CN208638485U - A kind of wide-band cable television and satellite TV signal are total to optical cable transmission optical sender - Google Patents
A kind of wide-band cable television and satellite TV signal are total to optical cable transmission optical sender Download PDFInfo
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- CN208638485U CN208638485U CN201821649663.6U CN201821649663U CN208638485U CN 208638485 U CN208638485 U CN 208638485U CN 201821649663 U CN201821649663 U CN 201821649663U CN 208638485 U CN208638485 U CN 208638485U
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Abstract
The utility model discloses a kind of wide-band cable televisions and satellite TV signal to be total to optical cable transmission optical sender, belong to optical sender field, a kind of wide-band cable television and satellite TV signal are total to optical cable transmission optical sender, including radiofrequency signal input circuit and laser drive circuit, the first amplifier is connected on the output end of radiofrequency signal input circuit, gain adjustment circuit is connected on the output end of first amplifier, the second amplifier is connected on the output end of gain adjustment circuit, light emitting diode is connected on the output end of second amplifier, the output end of laser drive circuit is connect with light emitting diode, radiofrequency signal input circuit, first amplifier, gain adjustment circuit, second amplifier, laser drive circuit and power supply circuit are integrated on high-frequency wideband microwave M MIC amplification chip, it may be implemented to be easy to transmit Cable TV signal and satellite TV signal.
Description
Technical field
The utility model relates to optical sender fields, more specifically to a kind of wide-band cable television and satellite electricity
Optical cable transmission optical sender is total to depending on signal.
Background technique
The effect of optical sender is then to be by NRZ code volume at NRZ code by the HDB3 sent from multiplexing equipment letter code conversion
It is suitble to the pattern transmitted on lightguide cable link, finally carries out electrical/optical conversion again, converts the electrical signal to optical signal and couple entering light
It is fine.
The work of current most of optical senders is all individually to transmit TV in 47-860MHz or 950-2150MHz again and again
Signal, cable TV signal (terrestrial television signal) and satellite TV signal are not mixed through same light
Transmitter changes into signal transmission through fiber.When if you need to two kinds of TV signals of simultaneous transmission, need for two kinds of optical senders to be mounted on
Same place, then fiber-optic signal is merged and is transmitted, it is brought a great deal of trouble in this way to installation wiring, while cost is also higher, no
Band 12V exports supply high frequency greatest service energy.
Utility model content
1. technical problems to be solved
Aiming at the problems existing in the prior art, the purpose of this utility model is to provide a kind of wide-band cable television and
Satellite TV signal is total to optical cable transmission optical sender, it may be implemented to be easy to transmit cable TV signal and satellite TV signal.
2. technical solution
To solve the above problems, the utility model adopts the following technical scheme.
A kind of wide-band cable television and satellite TV signal are total to optical cable transmission optical sender, including radiofrequency signal input electricity
Road and laser drive circuit are connected with the first amplifier, first amplification on the output end of the radiofrequency signal input circuit
It is connected with gain adjustment circuit on the output end of device, the second amplifier, institute are connected on the output end of the gain adjustment circuit
It states and is connected with light emitting diode on the output end of the second amplifier, the output end and light emitting diode of the laser drive circuit connect
It connects, optical signal input mouth is connected on the output end of the light emitting diode, be easy to transmit cable TV signal and satellite electricity
Depending on signal.
Further, it is connected with voltage follower circuit in the radiofrequency signal input circuit, is easy to provide stable V electricity
Pressure.
Further, the radiofrequency signal input circuit, the first amplifier, gain adjustment circuit, the second amplifier, laser
Driving circuit and power supply circuit are integrated on high-frequency wideband microwave M MIC amplification chip, the high-frequency wideband microwave M MIC
The exterior measuring of amplification chip is equipped with integrated shell, and the high-frequency wideband microwave M MIC amplification chip is mounted in integrated shell,
The working frequency of high-frequency wideband microwave M MIC amplification chip is wider, is easy to preferably adapt to the radio frequency letter in 47-2150MHz bandwidth
Number transmission, be easily reduced device occupied space, it is easy to install and use.
Further, power supply circuit, the electricity are connected between the gain adjustment circuit and laser drive circuit
Power supply adaptor is connected on the input terminal of source supply circuit, the power supply adaptor is connect with integrated shell, is easy to provide
Stable power supply, installation and debugging are convenient.
Further, laser is connected in the laser drive circuit, the laser is coaxial packaging laser, system
Simple process is made, save the cost is easy to.
3. beneficial effect
Compared with the prior art, utility model has the advantages that
(1) this programme is easy to transmit cable TV signal and satellite TV signal.
(2) it is connected with voltage follower circuit in radiofrequency signal input circuit, is easy to provide stable 12V voltage.
(3) radiofrequency signal input circuit, the first amplifier, gain adjustment circuit, the second amplifier, laser drive circuit and
Power supply circuit is integrated on high-frequency wideband microwave M MIC amplification chip, the exterior measuring of high-frequency wideband microwave M MIC amplification chip
Equipped with integrated shell, high-frequency wideband microwave M MIC amplification chip is mounted in integrated shell, and high-frequency wideband microwave M MIC is put
The working frequency of large chip is wider, is easy to preferably adapt to the radio signal transmission in 47-2150MHz bandwidth, is easily reduced dress
Occupied space is set, it is easy to install and use.
(4) be connected with power supply circuit between gain adjustment circuit and laser drive circuit, power supply circuit it is defeated
Enter and be connected with power supply adaptor on end, power supply adaptor is connect with integrated shell, is easy to provide stable power supply, installation and debugging
It is convenient.
(5) laser is connected in laser drive circuit, laser is coaxial packaging laser, and manufacturing process is simple, easily
In save the cost.
Detailed description of the invention
Fig. 1 is the circuit diagram of the utility model；
Fig. 2 is the partial circuit diagram one of the utility model；
Fig. 3 is the partial circuit diagram two of the utility model；
Fig. 4 is the partial circuit diagram three of the utility model.
Figure label explanation:
1 radiofrequency signal input circuit, 2 first amplifiers, 3 gain adjustment circuits, 4 second amplifiers, 5 Laser Drivens electricity
Road, 6 optical signal input mouths, 7 light emitting diodes, 8 power supply circuits.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe；Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment, based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
In the description of the present invention, it should be noted that term " on ", "lower", "inner", "outside", " top/bottom end " etc.
The orientation or positional relationship of instruction is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model
It is described with simplifying, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation structure
It makes and operates, therefore should not be understood as limiting the present invention.In addition, term " first ", " second " are only used for description mesh
, it is not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " being provided with ", " be arranged/connect ", " connection " etc., shall be understood in a broad sense, such as " connection ", may be a fixed connection, can also be with
It is to be detachably connected, or be integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be with
Indirectly connected through an intermediary, it can be the connection inside two elements.For the ordinary skill in the art, may be used
The concrete meaning of above-mentioned term in the present invention is understood with concrete condition.
Embodiment 1:
Please refer to Fig. 1-4, a kind of wide-band cable television and satellite TV signal are total to optical cable transmission optical sender, including penetrate
Frequency signal input circuit 1 and laser drive circuit 5, radiofrequency signal input circuit 1 are received to TV letter for integrating and inputting
Number, it is connected with the first amplifier 2 on the output end of radiofrequency signal input circuit 1, is connected with increasing on the output end of the first amplifier 2
Beneficial adjustment circuit 3 is connected with the second amplifier 4, the first amplifier 2 and the second amplifier 4 on the output end of gain adjustment circuit 3
For amplified signal, light emitting diode 7, the output end and hair of laser drive circuit 5 are connected on the output end of the second amplifier 4
Optical diode 7 connects, and is connected with optical signal input mouth 6 on the output end of light emitting diode 7, is easy to transmit cable TV signal
And satellite TV signal.
It is connected with voltage follower circuit in radiofrequency signal input circuit 1, is easy to provide stable 12V voltage, radiofrequency signal
Input circuit 1, the first amplifier 2, gain adjustment circuit 3, the second amplifier 4, laser drive circuit 5 and power supply circuit 8
It is integrated on high-frequency wideband microwave M MIC amplification chip, the exterior measuring of high-frequency wideband microwave M MIC amplification chip is equipped with integrated shell
Body, high-frequency wideband microwave M MIC amplification chip are mounted in integrated shell, the work of high-frequency wideband microwave M MIC amplification chip
Frequency is wider, is easy to preferably adapt to the radio signal transmission in 47-2150MHz bandwidth, is easily reduced device occupied space, pacifies
It fills easy to use, power supply circuit 8, power supply circuit 8 is connected between gain adjustment circuit 3 and laser drive circuit 5
Input terminal on be connected with power supply adaptor, power supply adaptor is connect with integrated shell, be easy to provide stable power supply, install
Debugging is convenient, and laser is connected in laser drive circuit 5, and laser is coaxial packaging laser, and manufacturing process is simple, is easy to
Save the cost.
