CN106899351B - A kind of simulation light delivery module - Google Patents
A kind of simulation light delivery module Download PDFInfo
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- CN106899351B CN106899351B CN201710116461.9A CN201710116461A CN106899351B CN 106899351 B CN106899351 B CN 106899351B CN 201710116461 A CN201710116461 A CN 201710116461A CN 106899351 B CN106899351 B CN 106899351B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/40—Transceivers
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Abstract
The embodiment of the present application discloses a kind of simulation light delivery module, is related to the communications field, is able to solve the problem of signal in broadband is by the loss of signal of simulated light module transfer.Simulation light delivery module includes radio frequency connector, transmitted in both directions optical signal receives and transmitting combiner BOSA, transmit circuit, reception circuit and printed circuit board；Radio frequency connector, is used for transmission electric signal and connection printed circuit board and radio frequency remote unit RRU, and electric signal is the electric signal in broadband；BOSA for converting electrical signals to optical signal in single fiber, and converts optical signals to electric signal, and optical signal is the optical signal in broadband；Circuit is received, the gain and the impedance matching of progress electric signal of electric signal after electric signal are converted optical signal into for being lifted BOSA；Transmit circuit, for being lifted the gain of the electric signal received and carrying out the impedance matching of port；Printed circuit board, for each device in welding analog light delivery module.Signal of the embodiment of the present application for BBU and RRU transmits.
Description
Technical field
This application involves the communications field more particularly to a kind of simulation light delivery modules.
Background technique
Current base station system uses baseband processing unit (Building Base band Unit, BBU) and remote radio
The distributed arrangement manner of unit (Radio Remote Unit, RRU), wherein it is main that BBU mainly handles data-signal, RRU
Realize remote radio.Since existing base station is narrowband systems, index request is high, and the volume and weight of RRU is all very big, with full range
The development of band indoor covering system and the 5th third-generation mobile communication technology (5-Generation, 5G) system, big bandwidth, small size
RRU become main demand, base station system needs to raise speed and loss of weight, transmitting radio frequency signal on optical fiber (Radio Over Fiber,
ROF) technology becomes the crucial alternative technique of big bandwidth for transmission system speed-raising loss of weight.ROF technology is passed using optical carrier
Referred to as, optical fiber functions only as the effect of transmission medium to the technology of defeated radiofrequency signal, and wherein radiofrequency signal is passed by electric light converter
It is defeated to be transmitted into optical fiber by optical fiber, electric signal is finally converted by photoelectric converter.
Using ROF technology, the prior art provides a kind of narrow-band analog optical module.Fig. 1 is narrow in a kind of RRU and BBU
The schematic diagram connected with simulation optical module by optical fiber.It will be seen from figure 1 that the electric signal interface that uses of the program is coaxially connects
Connect that device is all bitter, the electric signal of the side RRU input is after amplifier amplifies, and electric signal is by the conversion chip of electric signal to optical signal turn
It changes optical signal into, then is transferred out by optical connector and optical fiber, the optical signal by optical fiber transmission reaches the light in BBU and inputs
Module, optical signal are converted to electric signal to electric signal chip by optical signal, and radio frequency letter is completed after amplifying by electric signal amplifier
Number output and amplification.Optical signal transmission can only be transmitted in one direction, and the interface of electric signal input is coaxial connector interface,
Optical signal is the pluggable interface of optical signal of SC interface.But it is limited to the narrow band laser in narrow-band analog optical module and narrow
Band circuit (not shown in figure 1), the bandwidth of operation upper limit is lower than 3GHz, broadband to be not easy to realize, i.e., if the signal in broadband is logical
Crossing the narrow-band analog optical mode block signal will lose.
Summary of the invention
The embodiment of the present application provides a kind of simulation light delivery module, and the signal for being able to solve broadband is passed by simulation optical module
The problem of defeated loss of signal.
