CN205509995U - Optional dual output power amplification emission unit of wave band - Google Patents
Optional dual output power amplification emission unit of wave band Download PDFInfo
- Publication number
- CN205509995U CN205509995U CN201620339320.4U CN201620339320U CN205509995U CN 205509995 U CN205509995 U CN 205509995U CN 201620339320 U CN201620339320 U CN 201620339320U CN 205509995 U CN205509995 U CN 205509995U
- Authority
- CN
- China
- Prior art keywords
- switch
- output
- port
- multiplexer
- wave band
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Amplifiers (AREA)
Abstract
The utility model provides an optional dual output power amplification emission unit of wave band, include: the module is selected in waveband selection module, multiplexer, first switch and output, the waveband selection module is connected to through the multiplexer first switch, first switch with output selects the module to be connected. The utility model discloses a set up the waveband selection module at the front end to set up output in the rear end and select the module, can realize that working wavelength range goes on freely switching and selecting according to the actual demand, and can independently realize the output signal of one way or double - circuit according to the actual demand, can effectively reduce the system signal interference of other wave bands, simultaneously, the simple structure of realization, it is small, light in weight, on this basis, the switching that can reach the wave band through the hardware realization is quick effective, and output signal's switching is also quick effective, and whole work efficiency height makes optional dual output power amplification emission unit of wave band's stability can show and is improving.
Description
Technical field
This utility model relates to a kind of power amplifier, particularly relates to a kind of wave band optional doubleway output power amplification transmitter unit.
Background technology
Power amplifier is called for short power amplifier, is the important component part of various transmitting set.In the front stage circuits of transmitter, produced by modulation oscillator circuit, RF signal power is the least, need through a series of amplification one buffer stage, interstage amplifier section, final power amplifier stage, after obtaining enough radio-frequency powers, just can be fed to radiate on antenna, the application of this power amplifier is widely；But, in the most traditional power amplifier, its service band is fixing non-optional, easily other band system is interfered, and, the most traditional power amplifier, all use Single-end output, underaction in real system is applied, it is impossible to meet product design demand.
Summary of the invention
Technical problem to be solved in the utility model is to need to provide a kind of service band freely to control, and achieves the doubleway output power amplification transmitter unit of doubleway output.
To this, this utility model provides a kind of wave band optional doubleway output power amplification transmitter unit, including: waveband selection module, multiplexer, the first switch and output select module, described waveband selection module is connected to described first switch by multiplexer, and described first switch selects module to be connected with described output.
Further improvement of the utility model is, described output selects module to include power splitter, second switch, the 3rd switch and the 4th switch, described first switch is respectively connecting to described 3rd switch and the 4th switch by power splitter, and described first switch is respectively connecting to the 3rd switch and the 4th switch by second switch.
Further improvement of the utility model is, the first output port of described power splitter is connected to the first input port of described 3rd switch, and the second output port of described power splitter is connected to the first input port of described 4th switch；First output port of described second switch is connected to the second input port of described 3rd switch, and the second output port of described second switch is connected to the second input port of described 4th switch.
Further improvement of the utility model is, described waveband selection module is connected to the input port of described first switch by multiplexer, first output port of described first switch is connected to the input port of described power splitter, and the second output port of described first switch is connected to the input port of described second switch.
Further improvement of the utility model is, described first switch, second switch, the 3rd switch and the 4th switch are electrical switch.
Further improvement of the utility model is, described first switch, second switch, the 3rd switch and the 4th switch are either-or switch.
Further improvement of the utility model is, described waveband selection module include the 5th switch and at least two power amplifier, described 5th switch each output port all by one one to one power amplifier be connected to described multiplexer.
Further improvement of the utility model is, described multiplexer is that multiband synthesizes multiplexer.
Further improvement of the utility model is, described 5th switch is three elections switch.
Further improvement of the utility model is, first output port of described 5th switch is connected to the first input port of described multiband synthesis multiplexer by the first power amplifier, second output port of described 5th switch is connected to the second input port of described multiband synthesis multiplexer by the second power amplifier, and the 3rd output port of the 5th switch is connected to the 3rd input port of described multiband synthesis multiplexer by the 3rd power amplifier.