In use, radiofrequency signal input circuit 1 is exported after integrating the TV signal received to the first amplifier 2, letter
Number signal filtering and signal amplification are carried out by the first amplifier 2, gain adjustment circuit 3 and the second amplifier 4, signal then from
The output end of second amplifier 4 exits into laser drive circuit 5, and the electric signal received output is by laser drive circuit 5
Optical signal, then optical signal enters power supply circuit 8 by light emitting diode 7, then enters optical fiber by power supply circuit 8
It is transmitted, compares existing device, this programme is easy to transmit cable TV signal and satellite TV signal, can also provide steady
Fixed 12V voltage, the radio signal transmission being readily adapted to accommodate in 47-2150MHz bandwidth, device volume is small, easy to install and use.
The preferable specific embodiment of the above, only the utility model；But the protection scope of the utility model is not
It is confined to this.Anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its improvement design is subject to equivalent substitution or change, should all cover in the protection scope of the utility model
It is interior.
Claims (5)
1. a kind of wide-band cable television and satellite TV signal are total to optical cable transmission optical sender, including radiofrequency signal input circuit
(1) and laser drive circuit (5), it is characterised in that: be connected with first on the output end of the radiofrequency signal input circuit (1) and put
Big device (2) is connected with gain adjustment circuit (3) on the output end of first amplifier (2), the gain adjustment circuit (3)
Output end on be connected with the second amplifier (4), be connected with light emitting diode (7) on the output end of second amplifier (4),
The output end of the laser drive circuit (5) is connect with light emitting diode (7), is connected on the output end of the light emitting diode (7)
It is connected to optical signal input mouth (6).
2. a kind of wide-band cable television according to claim 1 and satellite TV signal are total to optical cable transmission optical sender,
It is characterized by: being connected with voltage follower circuit in the radiofrequency signal input circuit (1).
3. a kind of wide-band cable television according to claim 1 and satellite TV signal are total to optical cable transmission optical sender,
It is characterized by: the radiofrequency signal input circuit (1), the first amplifier (2), gain adjustment circuit (3), the second amplifier
(4), laser drive circuit (5) and power supply circuit (8) are integrated on high-frequency wideband microwave M MIC amplification chip, the height
Exterior measuring of the bandwidth with microwave M MIC amplification chip is equipped with integrated shell, and the high-frequency wideband microwave M MIC amplification chip is mounted on
In integrated shell.
4. a kind of wide-band cable television according to claim 1 and satellite TV signal are total to optical cable transmission optical sender,
It is characterized by: be connected with power supply circuit (8) between the gain adjustment circuit (3) and laser drive circuit (5), it is described
Power supply adaptor is connected on the input terminal of power supply circuit (8), the power supply adaptor is connect with integrated shell.
5. a kind of wide-band cable television according to claim 1 and satellite TV signal are total to optical cable transmission optical sender,
It is characterized by: being connected with laser in the laser drive circuit (5), the laser is coaxial packaging laser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821649663.6U CN208638485U (en) | 2018-10-11 | 2018-10-11 | A kind of wide-band cable television and satellite TV signal are total to optical cable transmission optical sender |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821649663.6U CN208638485U (en) | 2018-10-11 | 2018-10-11 | A kind of wide-band cable television and satellite TV signal are total to optical cable transmission optical sender |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208638485U true CN208638485U (en) | 2019-03-22 |
Family
ID=65744147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821649663.6U Expired - Fee Related CN208638485U (en) | 2018-10-11 | 2018-10-11 | A kind of wide-band cable television and satellite TV signal are total to optical cable transmission optical sender |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208638485U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111193546A (en) * | 2020-03-30 | 2020-05-22 | 成都微泰科技有限公司 | Radio frequency and digital aliasing transmission system based on optical fiber communication |
| CN115118902A (en) * | 2022-06-28 | 2022-09-27 | 中山博力高电子有限公司 | Ground and satellite television signal stacked optical transmitter |
-
2018
- 2018-10-11 CN CN201821649663.6U patent/CN208638485U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111193546A (en) * | 2020-03-30 | 2020-05-22 | 成都微泰科技有限公司 | Radio frequency and digital aliasing transmission system based on optical fiber communication |
| CN115118902A (en) * | 2022-06-28 | 2022-09-27 | 中山博力高电子有限公司 | Ground and satellite television signal stacked optical transmitter |
| CN115118902B (en) * | 2022-06-28 | 2024-08-30 | 中山博力高电子有限公司 | Ground and satellite television signal stacking light emitter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190322 Termination date: 20201011 |