CN208849227U - A kind of fiber amplifier - Google Patents
A kind of fiber amplifier Download PDFInfo
- Publication number
- CN208849227U CN208849227U CN201821705394.0U CN201821705394U CN208849227U CN 208849227 U CN208849227 U CN 208849227U CN 201821705394 U CN201821705394 U CN 201821705394U CN 208849227 U CN208849227 U CN 208849227U
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- Prior art keywords
- fiber amplifier
- coupled capacitor
- resonant
- bias inductors
- coupler
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- Semiconductor Lasers (AREA)
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Abstract
The utility model provides a kind of fiber amplifier, including photodiode D1, laser diode D2, microwave amplifier V1, controllable attenuator A1, photo-coupler F1, F2, power splitter T1, coupled capacitor C1, C3, C4, C5, C6, resonant capacitance C2, bias inductors L1, L2, L4, L5, resonant inductance L3, biasing resistor R2, resonant resistance R1 and power Vcc, Vib, the utility model provides a kind of fiber amplifier of variable gain, the transmitting amplitude of adjustment signal is carried out in the receiving end for being suitable for different distance, both receiving device is protected, in turn ensure the quality of signal, energy balance；The utility model provides the fiber amplifier of a kind of radiofrequency signal, optical signal double-standard, is applicable to the light emitting end occasion and photoelectric conversion application of different systems signal.
Description
Technical field
The utility model relates to field of photoelectric technology more particularly to a kind of fiber amplifiers.
Background technique
In Modern wireless communication field, with the extensive use of radio technology, black appliances platform, pseudo-base station are more and more, nothing
Line electricity frequency spectrum resource is faced with the problem of rare scarcity, and wireless propagation environment is compared to the large effect also received in the past.With
Optical fiber technology has also obtained biggish development simultaneously for this, and the covering of fiber optic network is more and more perfect, and photoelectric conversion is applied.?
In complicated space environment or in the case that relay station is default, microwave signal is solved vulnerable to interference by application optical transport
Or the problem of can not propagating.
So that the demand of fiber amplifier increases, traditional fiber amplifier is putting for single light for the application of photoelectric conversion
Greatly, light emitting power is fixed, by selecting several fixed value optical attenuators, the stepping of Lai Jinhang transmission range.For not
With the signal in standard source, uses and compare limitation.It is indefinite because of transmission range for the receiving end of optical signal, Gu
The fiber amplifier for determining gear can cause signal is too small can not receive or the too big damage equipment of signal to receiving end.
Such as Chinese patent " CN104467690A " discloses a kind of fiber amplifier circuit, including CPU processor, first
Control module, the second control module and laser module, which is characterized in that the CPU processor passes through current comparator and first
Control module connection, first control module are connect with laser module, and the laser module passes through temperature comparator and second
Control module connection.The range of signal that the technical solution is applicable in is smaller, and electronic component is more.
Summary of the invention
To overcome the problems, such as that frequency range existing in the prior art is smaller, electronic component is more, the utility model is mentioned
A kind of fiber amplifier is supplied.