Compared with prior art, the beneficial effects of the utility model are: by arranging waveband selection module in front end, and output selection module is set in rear end, it is capable of service band to carry out according to the actual requirements freely switching and selecting, and can the most independently realize the output signal of single channel or two-way, it is possible to effectively reduce the system signal interference of its all band；Simultaneously, it is achieved simple in construction, volume is little, lightweight；On this basis, the switching realizing reaching wave band by hardware is quickly effective, and also the most effectively, whole work efficiency is high so that the stability of described wave band optional doubleway output power amplification transmitter unit significantly improves in the switching of output signal.
Accompanying drawing explanation
Fig. 1 is the system structure schematic diagram of a kind of embodiment of this utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawings, preferably embodiment of the present utility model is described in further detail.
As shown in Figure 1, this example provides a kind of doubleway output power amplification transmitter unit, including: waveband selection module, multiplexer, the first switch and output select module, and described waveband selection module is connected to described first switch by multiplexer, and described first switch selects module to be connected with described output.Wherein, described output selects module to be used for exporting double-channel output signal or single channel output signal, and described double-channel output signal includes first via output signal and the second tunnel output signal, and described single channel output signal includes first via output signal or the second tunnel output signal.
As shown in Figure 1, output described in this example selects module to include power splitter, second switch, the 3rd switch and the 4th switch, described first switch is respectively connecting to described 3rd switch and the 4th switch by power splitter, and described first switch is respectively connecting to the 3rd switch and the 4th switch by second switch.Particularly as follows: the first output port of described power splitter is connected to the first input port of described 3rd switch, the second output port of described power splitter is connected to the first input port of described 4th switch；First output port of described second switch is connected to the second input port of described 3rd switch, and the second output port of described second switch is connected to the second input port of described 4th switch.The wave filter of the fixed one group of non-superimposed of described multiplexer, these wave filter are not overlapped mutually in compound mode, and have high isolation degree between frequency range output.
In FIG, the input port of described power splitter is 1 port of power splitter, 2 ports that first output port is power splitter of power splitter described in 2 ports that first output port is power splitter of described power splitter, 3 ports that the second output port is power splitter of described power splitter；1 port that input port is the first switch of described first switch, 2 ports that the first output port is the first switch of described first switch, 3 ports that the second output port is the first switch of described first switch；The input port of described second switch is 1 port of second switch, 2 ports that the first output port is second switch of described second switch, 3 ports that the second output port is second switch of described second switch；1 port that output port is the 3rd switch of described 3rd switch, 2 ports that first input port is the 3rd switch of described 3rd switch, 3 ports that the second input port is the 3rd switch of described 3rd switch；1 port that output port is the 4th switch of described 4th switch, 2 ports that first input port is the 4th switch of described 4th switch, 3 ports that the second input port is the 4th switch of described 4th switch.
In the present embodiment, described first switch, second switch, the 3rd switch and the 4th switch are both preferably electrical switch, and, described first switch, second switch, the 3rd switch and the 4th switch are both preferably either-or switch, for realizing simple two-way signal output, i.e. it is used for exporting first via output signal and the second tunnel output signal.
Waveband selection module described in this example is connected to the input port of described first switch by multiplexer, first output port of described first switch is connected to the input port of described power splitter, and the second output port of described first switch is connected to the input port of described second switch.
The output selection work process of output selection module described in this example is: the first output port of described first switch realizes signal by the input port of power splitter and inputs, first output port of described power splitter realizes signal by the first input port of the 3rd switch and inputs, the output port output first via output signal of the 3rd switch；Second output port of described power splitter realizes signal by the first input port of the 4th switch and inputs, and the output port of the 4th switch exports the second tunnel output signal；Second output port of the first switch realizes signal by the input port of second switch and inputs, first output port of described second switch and the second output port realize signal output, first output port of described second switch realizes signal by the second input port of the 3rd switch and inputs, the output port output first via output signal of the 3rd switch；Second output port of described second switch realizes signal by the second input port of the 4th switch and inputs, and the output port of described 4th switch exports the second tunnel output signal.
