CN207638650U - Integrated power amplifier module structure - Google Patents
Integrated power amplifier module structure Download PDFInfo
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- CN207638650U CN207638650U CN201721720147.3U CN201721720147U CN207638650U CN 207638650 U CN207638650 U CN 207638650U CN 201721720147 U CN201721720147 U CN 201721720147U CN 207638650 U CN207638650 U CN 207638650U
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- power amplifier
- amplifier module
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Abstract
The utility model is related to a kind of integrated power amplifier module structures, including：Multiplexer for connecting with antenna, the power amplifier module A being connect with multiplexer, the digiboard A being connect with power amplifier module A；The power amplifier module B being connect with the multiplexer, the digiboard B being connect with power amplifier module B；The power amplifier module A, power amplifier module B include the first link portions, the second link portions, third link portions；The power amplifier module A further includes the 4th link portions, and the power amplifier module B further includes the 5th link portions.The integrated power amplifier module structure of the utility model combines networking using power amplifier module A and power amplifier module B, support multiple standards, multiple frequency range mixed networking, three net Joint construction and sharings can be achieved, it can solve the significant wastage of repeated construction resource, the problems such as engineering construction is difficult, and output power, more places can be covered, it is low in energy consumption, it is at low cost.
Description
【Technical field】
The utility model is related to mobile communication technology field, more particularly, to a kind of support MIMO (multiple-input, multiple-output) technologies and
The steel tower High-efficiency integral power amplifier module structure of DPD (digital pre-distortion) corrections.
【Background technology】
China telecommunication market, always by movement, unicom, telecommunications Big Three in occupation of, with the market demand improve and
The fieriness of market competition, three big operators have to continue to increase infrastructure to adapt to the demand of the marketization.But early stage this
It kind does things in his own way, disorderly competition and repeated construction, causes the significant wastage to resource, overlapping investment outstanding problem, network money
Source utilization rate is generally relatively low.With the rapid development of technology, infrastructure of telecommunication Joint construction and sharing level is improved, the integration of three networks is must
Right trend.
As environmentally protective, low-carbon economy theory is rooted in the hearts of the people in global continuous promote, operator is for mobile communication
The efficiency of base station proposes higher and higher demand.And in base station equipment, the energy consumption of RF power amplification accounts for the 60% of total energy consumption
Left and right, therefore, high efficiency, inexpensive integrated power amplifier become the following mobile operator and cut operating costs, realize
The most effective means of green energy conservation.
Core component one of of the power amplifier module as wireless transceiver system, traditional A classes and AB classes power amplifier (rollback 10-
15dB) efficiency can only generally accomplish 10%-15% or so, and the power exported is small, cover place less, system power dissipation is big, body
Product is big, of high cost.
【Utility model content】
The purpose of the utility model is to overcome the deficiencies of above-mentioned technology, provide small one kind, output power, power consumption
Integrated power amplifier module structure low, at low cost.
A kind of integrated power amplifier module structure provided by the utility model, including：Multiplexer for connecting with antenna, with
The power amplifier module A of multiplexer connection, the digiboard A being connect with power amplifier module A；The power amplifier module B that is connect with the multiplexer, with
The digiboard B of power amplifier module B connections；The power amplifier module A, power amplifier module B include the first link portions, the second link portion
Divide, third link portions；The power amplifier module A further includes the 4th link portions, and the power amplifier module B further includes the 5th link portion
Point.
Further, first link portions include the first downlink and the first uplink；First downlink
Link includes sequentially connected first downlink port match circuit, the first voltage-controlled attenuator, the first prime power amplifier, first
Two-stage power amplifier, the first isolator, the first electric bridge, the first final power amplifier and first annular device；On described first
Line link includes the sequentially connected first primary low-noise amplifier, the first final stage low-noise amplifier, the filter of the first radio frequency sound table
Wave device and the first uplink port match circuit.
Further, first downlink further includes the first coupling being connect with first final power amplifier
Device, the first radio-frequency joint；The radiofrequency signal that first coupler is used to export first final power amplifier couples
It is respectively outputted to institute at first via radiofrequency signal and the second tunnel radiofrequency signal and by first via radiofrequency signal, the second tunnel radiofrequency signal
State the power detecting unit of the first radio-frequency joint, monitoring module, the DAC circuit company of first voltage-controlled attenuator and monitoring module
It connects.
Further, second link portions include the second downlink and the second uplink；Second downlink
The structure of link is identical as the structure of the first downlink of the first link portions, the structure of second uplink with
The structure of first uplink of first link portions is identical.
Further, the third link portions include third downlink, third uplink and are connected to third
Power switch circuit between downlink and third uplink, the third downlink include under sequentially connected third
Row port match circuit, third voltage-controlled attenuator, third prime power amplifier, third two-stage power amplifier, third isolation
Device, third primary electric bridge, third final power amplifier and third circulator；The third uplink includes sequentially connected
Third primary low-noise amplifier, third final stage low-noise amplifier, third radio frequency SAW filter and third uplink port
With circuit；The third circulator is connect by the first RF switch with the third primary low-noise amplifier.