On the one hand, a kind of simulation light delivery module is provided, simulation light delivery module includes radio frequency connector, transmitted in both directions light
Signal receives and transmitting combiner BOSA, transmit circuit, reception circuit and printed circuit board；Radio frequency connector, for passing
Power transmission signal and connection printed circuit board and radio frequency remote unit RRU, electric signal are the electric signal in broadband；BOSA, in list
Optical signal is converted electrical signals in fibre, and converts optical signals to electric signal, and optical signal is the optical signal in broadband；Receive electricity
Road converts optical signal into the gain and the impedance matching of progress electric signal of electric signal after electric signal for being lifted BOSA；Transmitting
Circuit, for being lifted the gain of the electric signal received and carrying out the impedance matching of port；Printed circuit board is used for welding analog
Each device in light delivery module.So, the radio frequency connector in the application is just broadband RF connector, and BOSA is
Broadband BOSA, transmit circuit and receives circuit and is used for transmission the electric signal and optical signal in broadband, may make broadband electric signal or
Optical signal passes through the broadband RF connector, broadband BOSA, transmits the transmit circuit in broadband and receives circuit and is transmitted, thus
The loss when signal in reduction broadband transmits in narrow-band analog optical module.
In a kind of possible design, radio frequency connector includes plug and socket；Plug include the first pluggable part and
Second pluggable part, the first pluggable part are used for transmission radiofrequency signal, and the second pluggable part is used for transmission direct current signal,
First pluggable part uses micro coaxle structure, to guarantee broadband character, so that the electric signal in broadband passes through；Plug further includes
One welding portion, the first welding portion include that corresponding first welding portion in the first pluggable part, the second pluggable part are right
The second welding portion answered and the first ground connection welding portion, the first ground connection welding portion are welded on printed circuit board length direction
End；Socket includes the pluggable part of third and the 4th pluggable part, and the pluggable part of third is used for transmission radiofrequency signal,
4th pluggable part is used for transmission direct current signal, and the pluggable part of third is made using micro coaxle structure with guaranteeing broadband character
The electric signal for obtaining broadband passes through；Socket further includes the second welding portion, and the second welding portion includes that the pluggable part of third is corresponding
Third welding portion, corresponding 4th welding portion in the 4th pluggable part and the second ground connection welding portion, the second ground connection weldering
Socket part point is welded on the bottom of printed circuit board；Wherein, the first pluggable part is installed with the pluggable part interworking of third, and second
With the 4th pluggable part to slotting connection, the second welding portion of socket is connect with RRU for pluggable part.So, pass through
Plug and socket is used cooperatively, and simulation light delivery module may make to be easily installed and safeguard.
In a kind of possible design, BOSA includes transmitting pin, receives pin and BOSA optical port；Transmitting pin is used for will
Optical signal output after inputting the electric signal conversion of BOSA；Telecommunications after receiving optical signal conversion of the pin for BOSA will to be inputted
Number output；BOSA optical port is for outputting and inputting optical signal, emitting pin and receiving pin and printed circuit board welding.In this way may be used
To realize electric signal to optical signal, the conversion of optical signal to electric signal and single fiber bi-directional transmission.
In a kind of possible design, receives circuit and connect including the first broad band amplifier, the first reception match circuit, second
Receive match circuit, third receives match circuit, receives power supply circuit and the first microstrip line；Wherein, the transmitting terminal of BOSA can
Length direction between radio frequency connector, first receives match circuit, the second reception match circuit, connecing against the first microstrip line
Receive power supply circuit, third receives match circuit and the first broad band amplifier passes sequentially through the connection of the first microstrip line；First broadband
Amplifier is used to be lifted the gain of the electric signal received；First receives match circuit, the second reception match circuit and third
Match circuit is received for carrying out impedance matching.First microstrip line can be 50 ohm microstrips, can to transmit broadband
Loss of signal and flatness are minimum, and the scheme that broadband magnetic bead shunt capacitance in parallel can be used to ground by receiving power supply circuit is realized wide
Band characteristic.
In a kind of possible design, on the length direction of the reception pin of BOSA, match circuit is received using successively
Series resistance, parallel resistance to ground, the first microstrip line magnetic bead in parallel are connected with the mode of capacitor, PI shape attenuator of connecting.
In a kind of possible design, transmit circuit includes the second broad band amplifier 14, first transmitting match circuit 12, the
Two transmitting match circuits 10, launch power circuit 11 and the second microstrip line；It can be between radio frequency connector in the receiving end of BOSA
Length direction, the second broad band amplifier 14, first emit match circuit 12, second emit match circuit 10 and abut second
The launch power circuit 11 of microstrip line 2 ' passes sequentially through the cascade of the second microstrip line；Second broad band amplifier is used to be lifted to receive
The gain of electric signal, the first transmitting match circuit and two transmitting match circuits are for carrying out impedance matching.First microstrip line can be with
For 50 ohm microstrips, the loss of signal for transmitting broadband and flatness can be made minimum, launch power circuit can be using simultaneously
The scheme for joining broadband magnetic bead shunt capacitance to ground realizes broadband character.