As it is shown in figure 1, waveband selection module described in this example include the 5th switch and at least two power amplifier, described 5th switch each output port all by one one to one power amplifier be connected to described multiplexer；It is worth mentioning that, in actual applications, described 5th switch switchs for multiselect one, described multiplexer is that multiband synthesizes multiplexer, described power amplifier can be extended its quantity according to different-waveband, it is preferably, the output port of described 5th switch and the input port one_to_one corresponding of power amplifier one_to_one corresponding, power amplifier and multiplexer.
For the ease of describing and expressing, this example uses three kinds of service bands to describe specific embodiment, as shown in Figure 1, described 5th switch is three elections switch, first output port of described 5th switch is connected to the first input port of described multiband synthesis multiplexer by the first power amplifier, second output port of described 5th switch is connected to the second input port of described multiband synthesis multiplexer by the second power amplifier, and the 3rd output port of the 5th switch is connected to the 3rd input port of described multiband synthesis multiplexer by the 3rd power amplifier.
In FIG, 1 port that input port is the 5th switch of described 5th switch, 2 ports that first output port is the 5th switch of described 5th switch, 3 ports that the second output port is the 5th switch of described 5th switch, 4 ports that the 3rd output port is the 5th switch of described 5th switch；The output port of described multiplexer is 1 port of multiplexer, the first input port of described multiplexer is 2 ports of multiplexer, 3 ports that second input port is multiplexer of described multiplexer, 4 ports that 3rd input port is multiplexer of described multiplexer, first output port of described 5th switch is connected to the first input port of described multiplexer by the first power amplifier, by that analogy.
The waveband selection process of waveband selection module described in this example is: input signal realizes input through the input port of the 5th switch, the most respectively by the first output port of three elections switch, any one output port in second output port and the 3rd output port realizes output, and then by inputting the input port to described multiplexers with the three of this three elections switch power amplifiers that output port is connected one to one respectively, the input port of described multiplexer is connected one to one with the output port of described power amplifier, the output port output signal of described multiplexer realizes input by the input port of the first switch.
In Fig. 1, the operation principle of the first service band is: signal input is through 1 port input of the 5th switch, 5th switch realizes output by controlling its 2 port of selection, input is realized through the first power amplifier, first power amplifier output is through 2 port inputs of multiplexer, and 1 port of multiplexer realizes output.
The operation principle of the second service band is: signal input is through 1 port input of the 5th switch, 5th switch realizes output by controlling its 3 port of selection, input is realized through the second power amplifier, the output of the second power amplifier realizes input through 3 ports of multiplexer, and 1 port of multiplexer realizes output.
The operation principle of the 3rd service band: signal input is through 1 port input of the 5th switch, being exported by control selection its 4 port realization of 5th switch, input is realized through the 3rd power amplifier, the output of the 3rd power amplifier realizes input through 4 ports of multiplexer, and 1 port of multiplexer realizes output.
First via output signal and the second tunnel output signal realize the operation principle of both-end output: 1 port output of multiplexer is through 1 port input of the first switch, first switch realizes output by controlling its 2 port of selection, and inputted by 1 port through power splitter, 2 ports of power splitter and 3 ports of power splitter realize output simultaneously, the output of 2 ports of power splitter realizes input through 2 ports of the 3rd switch, 1 port output first via signal output of the 3rd switch.The output of 3 ports of power splitter realizes input through 2 ports of the 4th switch, and 1 port of the 4th switch exports the second tunnel output signal, and then the both-end achieving first via output signal and the second tunnel output signal exports simultaneously.
The single channel output services principle of first via output signal is: the output of 1 port of multiplexer realizes input through 1 port of the first switch, first switch is by controlling the 1 port input selecting the output of its 3 port through second switch, second switch exports by controlling its 2 port of selection, 2 port outputs of second switch realize input through 3 ports of the 3rd switch, 1 port output first via output signal of the 3rd switch, and then achieve the single channel output of first via output signal.