Further, the third downlink further includes the third coupling being connect with the third final power amplifier
Device, the third final stage electric bridge being connect with third coupler and third radio-frequency joint, the third coupler are used for described the
The signal of three final power amplifiers output is coupled into third road road radiofrequency signal, and the third final stage electric bridge is used for described the
Three tunnel radiofrequency signals be divided into the first via output radiofrequency signal and the second tunnel output radiofrequency signal and by the first via export radiofrequency signal,
Second tunnel output radiofrequency signal is respectively outputted to the power detecting unit of the third radio-frequency joint, monitoring module, the third
The DAC circuit of voltage-controlled attenuator and monitoring module connects.
Further, the 4th link portions include the 4th downlink and the 4th uplink, the 4th downlink
Link includes sequentially connected 4th downlink port match circuit, the 4th voltage-controlled attenuator, the 4th filter, the 4th prime power
Amplifier, the 4th final power amplifier and fourth annular device, the 4th uplink include the sequentially connected 4th primary
Low-noise amplifier, the 4th final stage low-noise amplifier, the 4th radio frequency SAW filter and the 4th uplink port match circuit.
Further, the 4th downlink further includes the 4th coupling being connect with the 4th final power amplifier
Device, the 4th electric bridge and the second RF switch being connect with the 4th coupler, the 4th coupler are used for the 4th end
The signal of stage power amplifier output is coupled into the 4th tunnel radiofrequency signal, and the 4th electric bridge is used to believe the 4th road radio frequency
Number it is divided into third road output radiofrequency signal and the 4th tunnel output radiofrequency signal and third road is exported into radiofrequency signal through described second
RF switch is output to the third radio-frequency joint of the third link portions, the 4th tunnel output radiofrequency signal is output to monitoring mould
The DAC circuit of the power detecting unit of block, the 4th voltage-controlled attenuator and monitoring module connects.
Further, further include monitoring module A and monitoring module B, the monitoring module A and monitoring module B all include master
Control unit and power detecting unit, current detecting unit, temperature detecting unit, the DAC circuit being connect with main control unit.
Further, the power amplifier module A and monitoring module A are integrated on A pcb boards；The power amplifier module B and monitoring
Module B is integrated on B pcb boards.
The integrated power amplifier module structure of the utility model combines networking using power amplifier module A and power amplifier module B, including
2G, 3G, 4G multiple network, and support MIMO technology and DPD correction, support multiple standards, multiple frequency range mixed networking, it can be achieved that
Three net Joint construction and sharings can solve the significant wastage of repeated construction resource, the problems such as engineering construction is difficult.It is relatively traditional simultaneously
A classes and AB class power amplifiers are compared under same consumption conditions, the power of exportable bigger, cover more places；It is same in output
In the case of sample power, system power dissipation is greatly to reduce, more energy conservation and environmental protection, and radiator structure and appearance can be made more
Metal material that is small, can not only saving in this way, and installation space can be saved, construction cost is substantially reduced, is more easy to
User is allowed to be received.
【Description of the drawings】
Fig. 1 is a kind of schematic diagram for integrated power amplifier module structure that one embodiment of the utility model provides；
Fig. 2 is the schematic diagram of the monitoring module A, monitoring module B of integrated power amplifier module structure shown in Fig. 1；
Fig. 3 is the power amplifier module A of integrated power amplifier module structure, the first link portions of power amplifier module B shown in Fig. 1 and the
The schematic diagram of two link portions；
Fig. 4 is the third link portions of the power amplifier module A of integrated power amplifier module structure and the 4th link portion shown in Fig. 1
The schematic diagram divided；
Fig. 5 is the third link portions of the power amplifier module B of integrated power amplifier module structure and the 5th link portion shown in Fig. 1
The schematic diagram divided.
【Specific implementation mode】
The utility model will be further described with reference to the accompanying drawings and examples.
With reference to figure 1 and Fig. 2, a kind of integrated power amplifier module structure provided by the utility model, including：For with antenna
(MS) multiplexer 90 that connects, the power amplifier module A 10 being connect with multiplexer 90, the digiboard A being connect with power amplifier module A 10
70；The power amplifier module B 30 being connect with multiplexer 90, the digiboard B 80 being connect with power amplifier module B 30.Wherein, digiboard A
70 and digiboard B 80 is respectively used to be connected to corresponding optical fiber.Preferably, antenna is retransmitting antenna.
Power amplifier module A 10, power amplifier module B 30 include the first link portions 11, the second link portions 15, third link
Part 17.Power amplifier module A 10 further includes the 4th link portions 19, and power amplifier module B 30 further includes the 5th link portions 21.
First link portions 11 include the first downlink 111 and the first uplink 122.Second link portions 15 include
Second downlink 151 and the second uplink 152.Third link portions 17 include third downlink 171 and third uplink
Link 183.4th link portions 19 include the 4th downlink 191 and the 4th uplink 201.5th link portions 21 include
5th downlink 211 and the 5th uplink 218.
