CN206743465U - A kind of DiSEqC equipment and its transmitter/receiver circuit - Google Patents
A kind of DiSEqC equipment and its transmitter/receiver circuit Download PDFInfo
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- CN206743465U CN206743465U CN201720526540.2U CN201720526540U CN206743465U CN 206743465 U CN206743465 U CN 206743465U CN 201720526540 U CN201720526540 U CN 201720526540U CN 206743465 U CN206743465 U CN 206743465U
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/426—Internal components of the client ; Characteristics thereof
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Abstract
The utility model discloses a kind of DiSEqC equipment and its transmitter/receiver circuit, wherein, the transmitter/receiver circuit of the DiSEqC equipment includes switch control module, switch module, LC resonance modules, signal conversion module and Shaping Module；When set top box sends control signal, turned off or turned on according to the control signal controlling switch module by switch control module, set top box is according to corresponding LC resonance modules or the switch module of passing through of shut-off or conducting of switch module to controlled terminal output control signal；When set top box receives the feedback signal of controlled terminal, feedback signal exports corresponding ac voltage signal to Shaping Module after signal conversion module carries out Current Voltage conversion, square wave level signal is exported to set top box after reverse shaping is carried out to the ac voltage signal by Shaping Module, set top box receives the feedback information of controlled terminal, realizes the two-way communication between set top box and controlled terminal.
Description
Technical field
Set-top box technique field is the utility model is related to, more particularly to a kind of DiSEqC equipment and its transmitter/receiver circuit.
Background technology
With the popularization of set-top box technique, increasing user's selection at present uses set top box, at present DVBS machine top
Box needs to use digital satellite receiver, and digital satellite receiver passes through diseqc agreements and receiver and satellite reception day
DiSEqC equipment between line, tuner allows users to easily select the satellite television programming in each frequency, orientation,
DiSEqC equipment is typically made up of a piece of microcontroller and its peripheral circuit, whole digital satellite equipment system block diagram such as Fig. 1 institutes
Show.
And communication protocol is only unidirectional in diseqc1.X usually used at present, both set top box sent control information
Satellite pot is given, the feedback of control effect and the feedback information of external satellite pot can not be received.
Thus prior art could be improved and improve.
Utility model content
In view of in place of above-mentioned the deficiencies in the prior art, the purpose of this utility model be to provide a kind of DiSEqC equipment and its
Transmitter/receiver circuit, controlled terminal can both be controlled according to the control signal automatic switchover communication line of set top box, set top box,
The feedback signal of controlled terminal can be received, realizes the two-way communication between set top box and controlled terminal.
In order to achieve the above object, the utility model takes following technical scheme：
A kind of transmitter/receiver circuit of DiSEqC equipment, it include switch control module, switch module, LC resonance modules,
Signal conversion module and Shaping Module；When set top box sends control signal, by switch control module according to the control signal
Controlling switch module turns off or conducting, and set top box corresponds to according to the shut-off or conducting of switch module passes through LC resonance modules or switch
Module is to controlled terminal output control signal；When set top box receives the feedback signal of controlled terminal, feedback signal is through signal modulus of conversion
Block exports corresponding ac voltage signal to Shaping Module after carrying out Current Voltage conversion, by Shaping Module to the alternating voltage
Signal exports square wave level signal to set top box, the feedback information of set top box reception controlled terminal after carrying out reverse shaping.
In the transmitter/receiver circuit of described DiSEqC equipment, when the control signal is power supply signal, switch control
Module controls the switch module shut-off, and set top box sends the power supply signal by LC resonance modules to controlled terminal；When described
When control signal includes diseqc2.0 orders and power supply signal, switch control module controls the switch module conducting, set top box
The diseqc2.0 orders and power supply signal are sent to controlled terminal by switch module.
In the transmitter/receiver circuit of described DiSEqC equipment, the switch control module includes first resistor, the second electricity
Resistance, 3rd resistor and the first triode；One end connection LBN_BFC signal ends of the first resistor and one end of second resistance,
The other end ground connection of the first resistor；The other end of the second resistance connects the base stage of the first triode；Described 1st
The grounded emitter of pole pipe, first triode colelctor electrode connection 3rd resistor one end, the 3rd resistor it is another
Hold connecting valve module.
