CN109120301A - A kind of tuner and method of transmitting and reception community network - Google Patents
A kind of tuner and method of transmitting and reception community network Download PDFInfo
- Publication number
- CN109120301A CN109120301A CN201810770088.3A CN201810770088A CN109120301A CN 109120301 A CN109120301 A CN 109120301A CN 201810770088 A CN201810770088 A CN 201810770088A CN 109120301 A CN109120301 A CN 109120301A
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- China
- Prior art keywords
- transmitting
- capacitor array
- side capacitor
- receiving
- balun
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Filters And Equalizers (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Abstract
The invention discloses the tuners and method of a kind of transmitting and reception community network, device includes balun, receives side capacitor array, transmitting side capacitor array, receiving radio frequency front end circuit and transmitting RF front-end circuit, the balun is connected with the input circuit for receiving side capacitor array, the balun is connected with the input terminal of transmitting side capacitor array, the output end for receiving side capacitor array is connect with the input terminal of receiving radio frequency front end circuit, and the input terminal of the transmitting side capacitor array is connect with the output end of transmitting RF front-end circuit.The present invention is respectively placed in reception and transmitting terminal independent control by receiving side capacitor array and transmitting side capacitor array, to the matching of input and output in tdd mode can be adjusted by capacitor array so that under respective mode best performance, the compromise of transmitting and receiving path in performance caused by only one group of capacitor array is avoided, the signal quality sended and received is effectively improved.It the composite can be widely applied to field of communication technology.
Description
Technical field
Tuner and side the present invention relates to field of communication technology more particularly to a kind of transmitting with reception community network
Method.
Background technique
In TDD terminal device, transceiver is integrated in same chip, and uplink and downlink works are total in same frequency, circuit
With being allowed to simplify, by under the driving for the requirements such as small in size, low in energy consumption, performance is excellent, integrated level is high so that system on chip side
The birth of case.
Currently, in tdd mode chip emission and receive in shared input and output network, only one group of capacitor array, because
Consider that the high power supply voltage of transmit circuit application, switch selection high-voltage MOS pipe are generally positioned at transmitting side, and receives side
Then not.Reception is different from the size of the metal-oxide-semiconductor of transmitting side, generally accesses mode different (grids or drain electrode from metal-oxide-semiconductor
Access).So, the impedance that the impedance that receiving port is seen under same frequency and emission port are seen into is different, if
Only it is difficult to take into account to emit by one group of capacitor array and is optimal simultaneously with received performance.
Summary of the invention
In order to solve the above-mentioned technical problem, the object of the present invention is to provide a kind of transmittings and the tuning dress for receiving community network
It sets and method.
The technical solution used in the present invention is:
A kind of tuner of transmitting and reception community network, including balun, reception side capacitor array, transmitting side capacitor battle array
Column, receiving radio frequency front end circuit and transmitting RF front-end circuit, the balun are connected with the input circuit for receiving side capacitor array
It connects, the balun is connected with the input terminal of transmitting side capacitor array, and the output end for receiving side capacitor array is penetrated with reception
The input terminal of frequency front-end circuit connects, and the input terminal of the transmitting side capacitor array and the output end of transmitting RF front-end circuit connect
It connects.
As the further improvement of a kind of transmitting and the tuner for receiving community network, the balun is by single-ended
Inductance and differential inductance coupling are constituted.
As the further improvement of a kind of transmitting and the tuner for receiving community network, reception side capacitor
Array includes the reception side capacitive branch of multi-channel parallel, each reception capacitor and reception side when capacitive branch includes receiving
Metal-oxide-semiconductor, described receive connect in capacitor with the emitter of metal-oxide-semiconductor when receiving.
As the further improvement of a kind of transmitting and the tuner for receiving community network, the transmitting side capacitor
Array includes the transmitting side capacitive branch of multi-channel parallel, and each transmitting side capacitive branch includes transmitting side capacitor and transmitting side
Metal-oxide-semiconductor, the transmitting side capacitor are connect with the emitter of transmitting side metal-oxide-semiconductor.