The single channel output services principle of the second tunnel output signal is: the output of 1 port of multiplexer realizes input through 1 port of the first switch, first switch is by controlling the 1 port input selecting the output of its 3 port through second switch, second switch exports by controlling its 3 port of selection, 3 port outputs of second switch realize input through 3 ports of the 4th switch, 1 port of the 4th switch exports the second tunnel output signal, and then achieves the single channel output of the second tunnel output signal.
This example by arranging waveband selection module in front end, and output selection module is set in rear end, it is capable of service band to carry out according to the actual requirements freely switching and selecting, and can the most independently realize the output signal of single channel or two-way, it is possible to effectively reduce the system signal interference of its all band；Simultaneously, it is achieved simple in construction, volume is little, lightweight；On this basis, the switching realizing reaching wave band by hardware is quickly effective, and also the most effectively, whole work efficiency is high so that the stability of described wave band optional doubleway output power amplification transmitter unit significantly improves in the switching of output signal.
The service band of the optional doubleway output power amplification transmitter unit of wave band described in this example can unrestricted choice, the output signal of outfan also can unrestricted choice；Described 5th switch can be multiselect one electrical switch of more than alternative, and described multiplexer can be the multiband synthesis multiplexer of more than two-way, and the power amplifier of described waveband selection module can require to increase according to wave band；Therefore, this example does not limit wave band, it is possible to meet different-waveband demand；Not power limitation, it is possible to meet different capacity demand；Not power limitation Amplifier type, it is possible to meet different capacity Amplifier type, such as AB class power amplifier, Doherty power amplifier, pre-distortion power amplifier, Feed Forward Power Amplifier or nonlinear power amplifier etc. can realize.
The optional doubleway output power amplification transmitter unit of wave band described in this example is referred to as multi-channel radio frequency and controls emission system.
Above content is to combine concrete preferred implementation further detailed description of the utility model, it is impossible to assert that of the present utility model being embodied as is confined to these explanations.For this utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, it is also possible to make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (10)
1. a wave band optional doubleway output power amplification transmitter unit, it is characterized in that, including: waveband selection module, multiplexer, the first switch and output select module, described waveband selection module is connected to described first switch by multiplexer, and described first switch selects module to be connected with described output.
Wave band the most according to claim 1 optional doubleway output power amplification transmitter unit, it is characterized in that, described output selects module to include power splitter, second switch, the 3rd switch and the 4th switch, described first switch is respectively connecting to described 3rd switch and the 4th switch by power splitter, and described first switch is respectively connecting to the 3rd switch and the 4th switch by second switch.
Wave band the most according to claim 2 optional doubleway output power amplification transmitter unit, it is characterized in that, first output port of described power splitter is connected to the first input port of described 3rd switch, and the second output port of described power splitter is connected to the first input port of described 4th switch；First output port of described second switch is connected to the second input port of described 3rd switch, and the second output port of described second switch is connected to the second input port of described 4th switch.
Wave band the most according to claim 3 optional doubleway output power amplification transmitter unit, it is characterized in that, described waveband selection module is connected to the input port of described first switch by multiplexer, first output port of described first switch is connected to the input port of described power splitter, and the second output port of described first switch is connected to the input port of described second switch.
5. according to the wave band optional doubleway output power amplification transmitter unit described in Claims 1-4 any one, it is characterised in that described first switch, second switch, the 3rd switch and the 4th switch are electrical switch.
6. according to the wave band optional doubleway output power amplification transmitter unit described in Claims 1-4 any one, it is characterised in that described first switch, second switch, the 3rd switch and the 4th switch are either-or switch.
7. according to the wave band optional doubleway output power amplification transmitter unit described in Claims 1-4 any one, it is characterized in that, described waveband selection module include the 5th switch and at least two power amplifier, described 5th switch each output port all by one one to one power amplifier be connected to described multiplexer.