The utility model is achieved through the following technical solutions above-mentioned purpose: a kind of fiber amplifier, including photodiode
D1, laser diode D2, microwave amplifier V1, controllable attenuator A1, photo-coupler F1, F2, power splitter T1, coupled capacitor C1,
C3, C4, C5, C6, resonant capacitance C2, bias inductors L1, L2, L4, L5, resonant inductance L3, biasing resistor R2, resonant resistance R1 and
Power Vcc, Vib, it is characterised in that: radio frequency interface X1, institute are connected after the 1 serial coupling capacitor C1 of input terminal of the power splitter T1
The input terminal 2 for stating power splitter T1 is sequentially connected in series after coupled capacitor C3, resonant inductance L3 and resonant resistance R1 with the connecting biasing
Node between inductance L3 and resonant resistance R1 connects ground, the coupling electricity after being sequentially connected resonant capacitance C2 and bias inductors L2
Hold after the node between C2 and bias inductors L2 is sequentially connected photodiode D1 and bias inductors L1 and connects ground；The photoelectricity two
The photosensitive end of pole pipe D1 passes through photo-coupler F1 connection light input interface X2；The end G of the power splitter T1 is grounded, the power splitter
Power Vcc, the microwave amplifier are accessed after being sequentially connected in series coupled capacitor C4, microwave amplifier V1, bias inductors L4 in the end c of T1
Node between V1 and bias inductors L4 is sequentially connected coupled capacitor C5, controllable attenuator A1, coupled capacitor C6, biasing resistor R2
Power supply Vib is accessed afterwards, and the node between the coupled capacitor C6 and biasing resistor R2 is sequentially connected laser diode D2 and biasing
Connect ground after inductance L5；The luminous end of the laser diode D2 passes through photo-coupler F2 connection light output interface X3.
On this basis, the power Vcc, Vib are DC voltage, and voltage value is+5V.
On this basis, described coupled capacitor C1, C3, C4, C5, C6 are nonpolarity chip ceramic capacitor.
On this basis, bias inductors L1, L5 are 0510 discrete inductance, and bias inductors L2, L4 are 0805 patch
Piece encapsulation, the resonant inductance L3 are adjustable air core coil.
On this basis, the biasing resistor R2, resonant resistance R1 are the encapsulation of 0805 patch.
On this basis, described photo-coupler F1, F2 are LC/FC fiber coupler.
On this basis, the photodiode D1 is XGT3001, laser diode 6005C.
On this basis, the power splitter T1 is TCP-2-33W+, and microwave amplifier V1 is SBB-5089Z, adjustable damping
Device A1 is HMC472.
Compared with prior art, the utility model has the beneficial effects that
The utility model provides a kind of fiber amplifier of variable gain, is suitable for the receiving end of different distance to adjust
The transmitting amplitude of signal, both protects receiving device, in turn ensures the quality of signal, energy balance.
The utility model provides the fiber amplifier of a kind of radiofrequency signal, optical signal double-standard, is applicable to different systems
The light emitting end occasion and photoelectric conversion application of formula signal.
Detailed description of the invention
Fig. 1 is the circuit diagram of the utility model.
Specific embodiment
Below in conjunction with drawings and examples, the present invention will be further described in detail.It should be appreciated that this place is retouched
The specific embodiment stated only to explain the utility model, is not used to limit the utility model.
As shown in Figure 1, the utility model schematically illustrates a kind of fiber amplifier.
The utility model discloses a kind of fiber amplifier, as shown in Figure 1, a kind of fiber amplifier, including two pole of photoelectricity
Pipe D1, laser diode D2, microwave amplifier V1, controllable attenuator A1, photo-coupler F1, F2, power splitter T1, coupled capacitor
C1, C3, C4, C5, C6, resonant capacitance C2, bias inductors L1, L2, L4, L5, resonant inductance L3, biasing resistor R2, resonant resistance
R1 and power Vcc, Vib connect radio frequency interface X1 after the 1 serial coupling capacitor C1 of input terminal of power splitter T1, and power splitter T1's is defeated
Enter after end 2 is sequentially connected in series coupled capacitor C3, resonant inductance L3 and resonant resistance R1 and connects ground, bias inductors L3 and resonant resistance R1
Between node be sequentially connected after resonant capacitance C2 and bias inductors L2 and connect ground, between coupled capacitor C2 and bias inductors L2
Node connects ground after being sequentially connected photodiode D1 and bias inductors L1；The photosensitive end of photodiode D1 passes through photo-coupler
F1 connection light input interface X2；The end G of power splitter T1 is grounded, and the end c of power splitter T1 is sequentially connected in series coupled capacitor C4, microwave amplification
Power Vcc is accessed after device V1, bias inductors L4, the node between microwave amplifier V1 and bias inductors L4, which is sequentially connected, couples electricity
Hold C5, controllable attenuator A1, coupled capacitor C6, after biasing resistor R2 access power supply Vib, coupled capacitor C6 and biasing resistor R2 it
Between node be sequentially connected after laser diode D2 and bias inductors L5 and connect ground；The luminous end of laser diode D2 passes through optocoupler
Clutch F2 connection light output interface X3.