Another technical solution of the present invention is:
A kind of tuning methods using the tuner, including step of transmitting and receiving step；
The step of transmitting includes:
It closes and receives side capacitor array,
By the differential inductance of modulated transmitting signal emitted RF front-end circuit and transmitting side capacitor array and balun
Composed resonant network phase resonance turns single-ended inductor transmitting output finally by the differential inductance of balun；
The receiving step includes:
Transmitting side capacitor array is closed,
Reception radiofrequency signal turns differential inductance by the single-ended inductor of balun and changes into differential signal；
Differential signal by the differential inductance of balun and is received into resonant network phase resonance composed by the capacitor array of side, most
Demodulation process is completed by receiving radio frequency front end circuit afterwards.
The beneficial effects of the present invention are:
A kind of transmitting of the present invention is with the tuner and method for receiving community network by receiving side capacitor array and transmitting
Side capacitor array is respectively placed in reception and transmitting terminal independent control, thus when reception and transmitting work respectively in tdd mode, it is defeated
Enter output matching can by capacitor array adjust so that under respective mode best performance, avoid only one group of capacitor array institute
The compromise of caused transmitting and receiving path in performance, effectively improves the signal quality sended and received.
Detailed description of the invention
Fig. 1 is a kind of functional-block diagram of transmitting and the tuner for receiving community network of the present invention；
Fig. 2 is the circuit diagram of a kind of transmitting of the present invention with balun in the tuner of reception community network；
Fig. 3 is the schematic illustration of a kind of transmitting of the present invention with equivalent capacity in the tuner of reception community network；
Fig. 4 be a kind of transmitting of the present invention with receive community network tuner in conllinear the posting physically of transmitting and reception
The schematic illustration of raw capacitor；
Fig. 5 is that a kind of transmitting of the present invention itself is seen into transmitting side capacitor array in the tuner of reception community network
Capacitor schematic illustration；
Fig. 6 is to receive side capacitor array in a kind of transmitting of the present invention and the tuner of reception community network itself to see into
Capacitor schematic illustration；
Fig. 7 is that a kind of transmitting of the present invention and the principle of transmitting side capacitor array in the tuner of reception community network are illustrated
Figure；
Fig. 8 is that a kind of transmitting of the present invention and the principle of reception side capacitor array in the tuner of reception community network are illustrated
Figure.
Specific embodiment
Specific embodiments of the present invention will be further explained with reference to the accompanying drawing:
With reference to Fig. 1, the tuner of the present invention a kind of transmitting and reception community network, including balun, reception side capacitor battle array
Column, transmitting side capacitor array, receiving radio frequency front end circuit and transmitting RF front-end circuit, the balun and reception side capacitor array
Input circuit be connected, the balun is connected with the input terminal of transmitting side capacitor array, described to receive side capacitor array
Output end is connect with the input terminal of receiving radio frequency front end circuit, the input terminal and transmitting radio-frequency front-end of the transmitting side capacitor array
The output end of circuit connects.
With reference to Fig. 2, it is further used as preferred embodiment, the balun couples structure by single-ended inductor and differential inductance
At.The balun turns balancing circuitry as non-equilibrium, equivalent can be coupled at single-ended inductor and differential inductance, single-ended direct
The single-ended pin of access chip, differential ends connect chip interior, and value constitutes the inductance inductance value of resonance frequency.
It is further used as preferred embodiment, reception capacitor branch when capacitor array includes the reception of multi-channel parallel
Road, each reception capacitor and reception side metal-oxide-semiconductor when capacitive branch includes reception, reception MOS in capacitor and reception
The emitter of pipe connects.
It is further used as preferred embodiment, the transmitting side capacitor array includes the transmitting side capacitor branch of multi-channel parallel
Road, each transmitting side capacitive branch include transmitting side capacitor and transmitting side metal-oxide-semiconductor, the transmitting side capacitor and transmitting side MOS
The emitter of pipe connects.
In the embodiment of the present invention, LC (inductor-capacitor) resonant network.Its resonance frequency is
It is determined by the product of inductance inductance value and capacitor's capacity.
Inductance inductance value, the as inductance value of passive element, the equivalent of node and capacitor's capacity is then in parallel by all with inductance
Capacitor's capacity is determined.