Wave band the most according to claim 7 optional doubleway output power amplification transmitter unit, it is characterised in that described multiplexer is that multiband synthesizes multiplexer.
Wave band the most according to claim 8 optional doubleway output power amplification transmitter unit, it is characterised in that described 5th switch is three elections switch.
Wave band the most according to claim 9 optional doubleway output power amplification transmitter unit, it is characterized in that, first output port of described 5th switch is connected to the first input port of described multiband synthesis multiplexer by the first power amplifier, second output port of described 5th switch is connected to the second input port of described multiband synthesis multiplexer by the second power amplifier, and the 3rd output port of the 5th switch is connected to the 3rd input port of described multiband synthesis multiplexer by the 3rd power amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620339320.4U CN205509995U (en) | 2016-04-20 | 2016-04-20 | Optional dual output power amplification emission unit of wave band |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620339320.4U CN205509995U (en) | 2016-04-20 | 2016-04-20 | Optional dual output power amplification emission unit of wave band |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205509995U true CN205509995U (en) | 2016-08-24 |
Family
ID=56706164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620339320.4U Active CN205509995U (en) | 2016-04-20 | 2016-04-20 | Optional dual output power amplification emission unit of wave band |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205509995U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105811904A (en) * | 2016-04-20 | 2016-07-27 | 深圳市华乾科技有限公司 | Wave-band-selectable double-channel output-power amplifying emitting unit |
-
2016
- 2016-04-20 CN CN201620339320.4U patent/CN205509995U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105811904A (en) * | 2016-04-20 | 2016-07-27 | 深圳市华乾科技有限公司 | Wave-band-selectable double-channel output-power amplifying emitting unit |
| CN105811904B (en) * | 2016-04-20 | 2018-10-09 | 深圳市华乾科技有限公司 | A kind of optional doubleway output power amplification transmitter unit of wave band |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108011600B (en) | Reconfigurable radio frequency and microwave power amplifier | |
| CN109787569B (en) | Multimode multifrequency radio frequency power amplifier | |
| CN101174820B (en) | Matching circuit and multiband amplifier | |
| US7345534B2 (en) | Efficient power amplification system | |
| JP5563668B2 (en) | Front-end circuit | |
| CN101667810B (en) | Chip of double-frequency radio-frequency power amplifier circuit | |
| CN107124146A (en) | A kind of radio-frequency power amplifier | |
| CN108400774A (en) | A kind of balanced type radio-frequency power amplifier, chip and communication terminal | |
| CN105375968A (en) | Circuits and methods for 2g amplification using 3g/4g linear path combination | |
| CN102611393B (en) | Radio frequency power amplifier system having waveband switching function | |
| NO20092493L (en) | Loss-free transmission path in antenna switch circuit | |
| CN101714852A (en) | Double-frequency radio-frequency power amplifier circuit chip | |
| CN105490648A (en) | Multi-mode power amplifier and application thereof | |
| US11251818B2 (en) | Radio frequency front-end architecture | |
| EP3070840A1 (en) | Power amplifier and power amplification method | |
| CN109194291A (en) | A kind of one chip low-noise amplifier of the high-gain High Linear with bypass functionality | |
| CN105305985A (en) | Radio frequency amplification device | |
| CN205509995U (en) | Optional dual output power amplification emission unit of wave band | |
| CN104767019A (en) | Power distribution and combination machine based on ultra wide band coaxial impedance transformer | |
| CN102969989A (en) | Power synthesis device of radio frequency power amplifier | |
| CN110445471B (en) | Dual-band reconfigurable radio frequency power amplifier and control method thereof | |
| CN104270104A (en) | High-intermodulation power amplifier employing APD (Amplitude Probability Distribution) technology | |
| CN107241072A (en) | Power amplifier device and method | |
| CN103944623B (en) | A kind of active load modulation transmitter based on Space Coupling | |
| CN210469235U (en) | Dual-band reconfigurable radio frequency power amplifier |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |