CN208424589U - A kind of more star reception satellite high-frequency tuners - Google Patents
A kind of more star reception satellite high-frequency tuners Download PDFInfo
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- CN208424589U CN208424589U CN201820888055.4U CN201820888055U CN208424589U CN 208424589 U CN208424589 U CN 208424589U CN 201820888055 U CN201820888055 U CN 201820888055U CN 208424589 U CN208424589 U CN 208424589U
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Abstract
The utility model relates to a kind of more stars to receive satellite high-frequency tuner, what is solved is the single technical problem of satellite TV reception signal, by using include for horizontal polarization signals input horizontal polarization signals input branch, vertical polarization signal for the input of vertical polarization signal inputs branch, the radio-frequency filter that branch and vertical polarization signal input branch are connect jointly, the integrated circuit RDA3566E connecting with radio-frequency filter output end are inputted with horizontal polarization signals;Integrated circuit RDA3566E is also connected with crystal oscillator 25MHz-20, calibrator and intermediate frequency export branch, the technical solution that calibrator and intermediate frequency output branch are connect after the output end by being connected to more stars reception satellite high-frequency tuners with the input terminal of satellite TV receiver, the problem is preferably resolved, can be used in satellite television application.
Description
Technical field
The utility model relates to satellite television fields, and in particular to a kind of more stars reception satellite high-frequency tuners.
Background technique
Star noise frequency demultiplier more than one pot, circuit are respectively adopted two paths of signals power end and configure (the letter of each pressure stabilizing triode
Claim: regulator block), regulator block pressure stabilizing directly exports the voltage of 6V to integrated IC, while another port input terminal exports a 13V/
The voltage of 18V realizes the signal conversion of 13V/18V, while by integrated IC and providing first and second grade of the radio frequency work of amplifier tube one
Make voltage, can amplify.It realizes through the design of the structure of twin-guide and two panels pcb board and realizes two satellite programmings
Receive capabilities.The advantages of design is to go realization two to approach by the combination design of twi guide structure and two panels pcb board to defend
The reception of star.
But it is there are following technical problem, only one general feed of high-frequency tuner, therefore it can only receive one
The telstar signal of certain satellite transmission in direction can only be searched for and fix the satellite electricity that several frequency points load on the satellite-signal
Tv channel provides limited several satellite television programmings for TV user.User will watch more TV programme it is necessary to pacify more
Several high-frequency tuners are filled, the TV signal of more satellite transmissions can be received simultaneously.Or the reception of adjustment high-frequency tuner
Angle receives the TV signal of another satellite.In short, single high-frequency tuner can not receive simultaneously and emit on different satellites
Satellite TV signal.
Successively, the utility model provides a kind of more stars receptions of the TV signal that can receive multi-satellite transmitting simultaneously and defends
Star high-frequency tuner.
Utility model content
Technical problem to be solved in the utility model is that high-frequency tuner reception object existing in the prior art is single,
Adjust difficult technical problem.A kind of new more stars reception satellite high-frequency tuner is provided, which receives satellite high-frequency tunings
The promising user of utensil provides more television programming sources while receiving two or three of angle difference 3o, 4o, 6o over the ground
The characteristics of television broadcasting signal of satellite launch.
In order to solve the above technical problems, the technical solution adopted is as follows:
A kind of more star reception satellite high-frequency tuners, it includes being used for horizontal polarization that more stars, which receive satellite high-frequency tuners,
The horizontal polarization signals of signal input input branch, and the vertical polarization signal for the input of vertical polarization signal inputs branch, with
The radio-frequency filter that horizontal polarization signals input branch and vertical polarization signal input branch connect jointly, it is defeated with radio-frequency filter
The integrated circuit RDA3566E of outlet connection;Integrated circuit RDA3566E is also connected with crystal oscillator 25MHz-20, calibrator and intermediate frequency
Export branch, calibrator and intermediate frequency output branch received by being connected to more stars after the output ends of satellite high-frequency tuners with satellite
The input terminal of television receiver connects.
In above scheme, for optimization, further, the horizontal polarization signals input branch includes that horizontal polarization signals are defeated
Incoming interface, the 10.7GHz-12.75GHz radio frequency amplifier being connect with horizontal polarization signals input interface;The radio-frequency filter
For 10.7GHz-12.75GHz radio-frequency filter.