In the transmitter/receiver circuit of described DiSEqC equipment, the switch module includes the 4th resistance and metal-oxide-semiconductor, described
The other end of one end connection 3rd resistor and the grid of metal-oxide-semiconductor of 4th resistance, the other end connection metal-oxide-semiconductor of the 4th resistance
Source electrode, LC resonance modules, signal conversion module and LNB_OUT signal ends, the drain electrode connection LC resonance modules of the metal-oxide-semiconductor,
Signal conversion module and LNB_PWR signal ends.
In the transmitter/receiver circuit of described DiSEqC equipment, the LC resonance modules include inductance and the first electric capacity, institute
State one end connection LNB_OUT signal ends of inductance, the other end connection LNB_PWR signal ends of the inductance；First electric capacity
One end connection LNB_OUT signal ends, first electric capacity the other end connection LNB_PWR signal ends.
In the transmitter/receiver circuit of described DiSEqC equipment, the signal conversion module includes the 5th resistance, and described
One end connection LNB_OUT signal ends of five resistance, the other end connection LNB_PWR signal ends of the 5th resistance.
In the transmitter/receiver circuit of described DiSEqC equipment, the Shaping Module include the second electric capacity, the second triode,
6th resistance, the 7th resistance, the 8th resistance and the 9th resistance；One end of second electric capacity connect the 5th resistance the other end and
LNB_PWR signal ends, the other end of second electric capacity connect one end of the 6th resistance, one end of the 8th resistance and the 9th resistance
One end；The other end of 6th resistance connects one end and the 3.3V_PD feeder ears of the 7th resistance；7th resistance it is another
One end connects the colelctor electrode and DSEC_TXIN signal ends of the second triode；The other end of 8th resistance connects the two or three pole
The base stage of pipe；The other end of 9th resistance and the emitter stage of the second triode are grounded.
In the transmitter/receiver circuit of described DiSEqC equipment, the metal-oxide-semiconductor is P-channel metal-oxide-semiconductor, first triode
For NPN type triode.
In the transmitter/receiver circuit of described DiSEqC equipment, second triode is NPN type triode.
A kind of DiSEqC equipment, including shell, pcb board is provided with the shell, wherein, it is provided with the pcb board
Transmitter/receiver circuit as described in claim 1-9 any one.
It is described in DiSEqC equipment provided by the utility model and its transmitter/receiver circuit compared to prior art
The transmitter/receiver circuit of DiSEqC equipment includes switch control module, switch module, LC resonance modules, signal conversion module and whole
Shape module；When set top box sends control signal, turned off by switch control module according to the control signal controlling switch module
Or conducting, set top box export according to corresponding LC resonance modules or the switch module of passing through of shut-off or conducting of switch module to controlled terminal
Control signal；When set top box receives the feedback signal of controlled terminal, feedback signal carries out Current Voltage through signal conversion module and turned
Corresponding ac voltage signal is exported after changing to Shaping Module, reverse shaping is carried out to the ac voltage signal by Shaping Module
Square wave level signal to set top box, set top box is exported afterwards receives the feedback information of controlled terminal, can be according to the control signal of set top box
Automatic switchover communication line, set top box can both control controlled terminal, can also receive the feedback signal of controlled terminal, realize machine top
Two-way communication between box and controlled terminal.
Brief description of the drawings
Fig. 1 is the structured flowchart of digital satellite equipment system in the prior art；
Fig. 2 is the structured flowchart of the transmitter/receiver circuit of DiSEqC equipment provided by the utility model；
Fig. 3 is the circuit diagram of the transmitter/receiver circuit of DiSEqC equipment provided by the utility model.
Embodiment
The utility model provides a kind of DiSEqC equipment and its transmitter/receiver circuit, can according to the control signal of set top box from
Dynamic switching communication line, set top box can both control controlled terminal, can also receive the feedback signal of controlled terminal, realize set top box
Two-way communication between controlled terminal.
To make the purpose of this utility model, technical scheme and effect clearer, clear and definite, develop simultaneously implementation referring to the drawings
The utility model is further described example.It should be appreciated that specific embodiment described herein is only explaining this practicality
It is new, it is not used to limit the utility model.
Referring to Fig. 2, the transmitter/receiver circuit of DiSEqC equipment provided by the utility model include switch control module 10,
Switch module 20, LC resonance modules 30, signal conversion module 40 and Shaping Module 50, the connecting valve of switch control module 10
Module 20, the switch module 20 is in parallel with LC resonance modules 30 and signal conversion module 40, the connection of Shaping Module 50 letter
Number modular converter 40；When set top box sends control signal, by switch control module 10 according to the control signal controlling switch
Module 20 is turned off or turned on, and set top box corresponds to according to the shut-off or conducting of switch module 20 passes through LC resonance modules 30 or switching molding
Block 20 is to controlled terminal output control signal；When set top box receives the feedback signal of controlled terminal, feedback signal is through signal modulus of conversion
Block 40 exports corresponding ac voltage signal to Shaping Module 50 after carrying out Current Voltage conversion, by Shaping Module 50 to the friendship
Flow output square wave level signal to set top box, set top box after voltage signal carries out reverse shaping and receive the feedback information of controlled terminal,
The transmitter/receiver circuit of DiSEqC equipment provided by the utility model causes set top box both to control controlled terminal, can also receive
The feedback signal of controlled terminal, realize the two-way communication between set top box and controlled terminal.
Specifically, the transmitter/receiver circuit of DiSEqC equipment provided by the utility model is to be based on diseqc2.0 agreements,
It is diseqc1.X upgraded version, and can compatible diseqc1.X, using diseqc2.0 agreements, set top box is except can
Sent by the agreement outside control command, moreover it is possible to received by transmitter/receiver circuit provided by the utility model and consensus standard
The feedback information of controlled terminal, so as to make more accurately control and judge.
When it is implemented, when the control signal is power supply signal, switch control module 10 controls the switch module
20 shut-offs, set top box send the power supply signal by LC resonance modules 30 to controlled terminal；When the control signal includes
When diseqc2.0 orders and power supply signal, switch control module 10 controls the switch module 20 to turn on, and set top box passes through switch
Module 20 sends the diseqc2.0 orders and power supply signal to controlled terminal.It is based on diseqc2.0 agreements, the utility model
The signal of controlled terminal feedback can be extracted, at the same nor affect in original diseqc1.X agreements required 22K uplinks and
Normal supply access, therefore transmitter/receiver circuit provided by the utility model is by introducing LC resonance modules 30 and switch module
20, according to different control signal automatic switchover communication lines, under normal operating conditions, set top box is only exported to controlled terminal and powered
Signal, specially d. c. voltage signal, now switch control module 10 control the switch module 20 to be off state, power
Signal is exported to controlled terminal by LC resonance modules 30；And when set top box needs to export 22K signals and diseqc2.0 orders,
Control signal then includes diseqc2.0 orders and power supply signal, and now switch control module 10 controls the switch module 20 to lead
It is logical, and because LC resonance modules 30 have shielding action to 22K AC signals, therefore diseqc2.0 orders and power supply signal are equal
Exported by switch module 20 to controlled terminal, corresponding communication line is set using the characteristics of control signal, and according to current
Control signal automatic switchover communication line, it ensure that normal 22K uplinks and circuit power supply.
Further, also referring to Fig. 3, the switch control module 10 includes first resistor R1, second resistance R2, the
Three resistance R3 and the first triode Q1；One end connection LBN_BFC signal ends of the first resistor R1 and the one of second resistance R2
End, the other end ground connection of the first resistor R1；The other end of the second resistance R2 connects the first triode Q1 base stage；Institute
The first triode Q1 grounded emitter is stated, the colelctor electrode connection 3rd resistor R3 of the first triode Q1 one end is described
3rd resistor R3 other end connecting valve module 20, in the present embodiment, the first triode Q1 is NPN type triode, root
According to the low and high level of current control signal control LBN_BFC signal ends, when LBN_BFC signal ends are high level, the one or three
Pole pipe Q1 is turned on, and controlling switch module 20 turns on, when LBN_BFC signal ends are low level, the first triode Q1 cut-offs, and control
Switch module 20 turns off, and then realizes signal line switching.