As preferred embodiments of the present invention, the power Vcc, Vib are DC voltage, and voltage value is+5V.
As preferred embodiments of the present invention, described coupled capacitor C1, C3, C4, C5, C6 are nonpolarity patch pottery
Porcelain capacitor.
As preferred embodiments of the present invention, bias inductors L1, L5 are 0510 discrete inductance, the biasing
Inductance L2, L4 are the encapsulation of 0805 patch, and the resonant inductance L3 is adjustable air core coil.
As preferred embodiments of the present invention, the biasing resistor R2, resonant resistance R1 are the encapsulation of 0805 patch.
As preferred embodiments of the present invention, described photo-coupler F1, F2 are LC/FC fiber coupler.
As preferred embodiments of the present invention, the photodiode D1 is XGT3001, and laser diode is
6005C。
As preferred embodiments of the present invention, the power splitter T1 is TCP-2-33W+, and microwave amplifier V1 is
SBB-5089Z, adjustable attenuator A1 are HMC472.
The working principle of the utility model is:
When input signal is radio frequency standard, radiofrequency signal is inputted from radio frequency interface X1, and coupled capacitor C1 is coupled to function
Divide the input terminal 1 of device T1；Signal into power splitter T1 is exported by the end c, then is coupled to microwave amplifier V1 by coupled capacitor C4
Input terminal, the working power Vcc of microwave amplifier V1, which through bias inductors L4 adds to output end and is in microwave amplifier V1, to be put
Signal is amplified and is exported by big working condition；The amplified coupled capacitor C5 of signal is coupled to the input terminal of controllable attenuator A1,
Controllable attenuator A1 enables amplified signal by the attenuation of external industrial controlled machine input CTL Signal Regulation controllable attenuator A1
It is adjusted to required gain output；The coupled capacitor C6 of signal after gain adjustment is coupled to the anode of laser diode D2, laser
The power supply Vib of diode D2 provides bias current needed for work for biasing resistor R2, and the cathode of laser diode D2 connects biased electrical
Sense L5 is formed into a loop over the ground, and the radiofrequency signal of positive grade is become optical signal, passes through photo-coupler by subsequent laser diode D2 conducting
F2 is transmitted to fiber optic network.
When input signal is light standard, optical signal is inputted from light input interface X2, is transmitted to light by photo-coupler F1
The photosensitive end of electric diode D1, bias inductors of bias inductors L1, L2 as photodiode D1, forming circuit makes photoelectricity over the ground
Diode D1 is in running order, converts optical signal into electric signal, the coupled capacitor C2 of electric signal, resonant resistance R1, resonance
The resonant network that inductance L3 is constituted, the radiofrequency signal of frequency range needed for choosing, the coupled capacitor C3 of radiofrequency signal are coupled to power splitter
The input terminal 2 of T1, then by the preceding paragraph describe in method work.
Compared with prior art, the utility model has the beneficial effects that
The utility model provides a kind of fiber amplifier of variable gain, is suitable for the receiving end of different distance to adjust
The transmitting amplitude of signal, both protects receiving device, in turn ensures the quality of signal, energy balance.
The utility model provides the fiber amplifier of a kind of radiofrequency signal, optical signal double-standard, is applicable to different systems
The light emitting end occasion and photoelectric conversion application of formula signal.