Further, the horizontal polarization signals input branch includes the amplification connecting with horizontal polarization signals input interface
Pipe Q1, the base stage of amplifier tube Q1 are connected with resistance R10, and the other end of resistance R10 connects capacitor C14 and integrated circuit RDA3566E
The 19th foot, the capacitor C14 other end ground connection, amplifier tube Q1 emitter ground connection, collector be connected with capacitor C13, capacitor C10 and
The 18th foot of integrated circuit RDA3566E, capacitor C13 other end ground connection, the capacitor C10 other end are connected to 10.7GHz-
12.75GHz radio-frequency filter.
Further, the vertical polarization signal input branch includes vertical polarization signal input interface, with vertical polarization
The 10.7GHz-12.75GHz radio frequency amplifier of signal input interface connection.
Further, the vertical polarization signal input branch includes the amplification connecting with vertical polarization signal input interface
Pipe Q2 base stage and resistance R9, amplifier tube Q2 collector are connected with capacitor C9, capacitor C12, and the capacitor C9 other end is connected to
The 11st foot of 10.7GHz-12.75GHz radio-frequency filter and integrated circuit RDA3566E, capacitor C12 other end ground connection, amplifier tube Q2
Emitter ground connection;The resistance R9 other end is connected with the 12nd foot of capacitor C11 and integrated circuit RDA3566E, and capacitor C11 is another
End ground connection.
Further, the 10.7GHz-12.75GHz radio-frequency filter includes transistor Q3, and the base stage of transistor Q3 connects
It is connected to resistance R9, the resistance R9 other end is connected with the 17th foot of capacitor C8 and integrated circuit RDA3566E, capacitor C8 other end ground connection;
The collector of transistor Q3 is connected with the 16th foot of capacitor C7 and integrated circuit RDA3566E, capacitor C7 other end ground connection, transistor
The emitter connection capacitor C17 and ground connection, capacitor C17 of Q3 is connected to the 14th foot of integrated circuit RDA3566E.
Further, the crystal oscillator 25MHz-20 includes the resistance R2 connecting with the 8th foot of integrated circuit RDA3566E, with electricity
Resistance R3, resistance R1 and the capacitor C2 of R2 connection are hindered, resistance R3 other end ground connection, the resistance R1 other end and the capacitor C2 other end are total
Be connected with the 1st foot of integrated circuit 76L06, capacitor C3, capacitor C15 after even, capacitor C3 other end ground connection, the capacitor C15 other end according to
The 3rd foot of secondary connection capacitor C6, resistance R5 and integrated circuit RDA3566E;The 2nd foot of integrated circuit 76L06 ground connection, the 4th foot ground connection,
3rd foot is connected with capacitor C1, capacitor C16, capacitor C1 other end ground connection, and the capacitor C16 other end is connected to integrated circuit
The 5th foot of RDA3566E.
The utility model has the beneficial effects that the utility model receives the high frequency modulation of satellite using more stars based on Monoblock
Humorous device carries out technical change to the feed of product and designs, and the TV signal for receiving multi-satellite transmitting simultaneously may be implemented,
More television programming sources are provided simultaneously for user.Such as can receive simultaneously two of the difference of angle over the ground 3o, 4o, 6o or
The television broadcasting signal of three satellite launchs of person.Amplified by two parts radio frequency part, respectively separates four by two independent IC respectively
Road signal, such PLL scheme are to reduce much to the layout material therefor of pcb board than a piece of pcb board material therefor.According to
Microwave twin-guide two-way LNB function division, the double local oscillator dual polarizations of product point;Wherein each product operating circuit includes front radio-frequency again
Two-stage amplifying circuit, filter circuit, low/high frequency local oscillator resonance circuit, IF amplifier circuit (IC) and switching switching circuit, and
Power module, the weak radio-frequency signal that Ku wave band (0.7GHz~12.75GHz) satellite transmission can be got off amplifies,
Output satellite receiver (DVB:Digital after filtering is mixed with local oscillator resonance frequency therein using supradyne manner again
Vedio Box) required for intermediate frequency letter (950MHz~2150MHz).
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
More stars of Fig. 1, embodiment 1 receive satellite high-frequency tuner schematic illustration.
More stars of Fig. 2, the fact 1 receive satellite high-frequency tuner circuit diagram.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, with reference to embodiments, to this
Utility model is further elaborated.It should be appreciated that specific embodiment described herein is only to explain that this is practical new
Type is not used to limit the utility model.