With reference to Fig. 3, equivalent capacity includes fixed capacity and variable capacitance.Wherein fixed capacity includes as shown in Figure 4
Transmitting and the parasitic capacitance and transmitting as shown in Figure 5 and Figure 6 received on conllinear or receive circuit and held from metal-oxide-semiconductor itself
The capacitor that mouth is seen into, variable capacitance can pass through reception side capacitor array or transmitting side capacitor array as shown in Figure 7 and Figure 8
Capacitor adjusts.Therefore the frequency of entire resonant network can be adjusted by capacitor array.
In the present embodiment, the intensity of the maximum power of transmitting terminal output needs supply voltage usually big in several dBm or so
It is powered in the high power supply voltage of 2V to realize, and the input signal that receiving end receiving intensity is small, generally use low power supply 1V or so
Power voltage supply.Which results in capacitor arrays to use different supply voltages under respective port.So in respective capacitor battle array
Thick-bar high-voltage device can only be respectively adopted in column or thin gate low device is selected control.Capacitor array is equivalent to multi-gear adjustable
Capacitor parallel connection switchs branch conducting by metal-oxide-semiconductor and is controlled.Specifically, as shown in fig. 7, Ctr l<n:0>can be controlled respectively
Whether the grid of the road n+1 metal-oxide-semiconductor is connected with to control the branch so that it is determined that the number of conducting capacitor, has thus reached change
The purpose of capacitor.Fig. 8 is transmitting side capacitor array, and high voltage power supply is used to power, so controlled using thick-bar high-voltage device.
A kind of tuning methods using the tuner of the present invention, including step of transmitting and receiving step；
The step of transmitting includes:
It closes and receives side capacitor array,
By the differential inductance of modulated transmitting signal emitted RF front-end circuit and transmitting side capacitor array and balun
Composed resonant network phase resonance turns single-ended inductor transmitting output finally by the differential inductance of balun；
The receiving step includes:
Transmitting side capacitor array is closed,
Reception radiofrequency signal turns differential inductance by the single-ended inductor of balun and changes into differential signal；
Differential signal by the differential inductance of balun and is received into resonant network phase resonance composed by the capacitor array of side, most
Demodulation process is completed by receiving radio frequency front end circuit afterwards.
From the foregoing it can be that the present invention by receive side capacitor array and transmitting side capacitor array be respectively placed in reception and
Transmitting terminal independent control, so that input and output matching can pass through capacitor array when reception and transmitting work respectively in tdd mode
Adjust so that under respective mode best performance, avoid transmitting caused by only one group of capacitor array and receiving path in property
Compromise on energy effectively improves the signal quality sended and received.
It is to be illustrated to preferable implementation of the invention, but the invention is not limited to the implementation above
Example, those skilled in the art can also make various equivalent variations on the premise of without prejudice to spirit of the invention or replace
It changes, these equivalent deformations or replacement are all included in the scope defined by the claims of the present application.
Claims (5)
1. a kind of transmitting and the tuner for receiving community network, it is characterised in that: including balun, receive side capacitor array, hair
Side capacitor array, receiving radio frequency front end circuit and transmitting RF front-end circuit are penetrated, the balun is defeated with reception side capacitor array
Enter circuit to be connected, the balun is connected with the input terminal of transmitting side capacitor array, the output for receiving side capacitor array
End is connect with the input terminal of receiving radio frequency front end circuit, the input terminal and transmitting RF front-end circuit of the transmitting side capacitor array
Output end connection.
2. a kind of transmitting according to claim 1 and the tuner for receiving community network, it is characterised in that: the balun
It is made of single-ended inductor and differential inductance coupling.
3. a kind of transmitting according to claim 1 and the tuner for receiving community network, it is characterised in that: the reception
The capacitive branch when capacitor array includes the reception of multi-channel parallel, each described receive capacitor and connect when capacitive branch includes receiving
Side metal-oxide-semiconductor is received, described receive connect in capacitor with the emitter of metal-oxide-semiconductor when receiving.
4. a kind of transmitting according to claim 1 and the tuner for receiving community network, it is characterised in that: the transmitting
Side capacitor array includes the transmitting side capacitive branch of multi-channel parallel, and each transmitting side capacitive branch includes transmitting side capacitor and hair
Side metal-oxide-semiconductor is penetrated, the transmitting side capacitor is connect with the emitter of transmitting side metal-oxide-semiconductor.