In a kind of possible design, on the length direction of the transmitting pin of BOSA, transmitting match circuit is using successively
The magnetic bead of second microstrip line in parallel is connected with the mode of capacitor, series resistance, PI shape attenuator of connecting.
In a kind of possible design, simulation light delivery module further includes shell, and shell includes upper cover plate and lower cover plate；Shell
Body is used to form protection and the isolation of electromagnetic signal to the device on printed circuit board and printed circuit board.
In a kind of possible design, simulation light delivery module further includes activity optical port, and activity optical port is equipped with for placing
The groove of BOSA is reserved with gap between groove, the briquetting of semi-circular recesses is equipped at the top of activity optical port, for fixing and compressing
BOSA, activity optical port are connect with optical fiber, pass through optical fiber output for the optical signal of reception optical fiber transmission and by optical signal.
By above-mentioned design, it is connect due to radio frequency connector with RRU, after RRU flanks the electric signal received, Ke Yitong
The gain for the electric signal that transmit circuit lifting receives is crossed, and carries out impedance matching, and the electric signal after lifting gain is passed through
BOSA is converted to optical signal transmission and goes out, and so, the bandwidth of the electric signal after being lifted gain expands, similarly, when the side BBU
When the optical signal of transmission is transmitted to simulation light delivery module by optical fiber, after BOSA converts optical signal into electric signal, connect
The gain of electric signal can be lifted and pass through radio frequency connector by receipts circuit is sent to RRU, so that the bandwidth that RRU is received expands
Electric signal afterwards, so, the radio frequency connector in the application are just broadband RF connector, and BOSA is broadband BOSA, hair
Transmit-receive radio road and reception circuit are used for transmission the electric signal and optical signal in broadband, and the electric signal or optical signal that may make broadband are by being somebody's turn to do
Broadband RF connector, broadband BOSA transmit the transmit circuit in broadband and receive circuit and transmitted, to reduce the letter in broadband
Loss when transmitting number in narrow-band analog optical module, and broadband character is utilized, the indoor covering system of full frequency band can be constructed,
The more RRU of cloth in hundreds of meters of ranges of radius improve system data capacity, realize that the power consumption of RRU is greatly reduced.
Detailed description of the invention
Fig. 1 is the schematic diagram that a kind of RRU of the prior art is connected with the narrow-band analog optical module in BBU by optical fiber；
Fig. 2 is network rack when a kind of simulation light delivery module provided by the embodiments of the present application is connected in distributed cloth station
Structure schematic diagram；
Fig. 3 is a kind of structural schematic diagram for simulating light delivery module provided by the embodiments of the present application；
Fig. 4 is a kind of circuit diagram for simulating light delivery module provided by the embodiments of the present application；
Fig. 5 is the structural decomposition diagram of the pluggable simulation light delivery module of one kind provided by the embodiments of the present application；
Fig. 6 is a kind of structural representation of the pluggable part of plug for simulating light delivery module provided by the embodiments of the present application
Figure；
Fig. 7 is a kind of structural representation of the welding portion of plug for simulating light delivery module provided by the embodiments of the present application
Figure；
Fig. 8 is a kind of structural representation of the pluggable part of socket for simulating light delivery module provided by the embodiments of the present application
Figure；
Fig. 9 is a kind of structural representation of the welding portion of socket for simulating light delivery module provided by the embodiments of the present application
Figure；
Figure 10 is the structural schematic diagram of the signal end inside a kind of socket provided by the embodiments of the present application；
Figure 11 is the structural schematic diagram after a kind of socket and plug mounted in pairing mode provided by the embodiments of the present application；
Figure 12 is a kind of structural schematic diagram of BOSA provided by the embodiments of the present application；
Figure 13 is a kind of activity optical port and BOSA assembling schematic diagram provided by the embodiments of the present application；
Figure 14 is that a kind of kidney-shaped screw hole and floating optical port for absorbing location tolerance provided by the embodiments of the present application is set
The structural schematic diagram of meter；
Figure 15 is the test bandwidth that a kind of the embodiment of the present application provided by the embodiments of the present application tests bandwidth and the prior art
Comparison diagram；
Capacity and existing skill of the Figure 16 for a kind of four frequency signals of RRU realization provided by the embodiments of the present application
Art realizes the contrast schematic diagram of the capacity of single frequency signal；
Figure 17, which connect for SFP+ structural member provided by the embodiments of the present application and a kind of with analogue transmission optical module and optical fiber, to be shown
It is intended to.
Specific embodiment
The embodiment of the present application can be applied to base station system using in the distributed arrangement manner of BBU and RRU, can be used for
Transmit the electric signal in broadband and the optical signal in broadband.
Wherein, network when Fig. 2 is connected in distributed cloth station for the simulation light delivery module that the application is referred to below
Framework.As it can be seen that one end of simulation light delivery module is mounted on the side of RRU, the other end and optical fiber of light delivery module are simulated
One end connection, the other end of optical fiber are connect with BBU.
As shown in figure 3, the simulation light delivery module in the embodiment of the present application may include radio frequency connector, transmitted in both directions light
Signal receives and transmitting combiner (Bi-direction Optical Subassembly, BOSA), transmit circuit, reception electricity
Road and printed circuit board.
Radio frequency connector, is used for transmission electric signal and connection printed circuit board and radio frequency remote unit RRU, and electric signal is width
The electric signal of band；
BOSA for converting electrical signals to optical signal in single fiber, and converts optical signals to electric signal, optical signal
For the optical signal in broadband；
Circuit is received, the gain of electric signal after electric signal is converted optical signal into for being lifted BOSA and carries out electric signal
Impedance matching；
Transmit circuit, for being lifted the gain of the electric signal received and carrying out the impedance matching of port；
Printed circuit board, for each device in welding analog light delivery module.
By above-mentioned design, it is connect due to radio frequency connector with RRU, after RRU flanks the electric signal received, Ke Yitong
The gain for the electric signal that transmit circuit lifting receives is crossed, and carries out impedance matching, and the electric signal after lifting gain is passed through
BOSA is converted to optical signal transmission and goes out, and so, the bandwidth of the electric signal after being lifted gain expands, similarly, when the side BBU
When the optical signal of transmission is transmitted to simulation light delivery module by optical fiber, after BOSA converts optical signal into electric signal, connect
The gain of electric signal can be lifted and pass through radio frequency connector by receipts circuit is sent to RRU, so that the bandwidth that RRU is received expands
Electric signal afterwards, so, the radio frequency connector in the application can be understood as broadband RF connector, and BOSA is broadband
BOSA, transmit circuit and reception circuit are used for transmission the electric signal and optical signal in broadband, may make the electric signal or light letter in broadband
Number pass through the broadband RF connector, broadband BOSA, transmit broadband transmit circuit and receive circuit transmitted, to reduce
The loss when signal in broadband transmits in narrow-band analog optical module.
In application embodiment, above-mentioned simulation light delivery module can also include activity optical port, and the activity optical port is for connecting
Meet BOSA and optical fiber.Simulating light delivery module can also include driving circuits, which, which uses, has
The adjustable resistance of temperature sensor is connected to the feedback pin of laser, the light function changed for stable laser with temperature characterisitic
Rate.The voltage change of feedback pin is put by the way that feedback signal is carried out electric current by the triode of driving circuit after operational amplifier
Optical module in the prior art can also be used for 70 degrees Celsius of expansions of operating temperature range by the driving current of big post-compensation laser
It opens up to 90 degrees Celsius.
So, it as shown in figure 4, simulating the circuit diagram of light delivery module for the embodiment of the present application, including penetrates
Frequency connector 1, receives circuit, controlling and driving circuits 13, BOSA 8 and activity optical port 9 at transmit circuit.
From fig. 4, it can be seen that receiving circuit may include that the first broad band amplifier 3, first receives match circuit 7, second
Receive match circuit 6, third receives match circuit 4, receives power supply circuit 5 and the first microstrip line 2.Wherein, BOSA's 8
Transmitting terminal can length direction between radio frequency connector 1, first, which receives match circuit 7, second, receives match circuit 6, against the
The reception power supply circuit 5 of one microstrip line 2, third receive match circuit 4 and the first broad band amplifier 3 passes sequentially through the first micro-strip
Line 2 connects.Wherein, the first broad band amplifier is used to be lifted the gain of the electric signal received；First receives match circuit, second
It receives match circuit and third receives match circuit for carrying out impedance matching.Broad band amplifier in the application is for passing
The amplifier of the signal in defeated broadband, receiving match circuit is the broadband reception match circuit transmitted for realizing the signal in broadband,
Receiving power supply circuit is the power supply circuit for the signal transmission in broadband.Receiving power supply circuit 5 can be using broadband in parallel magnetic bead simultaneously
The scheme for joining capacitor to ground realizes broadband character.