Each link portions of power amplifier module A 10 and power amplifier module B 30 all have uplink downlink.Power amplifier module A 10,
The downlink of 30 each link portions of power amplifier module B mainly amplifies base station signal and is received convenient for mobile phone, the downlink of Base Transmitter
Signal by front end machine couple carry out electro-optic conversion through fiber optic stretch to remote termination, then through digiboard A 70, digiboard B 80 into
Row processing and opto-electronic conversion, respectively enter corresponding power amplifier module A 10,30 each link portions of power amplifier module B downlink
Downlink amplification is carried out, most sends enlarged downlink signal to mobile phone through multiplexer 90 and retransmitting antenna afterwards.Enlarged letter
Number convenient for mobile phone receive.The uplink mainly amplification mobile phone signal of power amplifier module A10,30 each link portions of power amplifier module B
It is received convenient for base station, retransmitting antenna receives the signal that mobile phone is sent out, and is introduced into the filtering of multiplexer 90, then respectively enter power amplifier mould
The uplink progress uplink amplification of block A 10,30 each link portions of power amplifier module B, pass through corresponding digiboard A70, number
Plate B 80 carries out opto-electronic conversion, and through fiber optic stretch to near-end machine, it is that uplink signal is sent to base station to carry out opto-electronic conversion, to reach
To expanding, zoom out, optimize the purpose of mobile communication signal.
In the present embodiment, power amplifier module A 10 includes following 4 kinds of standard signal frequency ranges：Telecommunications LTE FDD2.1G, unicom
WCDMA2100, mobile TD-LTE (E frequency ranges), telecommunications CDMA800.Wherein, telecommunications LTE FDD2.1G, unicom WCDMA2100 this
Two frequency ranges correspond to the first link portions 11 and the second link portions 15 of power amplifier module A 10, the first chain of power amplifier module A 10
Telecommunications LTE2.1G MIMO technologies are supported as the second link portions 15 realization function in road part 11.Mobile TD-LTE (E frequencies
Section) this frequency range corresponds to the third link portions 17 of power amplifier module A 10, and this frequency range of telecommunications CDMA800 corresponds to power amplifier module A
10 the 4th link portions 19.
Power amplifier module B 30 includes following 6 kinds of standard signal frequency ranges：Mobile GSM1800, unicom DCS1.8G, telecommunications LTE
FDD1.8G, mobile TD-LTE (E frequency ranges), movement/unicom GSM900.Wherein, mobile GSM1800, unicom DCS1.8G, telecommunications
These three frequency ranges of LTE FDD1.8G correspond to the first link portions 11 and the second link portions 15 of power amplifier module B 30, power amplifier mould
The first link portions 11 of block B 30 support telecommunications LTE FDD1.8G MIMO skills as the second link portions 15 realization function
Art.Mobile TD-LTE (E frequency ranges) this frequency range corresponds to the third link portions 17 of power amplifier module B 30, movement/unicom GSM900
This frequency range corresponds to the 5th link portions 21 of power amplifier module B 30.
The utility model can be supported to support LTE signals by the way that power amplifier module A 10 and power amplifier module B 30 is combined networking
MIMO technology, including mobile GSM1800 supports MIMO；Unicom DCS1800/LTE FDD1.8G support LTE MIMO；Telecommunications
LTE FDD1.8G support LTE MIMO；Telecommunications LTE FDD2.1G support LTE MIMO；Unicom WCDMA2100 supports MIMO；
Mobile TD-LTE (E frequency ranges), supports LTE MIMO.Relatively traditional A classes and AB class power amplifiers is compared under same consumption conditions,
The power of exportable bigger covers more places；In the case where exporting same power, system power dissipation greatly for reduce, more
The energy conservation and environmental protection added, and radiator structure and appearance can be made smaller, the metal material that can not only save in this way, and can
Installation space is saved, construction cost is substantially reduced, is more easy to that user is allowed to be received.
Power amplifier module A10 and power amplifier module B30 is two independent power amplifier modules, it is possible to understand that ground, power amplifier module A10 and
Power amplifier module B30 also can be used alone.
The utility model further includes monitoring module A and monitoring module B.Monitoring module A is used to carry out power amplifier module A 10
Monitoring.Monitoring module B is for being monitored power amplifier module B 30.As shown in Fig. 2, monitoring module A and monitoring module B include
Main control unit 58 and the power detecting unit 51 being connect with main control unit 58, current detecting unit 52, temperature detecting unit 53,
DAC circuit 54, power interface 55, communication interface 56 and control interface 57.It is described in detail by taking monitoring module A as an example below,
The principle that monitoring module B is monitored is identical as monitoring module A, therefore details are not described herein.Monitoring module A includes：
Main control unit 58 is a MCU microprocessors, and MCU microprocessors are 32 microcontrollers (ATMEGA32).
