency waveform of end points J.Fig. 4 D is the frequency waveform of end points K.Fig. 4 E is the frequency waveform of end points L.Fig. 4 F is the frequency waveform of end points M.Fig. 4 G is the frequency waveform of end points N.Fig. 4 H is the frequency waveform of end points O.Fig. 4 I is the frequency waveform of end points P.Fig. 4 J is the frequency waveform of end points Q.
Shown in Fig. 4 A to Fig. 4 C, this signal receiving unit 302 receives the wireless signal that comprises different channel but have identical frequency range respectively.Shown in Fig. 4 D to Fig. 4 F, the intermediate-freuqncy signal that frequency band can overlap and use falls in the wireless signal that this signal down unit 303 will receive.For example if the frequency range of this wireless signal is 500MHz, and the signal integration processing unit 301 of this multiband receives 8 groups of wireless signals altogether, and medium-frequency band is 950MHz to 2150MHz, then described 8 groups of wireless signals just are reduced to 950 to 1450 frequency band and 1650 to 2150 frequency band respectively, and each frequency band comprises 4 groups of intermediate-freuqncy signals.This switch 304 is dispensed to this channel assignment unit 305 with described 8 groups of intermediate-freuqncy signals respectively.For example the frequency range as if a channel is 32MHz, and medium-frequency band is 950MHz to 2150MHz, and then this medium-frequency band can hold 32 channels.Therefore, the number of unit of this channel assignment unit 305 just is 32 groups, also can provide 32 users to watch.And described 32 groups of channel assignment unit 305 are just respectively with in the assigned intermediate-freuqncy signal, and the channel that the user wants to watch is locked to its pairing frequency band, shown in Fig. 4 G to Fig. 4 I.This adder 306 described a plurality of channel signals that adds up forms a single signal and makes it can be transmitted in a single cable, shown in Fig. 4 J.
The signal integration processing unit of multiband of the present utility model has improved the shortcoming of known technology, makes its wireless signal that can receive any amount, and can not surpass the SC service ceiling of intermediate frequency frequency range.The utility model utilizes a switch stagger wireless signal and channel signals, allows the user freely select it to want the channel of watching from described a plurality of wireless signals.For example if be applied to satellite communication system, with the satellite-signal calculating of 8 500MHz, the frequency range of each channel is 32MHz, and then about altogether can have 500/32*8=125 channel available.In sum, the utility model significantly promotes the reception number of satellite-signal, also promptly significantly promotes the user and can select the number of channels of watching, and still can be transmitted in single cable.
Technology contents of the present utility model and technical characterstic disclose as above, yet the those skilled in the art still may be based on teaching of the present utility model and announcement and done all replacement and modifications that does not deviate from spirit of the present invention.Therefore, protection range of the present utility model should be not limited to the scope that embodiment discloses, and should comprise various do not deviate from replacement of the present utility model and modifications, and is contained by appended claim scope.
Claims (10)
1. the signal integration processing unit of a multiband is characterized in that, comprises:
In order to receive a plurality of signal receiving units of a plurality of wireless signals;
A plurality of signal down unit is connected to described signal receiving unit, in order to a plurality of wireless signals of the described reception of frequency reducing to produce a plurality of frequency reducing signals;
One switch is connected to described signal down unit, in order to distribute described a plurality of frequency reducing signal;
A plurality of channel assignment unit are connected to this switch, in order to receiving a plurality of frequency reducing signals that this switch distributes, and are transferred to corresponding channel frequencies, to produce a plurality of channel signals; And
One adder is connected to described channel assignment unit, in order to described a plurality of channel signals and the output of adding up.
2. according to the signal integration processing unit of the multiband of claim 1, it is characterized in that each described signal receiving unit comprises:
In order to amplify a low noise amplifier of described wireless signal; And
One high freguency bandpass filter is connected to this low noise amplifier, makes it be defined in a frequency range in order to the wireless signal that filters described amplification.
3. according to the signal integration processing unit of the multiband of claim 1, it is characterized in that each described signal down unit comprises:
In order to produce a local oscillator in order to the signal of frequency reducing; And
One high frequency mixer is connected to this local oscillator, in order to the output signal of the described signal receiving unit that receives its correspondence and this local oscillator to produce the signal of described frequency reducing.
4. according to the signal integration processing unit of the multiband of claim 1, it is characterized in that each described channel assignment unit comprises:
In order to produce a voltage-controlled oscillator in order to the signal of locking frequency;
One intermediate frequency mixer is connected to this voltage oscillation device, in order to the output signal that receives its assigned described frequency reducing signal and this voltage-controlled oscillator to produce an initial channel signal; And
One if bandpas filter is connected to this intermediate frequency mixer, filters this initial channel signal and makes it be defined in the frequency range of a channel and form this channel signals.
5. according to the signal integration processing unit of the multiband of claim 1, it is characterized in that described a plurality of channel signals that this adder will add up are by a single cable output.
6. according to the signal integration processing unit of the multiband of claim 1, it is characterized in that described signal down unit produces described a plurality of frequency reducing signals that can occupy same frequency.
7. according to the signal integration processing unit of the multiband of claim 1, it is characterized in that described channel assignment unit produces the described a plurality of channel signals that occupy different frequency respectively.
8. according to the signal integration processing unit of the multiband of claim 1, it is characterized in that described channel assignment unit produces the described channel signals that frequency range is about 32MHz.
9. according to the signal integration processing unit of the multiband of claim 1, it is characterized in that the signal integration processing unit output of this multiband can comprise the signal of 32 channels.
10. according to the signal integration processing unit of the multiband of claim 1, it is characterized in that the signal integration processing unit of this multiband is a satellite-signal integration processing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200037275U CN201174700Y (en) | 2008-02-18 | 2008-02-18 | Multi-band signal integration processing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200037275U CN201174700Y (en) | 2008-02-18 | 2008-02-18 | Multi-band signal integration processing device |
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| Publication Number | Publication Date |
|---|---|
| CN201174700Y true CN201174700Y (en) | 2008-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2008200037275U Expired - Fee Related CN201174700Y (en) | 2008-02-18 | 2008-02-18 | Multi-band signal integration processing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104052948A (en) * | 2013-03-15 | 2014-09-17 | 索尼公司 | Reception apparatus and electronic equipment |
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2008
- 2008-02-18 CN CNU2008200037275U patent/CN201174700Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104052948A (en) * | 2013-03-15 | 2014-09-17 | 索尼公司 | Reception apparatus and electronic equipment |
| CN104052948B (en) * | 2013-03-15 | 2017-10-31 | 索尼公司 | Reception device and electronic equipment |
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| 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: 20081231 Termination date: 20130218 |