In a kind of possible design, BOSA 8 reception pin length direction on, receive match circuit use according to
Secondary series resistance, parallel resistance to ground, the first microstrip line magnetic bead in parallel are connected with the mode of capacitor, PI shape attenuator of connecting, and are gone here and there
Joining PI shape attenuator can be realized by one resistance of two resistance in parallel and series connection.
Transmit circuit may include that the second broad band amplifier 14, first transmitting match circuit 12, second emits match circuit
10, launch power circuit 11 and the second microstrip line 2 '.It can length side between radio frequency connector 1 in the receiving end of BOSA 8
To the second broad band amplifier 14, first emits match circuit 12, second and emits match circuit 10 and abut the second microstrip line 2 '
Launch power circuit 11 pass sequentially through the second microstrip line 2 ' cascade.Second broad band amplifier 14 is for being lifted the telecommunications received
Number gain, the first transmitting match circuit 12 and two transmitting match circuits 10 are for carrying out impedance matching.Emitting match circuit is
For realizing the broadband emission match circuit that the signal in broadband transmits, launch power circuit is the power supply for the signal transmission in broadband
Circuit.Launch power circuit 11 can realize broadband character using the scheme of broadband magnetic bead shunt capacitance in parallel to ground.
In a kind of possible design, on the length direction of the transmitting pin of BOSA8, transmitting match circuit is using successively
The magnetic bead of second microstrip line in parallel is connected with the mode of capacitor, series resistance, PI shape attenuator of connecting, and series connection PI shape attenuator can
To be realized by one resistance of two resistance in parallel and series connection.
Above-mentioned microstrip line can be 50 ohm microstrips, and the loss of signal for transmitting broadband and flatness can be made minimum.
Using above-mentioned circuit design shown in Fig. 4, in order to realize that the broadband character of the application, radio frequency connector 1 connect as electric signal
Mouthful, RRU can be input in circuit with input electrical signal by radio frequency connector 1, by 50 ohm microstrips 2 ' that electric signal is defeated
Enter to the second broad band amplifier 14 and the electric signal after lifting gain is then passed through into the first transmitting to be lifted the gain of electric signal
Match circuit 12 and the second transmitting match circuit 10 carry out impedance matching, to improve the impedance matching of transmitting link.This is because
Radio frequency analog circuit major part impedance is 50 ohm, and the impedance of BOSA difference is farther out, therefore needs to carry out impedance matching and make mould
Quasi- signal is lost minimizes during transmission.Then, electric signal inputs BOSA 8, converts electric signal by BOSA 8
For optical signal, optical signal is sent by optical fiber by activity optical port 9.Wherein, launch power circuit 11 is in the second transmitting
Power supply is inputted between terminated line 10 and BOSA 8, and the distance between ohm microstrip 2 ' of launch power circuit 11 and 50 needs
Shorten as far as possible.
When BBU is input to the activity optical port 9 of simulation light delivery module by the optical signal that optical fiber is sent, optical signal passes through
BOSA 8 converts optical signals to electric signal, and similarly, in order to realize the matched well of port, electric signal needs to connect by first
Receive match circuit 7 carry out first order impedance matching, this first receive match circuit 7 can close to BOSA 8, then,
Electric signal receives match circuit 6 using second, third receives match circuit 4 and carries out second level impedance matching and third level impedance
Matching, receives power supply circuit 5 and receives match circuit 6 and third second and receive and input power supply between match circuit 4, here can be with
Shorten the cabling received between the ohm microstrip of power supply circuit 5 and 50 as much as possible.Then, after three-level impedance matching
Electric signal is lifted the gain of the electric signal by the first broad band amplifier 3, and the electric signal after being lifted gain is connected using radio frequency
Device 1 is input to RRU.
Above-mentioned radio frequency connector can be pluggable structure, as shown in figure 5, being easily installed and maintenance simulation optical transport mould
Block.Radio frequency connector includes plug 20 and socket 21, and one end of plug 20 is fixed by welding on printed circuit board 18, socket
21 one end is connect with RRU, and the other end and 21 interworking of socket are installed.The simulation light delivery module can also include shell, shell
Including upper cover plate 16 and lower cover plate 22, printed circuit board 18 is fixed between upper cover plate 16 and lower cover plate 22 by screw 19, under
46 exposed part of copper foil of cover board two sides and intermediate ledge 33 and 18 two sides of printed circuit board and centre releases, and can be formed
The effect of signal shielding and channel signal isolation, BOSA 8 are fixed by welding on the pad of printed circuit board 18, and BOSA8 is logical
Top briquetting 17 is crossed to be fixed in activity optical port 9.The simulation light delivery module has also been devised for improving electromagnetic compatibility characteristic
Skirt 15, and convenient for the Handle Bar 23 of extraction, the overall structure size which forms can be compatible with small-sized
Pluggable light signal receives and transmitter (Small form-factor pluggable transceiver plus, SFP+),
It can be with digital optical module cage interworking.Simulation optical module in the embodiment of the present application can be compatible with the schematic diagram of SPF+ structural member
It can be as shown in figure 17.
For the structure of above-mentioned plug 20, as shown in fig. 6, the pluggable part 24 of plug 20 can be divided into first can
Insertion/extraction portion 26 and the second pluggable part 27, the first pluggable part 26 are used for transmission radiofrequency signal, the second pluggable part
27 are used for transmission direct current signal, and the first pluggable part 26 uses micro coaxle structure, to guarantee broadband character.
Plug 20 further includes the first welding portion 25, as shown in fig. 7, the first welding portion 25 includes the first pluggable part
26 corresponding first welding portions 36, the second corresponding second welding portion 35 in pluggable part 27 and the first ground connection welding portion
34, the first ground connection welding portion 34 is welded on the end on printed circuit board length direction.
For the structure of above-mentioned socket 21, as shown in figure 8, the pluggable part 37 of socket 21 can be divided into third can
Insertion/extraction portion 39 and the 4th pluggable part 38, the pluggable part 39 of third are used for transmission radiofrequency signal, the 4th pluggable part
38 are used for transmission direct current signal, and the pluggable part 39 of third uses micro coaxle structure, to guarantee broadband character, so that the electricity in broadband
Signal passes through.
Socket 21 further includes the second welding portion 41, as shown in figure 9, the second welding portion 41 includes the pluggable part of third
39 corresponding third welding portions 43, the 4th corresponding 4th welding portion 43 in pluggable part 38 and the second ground connection welding portion
40, the second ground connection welding portion 40 is welded on the bottom of printed circuit board.
In order to allow socket 21 to carry out inserting and surface mount, the signal end inside socket 21 can carry out 90 degree curved
Folding, as shown in Figure 10.
Plug 20 and the pairing of socket 21 are used, the schematic diagram after installation can be as shown in figure 11.
For above-mentioned 8 part BOSA, as shown in figure 12, outside by transmitting pin 28, receive pin 29 and BOSA optical port
Electric signal may be implemented to optical signal in 30 compositions, and signal, Ke Yichuan are transmitted in the conversion of optical signal to electric signal, i.e. single fiber bi-directional
Defeated 1310nm (1260-1350nm), the signal of 1550nm (1470-1610nm) wavelength.
As shown in figure 13, above-mentioned 9 part of activity optical port, for connecting BOSA and fibre-optical splice, optical adapter interface is
LC/uPC, it is pluggable.Printed circuit board pads are inserted into BOSA transmitting pin gap (44) and are received in pin gap (45), carry out
It is welded and fixed.
As shown in figure 14, above-mentioned BOSA optical port 30 and printed circuit board can carry out floating mount design, i.e. design kidney-shaped
Screw hole and optical port gap, such as Figure 14, kidney-shaped screw hole (31) effect on printed circuit board: BOSA has one in process
Fixed dimensional tolerance has certain dislocation, this can be absorbed in the design of kidney-shaped screw hole after structural member and printed circuit board assembling
Dislocation, avoids constructive interference.Optical port and PCB may be implemented and X, Y when structural member assembles, Z-direction in activity optical port gap 32
Tolerance-absorbent, and guarantee the smooth plug and contraposition of optical connector and optical port.