DAC (DA conversion circuits, that is, digital signal is converted into the circuit of analog signal output) circuit 54 includes：a、
Grid voltage adjusts part, includes adjusting power tube grid voltage under room temperature so that its Performance optimization and according to power amplifier module A's 10
Temperature is modified compensation to the grid voltage of power amplifier module A 10；B, ALC (auto level control) power controls part, for controlling
The peak power output of the downlink of each link portions of power amplifier module A 10, mainly by controlling power amplifier module A 10
The voltage-controlled attenuators of downlink of each link portions realize the adjusting of output power；C, PA switching control sections are used
In the on off state of the downlink of each link portions of control power amplifier module A 10.
Power detecting unit 51 be used for the output power of the downlink of each link portions of power amplifier module A 10 into
Row forward direction detection.Power detecting unit 51 improves accuracy of detection using average detector.
Temperature detecting unit 53 is used to detect the temperature of power amplifier module A 10 and is sent to main control unit 58.Main control unit 58
According to the temperature value that temperature detecting unit 53 provides, to the output work of the downlink of each link portions of power amplifier module A 10
Rate controlling value is modified compensation.
Current detecting unit 52 is used to detect the electric current of power amplifier module A 10 and is sent to main control unit 58.Main control unit 58
According to current detecting unit 52 provide drain current value, come judge power amplifier module A 10 each link portions downlink
Power amplification circuit switch whether close, whether power amplifying device works normally.
Communication interface 56 is used for and PERCOM peripheral communication.Power interface 55 supplies power amplifier module structure with realizing for connecting power supply
Electricity.Control interface 57 is whole to power amplifier module A10 by external equipment to realize for being connect such as computer with external equipment
The control of body.
With reference to figure 3, power amplifier module A 10, power amplifier module B 30 the first link portions 11 include the first downlink 111
With the first uplink 201.
First downlink 111 includes sequentially connected first downlink port match circuit 112, the first voltage-controlled attenuator
113, the first prime power amplifier 114, the first two-stage power amplifier 115, the first isolator 116, the first electric bridge 117,
One final power amplifier 118 and first annular device 119.Input radio frequency signal is exported through the first downlink port match circuit 112,
Power primary amplification is carried out by first the 113 to the first prime power of voltage-controlled attenuator amplifier 114.First voltage-controlled attenuator
113 use MA4P7455 voltage-controlled attenuators, adjustable damping range to reach 30dB (decibel).First prime power amplifier 114 uses
BG13 amplifier tubes are output to the first two-stage power amplifier 115 after radiofrequency signal amplification and carry out power diode amplification.First two level
It is 728-2700M (million) that power amplifier 115 pushes pipe, operating frequency range using AFT27S010NT1, and (1dB compresses P1dB
Point refers to the performance parameter of output power) output power reach 40dBm (dBm), radiofrequency signal amplification after be output to first every
Divide for two paths of signals through the first electric bridge 117 after being isolated from device 116, be separately input to the first final power amplifier 118 into
Row power amplification.First final power amplifier 118 uses the two-tube power amplifications of A2718H100-25S or A2T21H100-25S
Pipe, i.e. on a tube, P1dB output powers reach 50dBm to two die packages, using reversed Doherty (Doherty) structure
Design is transoid Doherty structures, improves power amplification efficiency, is exported through first annular device 119 after radiofrequency signal amplification, the first ring
Shape device 119 uses 8G circulators.
First downlink 111 further includes the first coupler being connect with the first final power amplifier 118, the first radio frequency
Connector 121.First coupler is used to the radiofrequency signal that the first final power amplifier 118 exports being coupled into first via radio frequency letter
Number and the second tunnel radiofrequency signal and by first via radiofrequency signal, the second tunnel radiofrequency signal be respectively outputted to the first radio-frequency joint 121,
The power detecting unit 51 of monitoring module 50.First voltage-controlled attenuator 113 is connect with the DAC circuit 54 of monitoring module 50.Power
Detection unit 51 is used to carry out positive detection to the second tunnel radiofrequency signal.Direct current signal after detection divides two-way：It is transported to all the way
Main control unit 58 realizes that forward power detection, another way are then fed back to through DAC circuit 54 on the first voltage-controlled attenuator 113, realizes
The ALC of first downlink 111 is controlled.
First radio-frequency joint 121 of the first link portions 11 of power amplifier module A 10 can pass through cable connection to digiboard A
70, thus it is output to digiboard A after the first via radiofrequency signal of the first coupler coupling is output to the first radio-frequency joint 121
70 be DPD correction use, to realize power amplifier module A 10 the first link portions 11 output signal DPD correction.
First radio-frequency joint 121 of the first link portions 11 of power amplifier module B 30 can pass through cable connection to digiboard B
80, thus it is output to digiboard B after the first via radiofrequency signal of the first coupler coupling is output to the first radio-frequency joint 121
80 be DPD correction use, to realize power amplifier module B 30 the first link portions 11 output signal DPD correction.