Embodiment 1
The present embodiment provides a kind of more stars to receive satellite high-frequency tuner, such as Fig. 1, and more stars receive satellite high-frequency tuning
Device includes the horizontal polarization signals input branch for horizontal polarization signals input, the vertical pole for the input of vertical polarization signal
Change signal and input branch, inputs the rf filtering that branch and vertical polarization signal input branch are connect jointly with horizontal polarization signals
Device, the integrated circuit RDA3566E being connect with radio-frequency filter output end;Integrated circuit RDA3566E is also connected with crystal oscillator
25MHz-20, calibrator and intermediate frequency export branch, calibrator and intermediate frequency output branch by being connected to more stars reception satellite high frequencies
It is connect after the output end of tuner with the input terminal of satellite TV receiver.
Specifically, such as Fig. 1, the horizontal polarization signals input branch includes horizontal polarization signals input interface, with level
The 10.7GHz-12.75GHz radio frequency amplifier of polarized signal input interface connection;The radio-frequency filter is 10.7GHz-
12.75GHz radio-frequency filter.
Such as Fig. 2, the horizontal polarization signals input branch includes the amplifier tube connecting with horizontal polarization signals input interface
Q1, the base stage of amplifier tube Q1 are connected with resistance R10, the other end connection capacitor C14's and integrated circuit RDA3566E of resistance R10
19th foot, capacitor C14 other end ground connection, the emitter ground connection of amplifier tube Q1, collector are connected with capacitor C13, capacitor C10 and collection
At the 18th foot of circuit RDA3566E, capacitor C13 other end ground connection, the capacitor C10 other end is connected to 10.7GHz-12.75GHz
Radio-frequency filter.
Further, the vertical polarization signal input branch includes vertical polarization signal input interface, with vertical polarization
The 10.7GHz-12.75GHz radio frequency amplifier of signal input interface connection.
Such as Fig. 2, the vertical polarization signal input branch includes the amplifier tube connecting with vertical polarization signal input interface
Q2 base stage and resistance R9, amplifier tube Q2 collector are connected with capacitor C9, capacitor C12, and the capacitor C9 other end is connected to 10.7GHz-
The 11st foot of 12.75GHz radio-frequency filter and integrated circuit RDA3566E, capacitor C12 other end ground connection, the emitter of amplifier tube Q2
Ground connection;The resistance R9 other end is connected with the 12nd foot of capacitor C11 and integrated circuit RDA3566E, capacitor C11 other end ground connection.
Such as Fig. 2, the 10.7GHz-12.75GHz radio-frequency filter includes transistor Q3, and the base stage of transistor Q3 is connected with
Resistance R9, the resistance R9 other end are connected with the 17th foot of capacitor C8 and integrated circuit RDA3566E, capacitor C8 other end ground connection;Crystal
The collector of pipe Q3 is connected with the 16th foot of capacitor C7 and integrated circuit RDA3566E, and the capacitor C7 other end is grounded, transistor Q3's
Emitter connection capacitor C17 and ground connection, capacitor C17 are connected to the 14th foot of integrated circuit RDA3566E.
Such as Fig. 2, the crystal oscillator 25MHz-20 includes the resistance R2 connecting with the 8th foot of integrated circuit RDA3566E, with resistance
Resistance R3, resistance R1 and the capacitor C2 of R2 connection, resistance R3 other end ground connection, the resistance R1 other end and the capacitor C2 other end connect altogether
After be connected with the 1st foot of integrated circuit 76L06, capacitor C3, capacitor C15, capacitor C3 other end ground connection, the capacitor C15 other end is successively
Connect the 3rd foot of capacitor C6, resistance R5 and integrated circuit RDA3566E;The 2nd foot of integrated circuit 76L06 ground connection, the 4th foot ground connection, the 3rd
Foot is connected with capacitor C1, capacitor C16, capacitor C1 other end ground connection, and the capacitor C16 other end is connected to integrated circuit RDA3566E the
5 feet.
Resistance in the present embodiment, capacitor, inductance value may include certain error value, and error amount is subject to professional standard.
Although the illustrative specific embodiment of the utility model is described above, in order to the art
Technical staff is it will be appreciated that the utility model, but the utility model is not limited only to the range of specific embodiment, to this technology
For the those of ordinary skill in field, as long as long as the utility model that various change is limited and determined in the attached claims
In spirit and scope, all are created using the utility model of the utility model design in the column of protection.
Claims (6)
1. a kind of more stars receive satellite high-frequency tuner, it is characterised in that: it includes using that more stars, which receive satellite high-frequency tuner,
Branch is inputted in the horizontal polarization signals of horizontal polarization signals input, the vertical polarization signal for the input of vertical polarization signal is defeated
Enter branch, input branch and the radio-frequency filter that connect jointly of vertical polarization signal input branch with horizontal polarization signals, and penetrates
The integrated circuit RDA3566E of frequency filter output connection;
Integrated circuit RDA3566E is also connected with crystal oscillator 25MHz-20, and calibrator and intermediate frequency export branch, and calibrator and intermediate frequency are defeated
Out branch is connect after the output end by being connected to more stars reception satellite high-frequency tuners with the input terminal of satellite TV receiver;
The horizontal polarization signals input branch includes horizontal polarization signals input interface, is connected with horizontal polarization signals input interface
The 10.7GHz-12.75GHz radio frequency amplifier connect;The radio-frequency filter is 10.7GHz-12.75GHz radio-frequency filter.