5. a kind of tuning methods using tuner described in claim 1, which is characterized in that including step of transmitting and reception
Step；
The step of transmitting includes:
It closes and receives side capacitor array,
By the modulated emitted RF front-end circuit of transmitting signal and transmitting side capacitor array and the differential inductance of balun institute group
At resonant network phase resonance, finally by the differential inductance of balun turn single-ended inductor transmitting output；
The receiving step includes:
Transmitting side capacitor array is closed,
Reception radiofrequency signal turns differential inductance by the single-ended inductor of balun and changes into differential signal；
Differential signal by the differential inductance of balun and is received into resonant network phase resonance composed by the capacitor array of side, is finally led to
It crosses receiving radio frequency front end circuit and completes demodulation process.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810770088.3A CN109120301A (en) | 2018-07-13 | 2018-07-13 | A kind of tuner and method of transmitting and reception community network |
| PCT/CN2018/110008 WO2020010735A1 (en) | 2018-07-13 | 2018-10-12 | Tuning apparatus and method for transmitting and receiving shared network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810770088.3A CN109120301A (en) | 2018-07-13 | 2018-07-13 | A kind of tuner and method of transmitting and reception community network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109120301A true CN109120301A (en) | 2019-01-01 |
Family
ID=64862783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810770088.3A Pending CN109120301A (en) | 2018-07-13 | 2018-07-13 | A kind of tuner and method of transmitting and reception community network |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109120301A (en) |
| WO (1) | WO2020010735A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110572167A (en) * | 2019-09-09 | 2019-12-13 | 广州粒子微电子有限公司 | Radio frequency front end transmitting circuit, radio frequency front end receiving circuit and radio frequency front end circuit |
| CN110995310A (en) * | 2019-12-25 | 2020-04-10 | 上海晶曦微电子科技有限公司 | Radio frequency front-end circuit and control method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040102175A1 (en) * | 2002-11-27 | 2004-05-27 | Broadcom Corporation A, California Corporation | Radio frequency integrated circuit electo-static discharge circuit |
| CN102130703A (en) * | 2010-01-14 | 2011-07-20 | 瑞昱半导体股份有限公司 | Signal receiving circuit |
| CN103454654A (en) * | 2013-09-11 | 2013-12-18 | 中国电子科技集团公司第五十四研究所 | Configurable matching network used at satellite navigation radio frequency front end |
| CN105262496A (en) * | 2014-07-14 | 2016-01-20 | 联想(北京)有限公司 | RF Radio frequency transceiver, electronic device and method for adjusting work frequency band |
| CN108019199A (en) * | 2016-10-31 | 2018-05-11 | 北京环鼎科技有限责任公司 | A kind of radiating circuit for array induction |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012027703A2 (en) * | 2010-08-26 | 2012-03-01 | Wispry, Inc. | Tunable radio front end and methods |
-
2018
- 2018-07-13 CN CN201810770088.3A patent/CN109120301A/en active Pending
- 2018-10-12 WO PCT/CN2018/110008 patent/WO2020010735A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040102175A1 (en) * | 2002-11-27 | 2004-05-27 | Broadcom Corporation A, California Corporation | Radio frequency integrated circuit electo-static discharge circuit |
| CN102130703A (en) * | 2010-01-14 | 2011-07-20 | 瑞昱半导体股份有限公司 | Signal receiving circuit |
| CN103454654A (en) * | 2013-09-11 | 2013-12-18 | 中国电子科技集团公司第五十四研究所 | Configurable matching network used at satellite navigation radio frequency front end |
| CN105262496A (en) * | 2014-07-14 | 2016-01-20 | 联想(北京)有限公司 | RF Radio frequency transceiver, electronic device and method for adjusting work frequency band |
| CN108019199A (en) * | 2016-10-31 | 2018-05-11 | 北京环鼎科技有限责任公司 | A kind of radiating circuit for array induction |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110572167A (en) * | 2019-09-09 | 2019-12-13 | 广州粒子微电子有限公司 | Radio frequency front end transmitting circuit, radio frequency front end receiving circuit and radio frequency front end circuit |
| CN110995310A (en) * | 2019-12-25 | 2020-04-10 | 上海晶曦微电子科技有限公司 | Radio frequency front-end circuit and control method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020010735A1 (en) | 2020-01-16 |
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Application publication date: 20190101 |