Power amplifier module A 10, power amplifier module B the first uplink 122 include that the sequentially connected first primary low noise is put
Big device 123, the first final stage low-noise amplifier 124, the first radio frequency SAW filter 125 and the first uplink port match circuit
126.Radiofrequency signal is output to the second final stage low noise after the first primary low-noise amplifier 123 carries out primary low noise amplification
Amplifier 124 carries out final stage low noise amplification, and the first primary low-noise amplifier 123 uses the low noise amplification of MGA-6 series
Pipe, noise is smaller, and noise coefficient is in 0.5dB or so, and small, matching is simple, and gain is in 2GHz (girz), frequency range 18dB
Left and right, the second final stage low-noise amplifier 124 use AG50 low noise amplification pipes, have the small performance stabilization of electric current, matching simple
The features such as.Second final stage low-noise amplifier 124 output signal through the first radio frequency SAW filter 125 filtering after by first on
Row port match circuit 126 is exported.First radio frequency SAW filter 125 uses 2.11G filters, has small, slotting
Damage the features such as low, Out-of-band rejection is good.
Second link portions 15 include the second downlink 151 and the second uplink 152.Second downlink 151
Structure is identical as the structure of the first downlink 111 of the first link portions 11, structure and the first chain of the second uplink 152
The structure of first uplink 122 of road part 11 is identical, and which is not described herein again.
With reference to figure 4, the third link portions 17 of power amplifier module A 10 include third downlink 171, third uplink
183 and the power switch circuit that is connected between third downlink 171 and third uplink 183.
Third downlink 171 includes sequentially connected third downlink port match circuit 172, third voltage-controlled attenuator
173, third prime power amplifier 174, third two-stage power amplifier 175, third isolator 176, third primary electric bridge
177, third final power amplifier 178 and third circulator 179.
Wherein, third downlink port match circuit 172, third voltage-controlled attenuator 173, third prime power amplifier 174,
Third two-stage power amplifier 175, third isolator 176, third primary electric bridge 177 respectively with the first downlink port match circuit
112, the first voltage-controlled attenuator 113, the first prime power amplifier 114, the first two-stage power amplifier 115, the first isolator
116, the first electric bridge 117 is identical device, and which is not described herein again.Third circulator 179 is penetrated using 2.345G circulators
Frequency signal exports.
Third final power amplifier 178 is used to carry out final power amplification to radiofrequency signal.Third final power amplifies
Device 178 is made of two A2T27S020N power amplifier tubes, two A2T27S020N power amplifier tubes form one it is traditional
Doherty structural circuits, to improve the efficiency of final power amplification.
Third downlink 171 further includes the third coupler being connect with third final power amplifier 178 and third coupling
The third final stage electric bridge 181 and third radio-frequency joint 182 of clutch connection.Third coupler is for amplifying third final power
The signal that device 178 exports is coupled into third road road radiofrequency signal, and third final stage electric bridge 181 is for third road radiofrequency signal to be divided into
The first via exports radiofrequency signal and the second tunnel output radiofrequency signal and the first via is exported radiofrequency signal, the second tunnel output radio frequency letter
Number it is respectively outputted to the power detecting unit 51 of third radio-frequency joint 182, monitoring module 50.Third voltage-controlled attenuator 173 and prison
The DAC circuit 54 for controlling module 50 connects.Power detecting unit 51 is used to carry out positive detection to the second tunnel radiofrequency signal.After detection
Direct current signal divide two-way：It is transported to main control unit 58 all the way and realizes that forward power detection, another way are then fed back through DAC circuit 54
Onto third voltage-controlled attenuator 173, the ALC controls of third downlink 171 are realized.
The third radio-frequency joint 182 of the third link portions 17 of power amplifier module A 10 can pass through cable connection to digiboard A
70, thus it is output to number after the first via output radiofrequency signal of third coupler coupling is output to third radio-frequency joint 182
Letter stencil A 70 be DPD correction use, to realize power amplifier module A 10 third link portions 17 output signal DPD correction.
The third uplink 183 of power amplifier module A 10 includes sequentially connected third primary low-noise amplifier 184, the
Three final stage low-noise amplifiers 185, third radio frequency SAW filter 186 and third uplink port match circuit 187.Third is primary
Low-noise amplifier 184, third uplink port match circuit 187 respectively with the first primary low-noise amplifier 123, the first uplink
Port match circuit 126 is identical device, and which is not described herein again.Third final stage low-noise amplifier 185 uses BG8C low noises
Sound amplifier tube is used to carry out low noise amplification to the radiofrequency signal of input.Third radio frequency SAW filter 186 is filtered using 2.345G
Wave device is for being filtered the radiofrequency signal of input.
Third circulator 179 is connect by the first RF switch 188 with third primary low-noise amplifier 184.Third chain
Road part 17 belongs to time-division system, the first RF switch 188 and power switch circuit together, for switching third downlink
171 and third uplink 183 working condition, increase third downlink 171 and the isolation of third uplink 183.