2. more stars according to claim 1 receive satellite high-frequency tuner, it is characterised in that: the horizontal polarization signals are defeated
Entering branch includes the amplifier tube Q1 connecting with horizontal polarization signals input interface, and the base stage of amplifier tube Q1 is connected with resistance R10, electricity
Hinder the 19th foot of the other end connection capacitor C14 and integrated circuit RDA3566E of R10, capacitor C14 other end ground connection, amplifier tube Q1
Emitter ground connection, collector is connected with the 18th foot of capacitor C13, capacitor C10 and integrated circuit RDA3566E, and capacitor C13 is another
One end ground connection, the capacitor C10 other end are connected to 10.7GHz-12.75GHz radio-frequency filter.
3. more stars according to claim 2 receive satellite high-frequency tuner, it is characterised in that: the vertical polarization signal is defeated
Entering branch includes vertical polarization signal input interface, and the 10.7GHz-12.75GHz connecting with vertical polarization signal input interface is penetrated
Audio amplifier.
4. more stars according to claim 3 receive satellite high-frequency tuner, it is characterised in that: the vertical polarization signal is defeated
Entering branch includes the amplifier tube Q2 base stage connecting with vertical polarization signal input interface and resistance R9, and amplifier tube Q2 collector connects
It is connected to capacitor C9, capacitor C12, the capacitor C9 other end is connected to 10.7GHz-12.75GHz radio-frequency filter and integrated circuit
The 11st foot of RDA3566E, capacitor C12 other end ground connection, the emitter ground connection of amplifier tube Q2;The resistance R9 other end is connected with capacitor
The 12nd foot of C11 and integrated circuit RDA3566E, capacitor C11 other end ground connection.
5. more stars according to claim 4 receive satellite high-frequency tuner, it is characterised in that: the 10.7GHz-
12.75GHz radio-frequency filter includes transistor Q3, and the base stage of transistor Q3 is connected with resistance R9, and the resistance R9 other end is connected with
The 17th foot of capacitor C8 and integrated circuit RDA3566E, capacitor C8 other end ground connection;The collector of transistor Q3 is connected with capacitor C7
Capacitor C17 and ground connection are connected with the emitter of the 16th foot of integrated circuit RDA3566E, capacitor C7 other end ground connection, transistor Q3,
Capacitor C17 is connected to the 14th foot of integrated circuit RDA3566E.
6. -5 any more stars receive satellite high-frequency tuner according to claim 1, it is characterised in that: the crystal oscillator
25MHz-20 includes the resistance R2 connecting with the 8th foot of integrated circuit RDA3566E, the resistance R3 being connect with resistance R2, resistance R1 and
Capacitor C2, resistance R3 other end ground connection, the resistance R1 other end and the capacitor C2 other end are connected with integrated circuit 76,L06 the after connecting altogether
1 foot, capacitor C3, capacitor C15, capacitor C3 other end ground connection, the capacitor C15 other end are sequentially connected capacitor C6, resistance R5 and integrated
The 3rd foot of circuit RDA3566E;The 2nd foot of integrated circuit 76L06 ground connection, the 4th foot ground connection, the 3rd foot are connected with capacitor C1, capacitor C16,
Capacitor C1 other end ground connection, the capacitor C16 other end are connected to the 5th foot of integrated circuit RDA3566E.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201820888055.4U CN208424589U (en) | 2018-06-08 | 2018-06-08 | A kind of more star reception satellite high-frequency tuners |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201820888055.4U CN208424589U (en) | 2018-06-08 | 2018-06-08 | A kind of more star reception satellite high-frequency tuners |
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Publication Number | Publication Date |
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CN208424589U true CN208424589U (en) | 2019-01-22 |
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CN201820888055.4U Expired - Fee Related CN208424589U (en) | 2018-06-08 | 2018-06-08 | A kind of more star reception satellite high-frequency tuners |
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2018
- 2018-06-08 CN CN201820888055.4U patent/CN208424589U/en not_active Expired - Fee Related
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190122 |
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CF01 | Termination of patent right due to non-payment of annual fee |