Specifically, the switch module 20 includes the 4th resistance R4 and metal-oxide-semiconductor M1, one end connection of the 4th resistance R4
The 3rd resistor R3 other end and metal-oxide-semiconductor M1 grid, the other end connection metal-oxide-semiconductor M1 of the 4th resistance R4 source electrode, LC
Resonance modules 30, signal conversion module 40 and LNB_OUT signal ends, drain electrode connection LC resonance modules 30, the letter of the metal-oxide-semiconductor M1
Number modular converter 40 and LNB_PWR signal ends.In the present embodiment, the metal-oxide-semiconductor M1 is P-channel metal-oxide-semiconductor M1, by the first triode
Q1 colelctor electrode controls the grid voltage of the metal-oxide-semiconductor M1, and when the first triode Q1 is turned on, collector voltage is pulled low, control
Metal-oxide-semiconductor M1 conductings processed, on the contrary then control metal-oxide-semiconductor M1 shut-offs.
Preferably, the LC resonance modules 30 include inductance L1 and the first electric capacity C1, inductance L1 one end connection
LNB_OUT signal ends, the other end connection LNB_PWR signal ends of the inductance L1；One end connection of the first electric capacity C1
LNB_OUT signal ends, the other end connection LNB_PWR signal ends of the first electric capacity C1, in the present embodiment, the inductance L1's
Inductance value is preferably 220uH, and the first electric capacity C1 capacitance is preferably 22nF.As described above, when machine normal work, machine top
Box only exports power supply signal to controlled terminal, and metal-oxide-semiconductor M1 is in normally opened state, and electromechanical box is to controlled terminal（Including satellite pot and horse
Reach）DC voltage flow mainly through inductance L1 after flow to LNB_PWR signal ends, now power supply have 13V and 18V；And work as set top box
When to controlled terminal, to send 22K signals be diseqc2.0 orders, i.e., control signal now includes diseqc2.0 orders and powered
Signal, LNB_BFC signal ends are high level by the processor control of equipment, and now the first triode Q1 is turned on, control metal-oxide-semiconductor M1
Conducting, diseqc2.0 orders and power supply signal flow to LNB_PWR signal ends after metal-oxide-semiconductor M1, i.e., individually open one
Path uses for up 22K, while metal-oxide-semiconductor M1 conducting resistance is 50 milliohms or so, and its pressure drop is smaller, to signal attenuation
Influence smaller.
Further, the signal conversion module 40 includes the 5th resistance R5, and the transmitter/receiver circuit also includes two
Pole pipe D1, the 5th resistance R5 one end connection LNB_OUT signal ends, the other end of the 5th resistance R5 pass through diode
D1 connection LNB_PWR signal ends and Shaping Module 50.The Shaping Module 50 includes the second electric capacity C2, the second triode Q2, the
Six resistance R6, the 7th resistance R7, the 8th resistance R8 and the 9th resistance R9；One end of the second electric capacity C2 connects the 5th resistance R5
The other end and LNB_PWR signal ends, the other end of the second electric capacity C2 connects the 6th resistance R6 one end, the 8th resistance R8
One end and the 9th resistance R9 one end；The other end of the 6th resistance R6 connects the 7th resistance R7 one end and 3.3V_PD
Feeder ear；The other end of the 7th resistance R7 connects the second triode Q2 colelctor electrode and DSEC_TXIN signal ends；Described
The eight resistance R8 other end connects the second triode Q2 base stage；The other end of the 9th resistance R9 and the second triode Q2's
Emitter stage is grounded.In the present embodiment, the second triode Q2 is NPN type triode.
When set top box need to receive the feedback signal of controlled terminal, based on diseqc2.0 agreements, the feedback that controlled terminal is carried out is
By producing about 40mA current fluctuation come feedback signal, the utility model passes through the signal conversion module 40 and whole
Shape module 50 extracts the current signal that controlled terminal feeds back, specifically, when the frequency for receiving controlled terminal feedback is
22KHz, size about 40mA current signals are sent from LNB_PWR signal ends, now need the current signal of change switching to electricity
Signal is pressed, therefore the current signal need to pass through the signal conversion module 40, i.e. the 5th resistance R5, rather than during transmission signal
Inductance L1, so as to which current signal is converted into voltage signal, according to above-mentioned inductance L1 and the first electric capacity C1 preferred value, adopt
With LC parallel resonances, the impedance for making it be in 22KHz is maximum, and now 22K signals are not walked passes through on inductance L1 and the first electric capacity C1,
Signal conversion is carried out by the 5th resistance R5, obtains voltage signal.Preferably, the resistance of the 5th resistance R5 is preferably 15
It can obtain 600mV 22KHz ac voltage signals after the resistance that Ω, 40mA current signal pass through 15 Ω, but due to now
Signal peak-to-peak value is 600mV, and the low and high level that the processor of existing equipment can recognize is generally 0V and 3.3V, None- identified
600mV, therefore the ac voltage signal is shaped as by the square wave level signal that standard receives level by shaping circuit, it is specific whole
Shape process is, when after diseqc2.0 reception signals are converted to ac voltage signal being low level, now the second triode Q2 is closed
Disconnected, DSEC_TXIN outputs are high level 3.3V, are high level after diseqc2.0 reception signals are converted to ac voltage signal
When, now the second triode Q2 is turned on, and DSEC_TXIN outputs are low level 0V, it is achieved thereby that to the anti-of ac voltage signal
To and shaping effect, the square wave level signal is sent to the processor of equipment afterwards, the signal for completing diseqc2.0 receives,
Reach the information bidirectional between set top box and controlled terminal to communicate and control, improve the accuracy of digital satellite equipment control.
The utility model correspondingly provides a kind of DiSEqC equipment, including shell, and pcb board is provided with the shell, its
Described in be provided with transmitter/receiver circuit as described above on pcb board, due to being carried out to the transmitter/receiver circuit above
Describe in detail, be not described further herein.
In summary, in DiSEqC equipment provided by the utility model and its transmitter/receiver circuit, the DiSEqC equipment
Transmitter/receiver circuit include switch control module, switch module, LC resonance modules, signal conversion module and Shaping Module；When
When set top box sends control signal, turned off or turned on, machine according to the control signal controlling switch module by switch control module
Top box is according to corresponding LC resonance modules or the switch module of passing through of shut-off or conducting of switch module to controlled terminal output control signal；
When set top box receives the feedback signal of controlled terminal, feedback signal exports phase after signal conversion module carries out Current Voltage conversion
The ac voltage signal answered exports square wave to Shaping Module after carrying out reverse shaping to the ac voltage signal by Shaping Module
Level signal to set top box, set top box receives the feedback information of controlled terminal, can be automatically switched according to the control signal of set top box logical
Believe circuit, set top box can both control controlled terminal, can also receive the feedback signal of controlled terminal, realize set top box and controlled terminal
Between two-way communication.
It is understood that for those of ordinary skills, can according to the technical solution of the utility model and
The design of its utility model is subject to equivalent substitution or change, and all these changes or replacement should all belong to appended by the utility model
Scope of the claims.
Claims (10)
1. a kind of transmitter/receiver circuit of DiSEqC equipment, it is characterised in that humorous including switch control module, switch module, LC
Shake module, signal conversion module and Shaping Module；When set top box sends control signal, by switch control module according to the control
The shut-off of Signal-controlled switch module or conducting processed, set top box corresponds to according to the shut-off or conducting of switch module passes through LC resonance modules
Or switch module is to controlled terminal output control signal；When set top box receives the feedback signal of controlled terminal, feedback signal is through signal
Modular converter exports corresponding ac voltage signal to Shaping Module after carrying out Current Voltage conversion, by Shaping Module to the friendship
Flow after voltage signal carries out reverse shaping and export square wave level signal to set top box, the feedback information of set top box reception controlled terminal.
2. the transmitter/receiver circuit of DiSEqC equipment according to claim 1, it is characterised in that when the control signal is
During power supply signal, switch control module controls the switch module shut-off, and set top box is sent by LC resonance modules to controlled terminal
The power supply signal；When the control signal includes diseqc2.0 orders and power supply signal, described in switch control module control
Switch module turns on, and set top box sends the diseqc2.0 orders and power supply signal by switch module to controlled terminal.
3. the transmitter/receiver circuit of DiSEqC equipment according to claim 1, it is characterised in that the switch control module
Including first resistor, second resistance, 3rd resistor and the first triode；One end connection LBN_BFC signals of the first resistor
End and one end of second resistance, the other end ground connection of the first resistor；The other end of the second resistance connects the one or three pole
The base stage of pipe；The grounded emitter of first triode, one end of the colelctor electrode connection 3rd resistor of first triode,
The other end connecting valve module of the 3rd resistor.
4. the transmitter/receiver circuit of DiSEqC equipment according to claim 3, it is characterised in that the switch module includes
4th resistance and metal-oxide-semiconductor, the other end of one end connection 3rd resistor and the grid of metal-oxide-semiconductor of the 4th resistance, the described 4th
Source electrode, LC resonance modules, signal conversion module and the LNB_OUT signal ends of the other end connection metal-oxide-semiconductor of resistance, the metal-oxide-semiconductor
Drain electrode connection LC resonance modules, signal conversion module and LNB_PWR signal ends.
5. the transmitter/receiver circuit of DiSEqC equipment according to claim 1, it is characterised in that the LC resonance modules bag
Include inductance and the first electric capacity, one end connection LNB_OUT signal ends of the inductance, the other end connection LNB_PWR of the inductance
Signal end；One end connection LNB_OUT signal ends of first electric capacity, the other end connection LNB_PWR letters of first electric capacity
Number end.
6. the transmitter/receiver circuit of DiSEqC equipment according to claim 1, it is characterised in that the signal conversion module
Including the 5th resistance, one end connection LNB_OUT signal ends of the 5th resistance, the other end connection LNB_ of the 5th resistance
PWR signal ends.
7. the transmitter/receiver circuit of DiSEqC equipment according to claim 6, it is characterised in that the Shaping Module includes
Second electric capacity, the second triode, the 6th resistance, the 7th resistance, the 8th resistance and the 9th resistance；One end of second electric capacity connects
The other end and LNB_PWR signal ends of the 5th resistance are connect, the other end of second electric capacity connects one end of the 6th resistance, the 8th
One end of resistance and one end of the 9th resistance；The other end of 6th resistance connects one end of the 7th resistance and 3.3V_PD is supplied
Electric end；The other end of 7th resistance connects the colelctor electrode and DSEC_TXIN signal ends of the second triode；8th resistance
The other end connect the second triode base stage；The other end of 9th resistance and the emitter stage of the second triode are grounded.
8. the transmitter/receiver circuit of DiSEqC equipment according to claim 4, it is characterised in that the metal-oxide-semiconductor is P-channel
Metal-oxide-semiconductor, first triode are NPN type triode.
9. the transmitter/receiver circuit of DiSEqC equipment according to claim 7, it is characterised in that second triode is
NPN type triode.
10. a kind of DiSEqC equipment, including shell, pcb board is provided with the shell, it is characterised in that set on the pcb board
It is equipped with the transmitter/receiver circuit as described in claim 1-9 any one.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720526540.2U CN206743465U (en) | 2017-05-12 | 2017-05-12 | A kind of DiSEqC equipment and its transmitter/receiver circuit |
| PCT/CN2017/110058 WO2018205523A1 (en) | 2017-05-12 | 2017-11-09 | Diseqc device and transmitting and receiving circuit thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720526540.2U CN206743465U (en) | 2017-05-12 | 2017-05-12 | A kind of DiSEqC equipment and its transmitter/receiver circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206743465U true CN206743465U (en) | 2017-12-12 |
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ID=60565493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720526540.2U Active CN206743465U (en) | 2017-05-12 | 2017-05-12 | A kind of DiSEqC equipment and its transmitter/receiver circuit |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN206743465U (en) |
| WO (1) | WO2018205523A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019191905A1 (en) * | 2018-04-03 | 2019-10-10 | Texas Instruments Incorporated | Methods and apparatus to control satellite equipment |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2370629Y (en) * | 1999-01-27 | 2000-03-22 | 珠海市艾雷特电子有限公司 | Multi-way satellite television switch |
| EP2093900A3 (en) * | 2008-02-19 | 2013-02-06 | Gilat Satellite Networks, Ltd. | Satellite redundancy for critical applications |
| 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 |
| JP2013051461A (en) * | 2011-08-30 | 2013-03-14 | Sony Corp | Power supply device and receiving device |
-
2017
- 2017-05-12 CN CN201720526540.2U patent/CN206743465U/en active Active
- 2017-11-09 WO PCT/CN2017/110058 patent/WO2018205523A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019191905A1 (en) * | 2018-04-03 | 2019-10-10 | Texas Instruments Incorporated | Methods and apparatus to control satellite equipment |
| US10708554B2 (en) | 2018-04-03 | 2020-07-07 | Texas Instruments Incorporated | Methods and apparatus to control satellite equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018205523A1 (en) | 2018-11-15 |
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