The 4th link portions 19 of power amplifier module A 10 include the 4th downlink 191 and the 4th uplink 201.
4th downlink 191 includes sequentially connected 4th downlink port match circuit 192, the 4th voltage-controlled attenuator
193, the 4th filter 194, the 4th prime power amplifier 195, the 4th final power amplifier 196 and fourth annular device 197.
Wherein, the 4th downlink port match circuit 192, the 4th voltage-controlled attenuator 193 respectively with third downlink port match circuit 172,
Third voltage-controlled attenuator 173 is identical device, and which is not described herein again.4th filter 194 is using 800M filters to input
Radiofrequency signal be filtered.4th prime power amplifier 195 uses 65162 power amplifier tubes, for the radio frequency to input
Signal carries out prime power amplification.4th final power amplifier 196 use A2T27S020N single tube power amplifier tubes, for pair
The radiofrequency signal of input carries out power amplification.Fourth annular device 197 carries out radiofrequency signal output using 800M circulators.
4th downlink 191 further includes the 4th coupler being connect with the 4th final power amplifier 196 and the 4th coupling
The 4th electric bridge 199 and the second RF switch 200 of clutch connection.4th coupler is used for the 4th final power amplifier
The signal of 196 outputs is coupled into the 4th tunnel radiofrequency signal.4th electric bridge 199 is used to the 4th tunnel radiofrequency signal being divided into third road defeated
Go out radiofrequency signal and the 4th tunnel output radiofrequency signal and third road is exported into radiofrequency signal and is output to the through the second RF switch 200
The third radio-frequency joint 182 of three link portions 17, the power detection that the 4th tunnel output radiofrequency signal is output to monitoring module 50
Unit 51.4th voltage-controlled attenuator 193 is connect with the DAC circuit 54 of monitoring module 50.Power detecting unit 51 is used for the 4th
Road radiofrequency signal carries out positive detection.Direct current signal after detection divides two-way：It is transported to main control unit 58 all the way and realizes positive work(
Rate detects, and another way is then fed back to through DAC circuit 54 on the 4th voltage-controlled attenuator 193, realizes the ALC of the 4th downlink 191
Control.
The 4th link portions 19 of power amplifier module A 10 are by third radio-frequency joint 182 through cable connection to digiboard A
10, thus it is output to number after the third road output radiofrequency signal of the 4th coupler coupling is output to third radio-frequency joint 182
Letter stencil A 70 be DPD correction use, to realize power amplifier module A 10 the 4th link portions 19 output signal DPD correction.
The 4th uplink 201 of power amplifier module A 10 includes the sequentially connected 4th primary low-noise amplifier 202, the
Four final stage low-noise amplifiers 203, the 4th radio frequency SAW filter 204 and the 4th uplink port match circuit 205.Wherein,
Four primary low-noise amplifiers 202, the 4th uplink port match circuit 205 respectively with third primary low-noise amplifier 184, the
Three uplink port match circuits 187 are identical device, and which is not described herein again.4th final stage low-noise amplifier 203 uses
F235 low noise amplification pipes carry out low noise amplification for the radiofrequency signal to input.4th radio frequency SAW filter 204 uses
2.11G filters are filtered for the radiofrequency signal to input.
With reference to figure 5,17 phase of third link portions of the third link portions 17 and power amplifier module A 10 of power amplifier module B 30
Together, which is not described herein again.Wherein, the third radio-frequency joint 182 of the third link portions 17 of power amplifier module B 30 can pass through cable
It is connected to digiboard B 80, thus the first via output radiofrequency signal through the coupling of third coupler is output to third radio-frequency joint
Be output to after 182 digiboard B 80 be DPD correction use, to realize power amplifier module B 30 third link portions 17 output
The DPD of signal is corrected.
The 5th link portions 21 of power amplifier module B 30 include the 5th downlink 211 and the 5th uplink 218.
5th downlink 211 includes sequentially connected 5th downlink port match circuit 212, the 5th voltage-controlled attenuator
213, the 5th filter 214, the 5th prime power amplifier 215, the 5th final power amplifier 216 and the 5th circulator 217.
Wherein, the 5th downlink port match circuit 212, the 5th voltage-controlled attenuator 213, the 5th prime power amplifier 215, the 5th final stage
Power amplifier 216 difference, the 5th circulator 217 respectively with the 4th downlink port match circuit 192, the 4th voltage-controlled attenuator
193, the 4th prime power amplifier 195, the 4th final power amplifier 196, fourth annular device 197 are identical device, this
In repeat no more.5th filter 214 uses 900M filters, is filtered for the radiofrequency signal to input.
5th downlink 211 further includes the 5th coupler being connect with the 5th final power amplifier 216 and the 5th coupling
The 5th electric bridge 223 and third RF switch 224 of clutch connection.5th coupler, the 5th electric bridge 223, third RF switch
224 be respectively identical device with the 4th coupler, the 4th electric bridge 199, the second RF switch 200, and which is not described herein again.Third
RF switch 224 is connect with the third radio-frequency joint 182 of the third link portions 17 of power amplifier module B 30.