Design with narrow-band analog optical module in the prior art compares, the simulation optical transport in the embodiment of the present application
Optical device cost and structural member in module is at low cost, convenient engineering installation.Radio frequency connector, broadband amplification in circuit design
The selection of device, match circuit and power supply circuit can realize high-gain and preferable flat in the frequency band in 6GHz
Degree, to the vector modulation error (Error Vector Magnitude, EVM) and signal-to-noise ratio (Signal To of entire link
Noise Ratio, SNR) it is beneficial.The test bandwidth comparison diagram that the embodiment of the present application tests bandwidth and the prior art can be as
Shown in Figure 15.
The technical solution that the application is used by broadband system, can realize the height of multiple frequency signals by a RRU
Capacity meets the big flow demand of the mobile data of hot zones.If Figure 16 is a RRU realizes four frequency signals
Capacity and the prior art realize the contrast schematic diagram of the capacity of single frequency signal.
Above-described specific embodiment has carried out further the purpose of the application, technical scheme and beneficial effects
It is described in detail, it should be understood that being not used to limit the application the foregoing is merely the specific embodiment of the application
Protection scope, all any modification, equivalent substitution, improvement and etc. on the basis of the technical solution of the application, done should all
Including within the scope of protection of this application.
Claims (8)
1. a kind of simulation light delivery module, which is characterized in that the simulation light delivery module includes radio frequency connector, transmitted in both directions
Optical signal receives and transmitting combiner BOSA, transmit circuit, reception circuit and printed circuit board；
The radio frequency connector is used for transmission electric signal and connects the printed circuit board and radio frequency remote unit RRU, the electricity
Signal is the electric signal in broadband；The radio frequency connector includes plug and socket；The plug include the first pluggable part and
Second pluggable part, the first pluggable part are used for transmission radiofrequency signal, and the second pluggable part is used for transmission
Direct current signal, the first pluggable part use micro coaxle structure；The plug further includes the first welding portion, and described first
Welding portion includes corresponding first welding portion in the described first pluggable part, the second pluggable part corresponding second
Welding portion and the first ground connection welding portion, the first ground connection welding portion are welded on the printed circuit board length direction
End；The socket includes the pluggable part of third and the 4th pluggable part, and the pluggable part of third is used for transmission
Radiofrequency signal, the 4th pluggable part are used for transmission direct current signal, and the pluggable part of third uses micro coaxle structure；
The socket further includes the second welding portion, and second welding portion includes the corresponding third weldering in the pluggable part of the third
Socket part point, corresponding 4th welding portion in the 4th pluggable part and the second ground connection welding portion, the second ground connection weldering
Socket part point is welded on the bottom of the printed circuit board；Wherein, the described first pluggable part and the pluggable part of the third
Interworking installation, the second pluggable part is with the 4th pluggable part to slotting connection, the second weld part of the socket
Divide and is connect with the RRU；
The BOSA for the electric signal to be converted to optical signal in single fiber, and the optical signal is converted to described
Electric signal, the optical signal are the optical signal in broadband；
The reception circuit is converted into the increasing of the electric signal after the electric signal for being lifted the BOSA for the optical signal
Benefit and the impedance matching for carrying out the electric signal；
The transmit circuit, for being lifted the gain of the electric signal received and carrying out the impedance matching of port；
The printed circuit board, for welding each device in the simulation light delivery module.
2. simulation light delivery module according to claim 1, which is characterized in that the BOSA includes transmitting pin, receives
Pin and BOSA optical port；
The transmitting pin is used to input the optical signal output after the electric signal conversion of the BOSA；The reception pin is used for
By the electric signal output after the optical signal conversion for inputting the BOSA；The BOSA optical port is for outputting and inputting optical signal, institute
It states transmitting pin and the reception pin and the printed circuit board welds.
3. -2 described in any item simulation light delivery modules according to claim 1, which is characterized in that the reception circuit includes the
One broad band amplifier, first receive match circuit, the second reception match circuit, third and receive match circuit, receive power supply circuit
And first microstrip line；
Wherein, the length direction between the transmitting terminal of the BOSA and the radio frequency connector, described first receives matching electricity
Road, described second receive match circuit, the reception power supply circuit against first microstrip line, the third and receive match circuit
And first broad band amplifier pass sequentially through first microstrip line connection；
First broad band amplifier is used to be lifted the gain of the electric signal received；Described first receives match circuit, described
Second reception match circuit and the third receive match circuit for carrying out impedance matching.
4. simulation light delivery module according to claim 3, which is characterized in that in the length of the reception pin of the BOSA
On direction, it is described receive match circuit using successively by resistance, parallel resistance to ground, parallel connection first microstrip line magnetic bead and
Capacitor, the concatenated mode of PI shape attenuator connect.