The preferred embodiment of the utility model has shown and described in above description, as previously described, it should be understood that this is practical new
Type is not limited to forms disclosed herein, and should not be regarded as an exclusion of other examples, and can be used for various other groups
It closes, modification and environment, and by the technology of above-mentioned introduction or related fields or can know within that scope of the inventive concept describe herein
Knowledge is modified.And changes and modifications made by those skilled in the art do not depart from the spirit and scope of the utility model, then all answer
In the protection scope of the appended claims for the utility model.
Claims (8)
1. a kind of fiber amplifier, including photodiode D1, laser diode D2, microwave amplifier V1, controllable attenuator A1,
Photo-coupler F1, F2, power splitter T1, coupled capacitor C1, C3, C4, C5, C6, resonant capacitance C2, bias inductors L1, L2, L4, L5,
Resonant inductance L3, biasing resistor R2, resonant resistance R1 and power Vcc, Vib, it is characterised in that: the input terminal of the power splitter T1
Radio frequency interface X1 is connected after 1 serial coupling capacitor C1, the input terminal 2 of the power splitter T1 is sequentially connected in series coupled capacitor C3, resonance
Ground is connected after inductance L3 and resonant resistance R1, the node between the bias inductors L3 and resonant resistance R1 is sequentially connected resonance electricity
Ground is connected after holding C2 and bias inductors L2, the node between the coupled capacitor C2 and bias inductors L2 is sequentially connected two pole of photoelectricity
Connect ground after pipe D1 and bias inductors L1；The photosensitive end of the photodiode D1 passes through photo-coupler F1 connection light input interface
X2；The end G of the power splitter T1 is grounded, and the end c of the power splitter T1 is sequentially connected in series coupled capacitor C4, microwave amplifier V1, partially
Power Vcc is accessed after setting inductance L4, the node between the microwave amplifier V1 and bias inductors L4 is sequentially connected coupled capacitor
Power supply Vib, the coupled capacitor C6 and biasing resistor R2 are accessed after C5, controllable attenuator A1, coupled capacitor C6, biasing resistor R2
Between node be sequentially connected after laser diode D2 and bias inductors L5 and connect ground；The luminous end of the laser diode D2 is logical
Cross photo-coupler F2 connection light output interface X3.
2. a kind of fiber amplifier according to claim 1, it is characterised in that: the power Vcc, Vib are DC voltage,
Voltage value is+5V.
3. a kind of fiber amplifier according to claim 1, it is characterised in that: described coupled capacitor C1, C3, C4, C5, C6
For nonpolarity chip ceramic capacitor.
4. a kind of fiber amplifier according to claim 1, it is characterised in that: bias inductors L1, L5 are 0510 point
Vertical inductance, bias inductors L2, L4 are the encapsulation of 0805 patch, and the resonant inductance L3 is adjustable air core coil.
5. a kind of fiber amplifier according to claim 1, it is characterised in that: the biasing resistor R2, resonant resistance R1
For the encapsulation of 0805 patch.
6. a kind of fiber amplifier according to claim 1, it is characterised in that: described photo-coupler F1, F2 are LC/FC light
Fine coupler.
7. a kind of fiber amplifier according to claim 1, it is characterised in that: the photodiode D1 is XGT3001,
Laser diode is 6005C.
8. a kind of fiber amplifier according to claim 1, it is characterised in that: the power splitter T1 is TCP-2-33W+,
Microwave amplifier V1 is SBB-5089Z, and adjustable attenuator A1 is HMC472.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821705394.0U CN208849227U (en) | 2018-10-19 | 2018-10-19 | A kind of fiber amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821705394.0U CN208849227U (en) | 2018-10-19 | 2018-10-19 | A kind of fiber amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208849227U true CN208849227U (en) | 2019-05-10 |
Family
ID=66376370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821705394.0U Expired - Fee Related CN208849227U (en) | 2018-10-19 | 2018-10-19 | A kind of fiber amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208849227U (en) |
-
2018
- 2018-10-19 CN CN201821705394.0U patent/CN208849227U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190510 Termination date: 20201019 |
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| CF01 | Termination of patent right due to non-payment of annual fee |