5th uplink 218 is put including the sequentially connected 5th primary low-noise amplifier 219, the 5th final stage low noise
Big device 220, the 5th radio frequency SAW filter 221 and the 5th uplink port match circuit 222.Wherein, the 5th primary low noise is put
Big device 219, the 5th final stage low-noise amplifier 220, the 5th radio frequency SAW filter 221, the 5th uplink port match circuit 222
Respectively with the 4th primary low-noise amplifier 203, the 4th final stage low-noise amplifier 203, the 4th radio frequency SAW filter 204,
4th uplink port match circuit 205 is identical device, and which is not described herein again.
To sum up, power amplifier module A 10 and power amplifier module B 30 all the first link portions 11, the second link portions 15, third chain
Road part 17, and in the 4th link portions 19 of power amplifier module A 10 and the 5th link portions 21 of power amplifier module B 30, only
The device that 4th filter 194 and the 5th filter 213 use differs, thus the type of adoptable device is greatly reduced,
Warehousing pressure and cost can be greatly lowered.
In the present embodiment, power amplifier module A 10 and monitoring module A are integrated on A pcb boards.Power amplifier module B30 and monitoring mould
Block B is integrated on B pcb boards.
A pcb boards and B pcb boards are all made of four laminates：Plank uses the (U.S.'s Ross outstanding person's import planks of Rogers 4350
One kind) with a kind of FR-4 (being code name of flame resistant material grade) plank mixing laminated combinations, the one or two laminate timber-used Rogers
4350, other layers are FR-4 planks；Total plate thickness 1.6mm.
First layer (top layer) microwave panel, copper thickness 0.035mm are mainly used for the master of radio frequency wiring and control circuit
It connects up；The second layer is stratum, copper thickness 0.035mm；Third layer is bus plane, is mainly used for the wiring of power supply；4th
Layer is earth plate, is mainly used for the wiring that portion radio frequency circuit controls detection circuit with part.
In order to prevent link self-excitation, prevent digital circuit between radio frequency link interference and each link radio frequency signals it is mutual
Interference, entire pcb board is divided into the three parts such as big signal, small signal and control in terms of layout, and totally 29 cavitys are isolated to increase
Degree, 29 cavitys all can individual screen wirings.
It is the downlink port match circuit of 10 each downlinks of power amplifier module A in first cavity of downlink of A pcb boards,
It is the voltage-controlled attenuator of 10 each downlinks of power amplifier module A and prime power amplifier and monitoring module A in second cavity
DAC circuit 54 ALC power controls part, (pushed for the two level of 10 each downlinks of power amplifier module A in third cavity
Grade) power amplifier, the 4th interior final power amplifier for 10 each downlinks of power amplifier module A of cavity, the 5th cavity
The interior circulator or isolator for including 10 each downlinks of power amplifier module A, the 6th interior power for monitoring module A of cavity are examined
Survey unit 51.10 each uplinks of power amplifier module A are entirely included in a cavity.The layout of each cavity of B pcb boards with
The layout of each cavity of A pcb boards is consistent, and which is not described herein again.
The first link portions 11, the 4th link portions 19 of power amplifier module A 10 are laid out respectively up and down the two of A pcb boards
Side, the first link portions 11, the 5th link portions 21 of power amplifier module B 30 are laid out respectively in the both sides up and down of B pcb boards, work(
Amplification module A10, power amplifier module B30 the two links between be located remotely from each other as possible, improve the isolation between two links as possible,
To prevent the 4th link portions 19, the downlink of the 5th link portions 21 of power amplifier module B30 2 ranks of output of power amplifier module A10 mutual
Signal is adjusted to fall in the band of the first uplink 122 of the first link portions 11 of corresponding power amplifier module A10, power amplifier module
In the band of first uplink 122 of the first link portions 11 of B30, to the first link portions 11 of power amplifier module A10,
The uplink signal of the first link portions 11 of power amplifier module B forms interference.
Above example only expresses preferred embodiments of the present invention, the description thereof is more specific and detailed, but simultaneously
Cannot the limitation to the utility model patent range therefore be interpreted as.It should be pointed out that for the ordinary skill of this field
For personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, such as to each implementation
Different characteristic in example is combined, these belong to the scope of protection of the utility model.
Claims (10)
1. a kind of integration power amplifier module structure, it is characterised in that：Including：
Multiplexer for connecting with antenna, the power amplifier module A being connect with multiplexer, the digiboard A being connect with power amplifier module A；
The power amplifier module B being connect with the multiplexer, the digiboard B being connect with power amplifier module B；
The power amplifier module A, power amplifier module B include the first link portions, the second link portions, third link portions；It is described
Power amplifier module A further includes the 4th link portions, and the power amplifier module B further includes the 5th link portions.