5. simulation light delivery module according to claim 4, which is characterized in that the transmit circuit includes that the second broadband is put
Big device 14, first emits match circuit 12, second and emits match circuit 10, launch power circuit 11 and the second microstrip line；
Length direction between the receiving end and the radio frequency connector of the BOSA, second broad band amplifier 14, institute
State the first transmitting match circuit 12, the second transmitting match circuit 10 and the launch power circuit 11 against the second microstrip line
Pass sequentially through the second microstrip line cascade；
Second broad band amplifier is used to be lifted the gain of the electric signal received, and described first emits match circuit and described
Two transmitting match circuits are for carrying out impedance matching.
6. simulation light delivery module according to claim 5, which is characterized in that in the length of the transmitting pin of the BOSA
On direction, the transmitting match circuit is using successively by the magnetic bead of second microstrip line in parallel and capacitor, resistance, the decaying of PI shape
The concatenated mode of device connects.
7. simulation light delivery module according to claim 6, which is characterized in that the simulation light delivery module further includes shell
Body, the shell include upper cover plate and lower cover plate；
The shell is used to form protection and the isolation of electromagnetic signal to the device on printed circuit board and the printed circuit board.
8. simulation light delivery module according to claim 7, which is characterized in that the simulation light delivery module further includes living
Dynamic optical port, the activity optical port are equipped with the groove for placing the BOSA, are reserved with gap, the activity between the groove
The briquetting of semi-circular recesses is equipped at the top of optical port, for fixing and compressing the BOSA, the activity optical port is connect with optical fiber, is used
Pass through the optical fiber output in the optical signal for receiving the optical fiber transmission and by optical signal.
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| CN201710116461.9A CN106899351B (en) | 2017-02-28 | 2017-02-28 | A kind of simulation light delivery module |
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| CN106899351B true CN106899351B (en) | 2019-11-29 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107659355A (en) * | 2017-09-15 | 2018-02-02 | 北京百卓网络技术有限公司 | optical port testing device |
| CN111541488B (en) * | 2020-04-19 | 2024-05-03 | 大连优欣光科技股份有限公司 | High-speed broadband microwave light emitting module |
| CN112543061B (en) * | 2020-11-02 | 2023-08-04 | 安徽光纤光缆传输技术研究所(中国电子科技集团公司第八研究所) | Transceiver integrated high-speed signal light transmission device and signal light transmission method |
| CN113219828B (en) * | 2021-04-22 | 2022-07-05 | 中国电子科技集团公司第二十九研究所 | Control method for gain consistency of multi-channel analog optical module |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2689604Y (en) * | 2003-08-01 | 2005-03-30 | 深圳飞通光电股份有限公司 | Single-fibre two-way transmit-receive module of CDMA optical fibre high-frequency amplifying station |
| CN101001119A (en) * | 2006-10-28 | 2007-07-18 | 沈红 | Analog two-way transmission optical module |
| CN101841371A (en) * | 2009-03-16 | 2010-09-22 | 北京东方信联科技有限公司 | Optical user business interface unit |
| CN202889350U (en) * | 2012-11-19 | 2013-04-17 | 湖北兴泽科技有限公司 | Ultra wide band (UWB) light distribution system |
| CN106324769A (en) * | 2015-06-18 | 2017-01-11 | 珠海思开达技术有限公司 | XFP-based hot pluggable analog optical receiving module |
-
2017
- 2017-02-28 CN CN201710116461.9A patent/CN106899351B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2689604Y (en) * | 2003-08-01 | 2005-03-30 | 深圳飞通光电股份有限公司 | Single-fibre two-way transmit-receive module of CDMA optical fibre high-frequency amplifying station |
| CN101001119A (en) * | 2006-10-28 | 2007-07-18 | 沈红 | Analog two-way transmission optical module |
| CN101841371A (en) * | 2009-03-16 | 2010-09-22 | 北京东方信联科技有限公司 | Optical user business interface unit |
| CN202889350U (en) * | 2012-11-19 | 2013-04-17 | 湖北兴泽科技有限公司 | Ultra wide band (UWB) light distribution system |
| CN106324769A (en) * | 2015-06-18 | 2017-01-11 | 珠海思开达技术有限公司 | XFP-based hot pluggable analog optical receiving module |
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