2. integration power amplifier module structure according to claim 1, it is characterised in that：First link portions include the
One downlink and the first uplink；First downlink include sequentially connected first downlink port match circuit,
First voltage-controlled attenuator, the first prime power amplifier, the first two-stage power amplifier, the first isolator, the first electric bridge, first
Final power amplifier and first annular device；First uplink includes the sequentially connected first primary low noise amplification
Device, the first final stage low-noise amplifier, the first radio frequency SAW filter and the first uplink port match circuit.
3. integration power amplifier module structure according to claim 2, it is characterised in that：First downlink further includes
The first coupler, the first radio-frequency joint being connect with first final power amplifier；First coupler is used for institute
The radiofrequency signal for stating the output of the first final power amplifier is coupled into first via radiofrequency signal and the second tunnel radiofrequency signal and by the
Radiofrequency signal, the second tunnel radiofrequency signal are respectively outputted to the power detecting unit of first radio-frequency joint, monitoring module all the way,
The DAC circuit of first voltage-controlled attenuator and monitoring module connects.
4. integration power amplifier module structure according to claim 1, it is characterised in that：Second link portions include the
Two downlinks and the second uplink；First downlink chain of the structure of second downlink and first link portions
The structure on road is identical, the structure phase of the structure of second uplink and the first uplink of first link portions
Together.
5. integration power amplifier module structure according to claim 1, it is characterised in that：The third link portions include the
Three downlinks, third uplink and the power switch electricity being connected between third downlink and third uplink
Road, the third downlink include sequentially connected third downlink port match circuit, third voltage-controlled attenuator, third primary
Power amplifier, third two-stage power amplifier, third isolator, third primary electric bridge, third final power amplifier and
Three circulators；The third uplink includes that sequentially connected third primary low-noise amplifier, third final stage low noise are put
Big device, third radio frequency SAW filter and third uplink port match circuit；The third circulator passes through the first RF switch
It is connect with the third primary low-noise amplifier.
6. integration power amplifier module structure according to claim 5, it is characterised in that：The third downlink further includes
The third coupler being connect with the third final power amplifier, the third final stage electric bridge and being connect with third coupler
Three radio-frequency joints, the third coupler are penetrated for the signal that the third final power amplifier exports to be coupled into third road
Frequency signal, the third final stage electric bridge are used to third road radiofrequency signal being divided into first via output radiofrequency signal and the second tunnel
First via output radiofrequency signal, the second tunnel output radiofrequency signal are simultaneously respectively outputted to the third radio frequency and connect by output radiofrequency signal
The DAC circuit of the power detecting unit of head, monitoring module, the third voltage-controlled attenuator and monitoring module connects.
7. integration power amplifier module structure according to claim 1, it is characterised in that：4th link portions include the
Four downlinks and the 4th uplink, the 4th downlink include sequentially connected 4th downlink port match circuit,
4th voltage-controlled attenuator, the 4th filter, the 4th prime power amplifier, the 4th final power amplifier and fourth annular device,
4th uplink includes the sequentially connected 4th primary low-noise amplifier, the 4th final stage low-noise amplifier, the 4th
Radio frequency SAW filter and the 4th uplink port match circuit.
8. integration power amplifier module structure according to claim 7, it is characterised in that：4th downlink further includes
The 4th coupler that is connect with the 4th final power amplifier, the 4th electric bridge being connect with the 4th coupler and second are penetrated
Frequency switchs, and the 4th coupler is used to the signal that the 4th final power amplifier exports being coupled into the 4th road radio frequency letter
Number, the 4th electric bridge is used to the 4th tunnel radiofrequency signal being divided into third road output radiofrequency signal and the 4th tunnel exports radio frequency
Signal and the third radio frequency that third road output radiofrequency signal is output to the third link portions through second RF switch
Connector, the power detecting unit that the 4th tunnel output radiofrequency signal is output to monitoring module, the 4th voltage-controlled attenuator and prison
Control the DAC circuit connection of module.
9. integration power amplifier module structure according to claim 1, it is characterised in that：Further include monitoring module A and monitoring
Module B, the monitoring module A and monitoring module B all include main control unit and connect with main control unit power detecting unit,
Current detecting unit, temperature detecting unit, DAC circuit.
10. integration power amplifier module structure according to claim 9, it is characterised in that：The power amplifier module A and monitoring mould
Block A is integrated on A pcb boards；The power amplifier module B and monitoring module B are integrated on BPCB plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721720147.3U CN207638650U (en) | 2017-12-11 | 2017-12-11 | Integrated power amplifier module structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721720147.3U CN207638650U (en) | 2017-12-11 | 2017-12-11 | Integrated power amplifier module structure |
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| Publication Number | Publication Date |
|---|---|
| CN207638650U true CN207638650U (en) | 2018-07-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109408974A (en) * | 2018-10-30 | 2019-03-01 | 中国电子科技集团公司第十三研究所 | Power device preparation method |
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2017
- 2017-12-11 CN CN201721720147.3U patent/CN207638650U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109408974A (en) * | 2018-10-30 | 2019-03-01 | 中国电子科技集团公司第十三研究所 | Power device preparation method |
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