CN108566216A - Radio frequency reconstructs formula dual channel receiver component - Google Patents
Radio frequency reconstructs formula dual channel receiver component Download PDFInfo
- Publication number
- CN108566216A CN108566216A CN201810218608.XA CN201810218608A CN108566216A CN 108566216 A CN108566216 A CN 108566216A CN 201810218608 A CN201810218608 A CN 201810218608A CN 108566216 A CN108566216 A CN 108566216A
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- Prior art keywords
- pass switch
- signal
- plate
- processing module
- switch
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Classifications
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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
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
-
- 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
- H04B1/06—Receivers
- H04B1/16—Circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
- H04B17/21—Monitoring; Testing of receivers for calibration; for correcting measurements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The present invention relates to radio frequencies to reconstruct formula dual channel receiver component, including amplification channel plate, control panel, communication interface plate, power supply processing module and signal processing module are just provided in control panel, power supply processing module respectively with power supply, it is put into channel plate, detection plate is connected, communication interface plate successively with signal processing module, amplification channel plate is connected to form control circuit, amplification channel plate successively with detection plate, signal processing module, communication interface plate is connected to form state, faulty line, the signal line one of port A to port C is provided in the amplification channel plate, signal line two from port B to port D, calibrate circuit.The advantageous effect that the present invention reaches is：It is reconstructed into design core with radio frequency, realizes that the big amount of gain reduces by bypassing amplifier, finally can improve sensitivity 20dB or more under receiving unit low gain state.
Description
Technical field
The present invention relates to wireless communication technique field, especially radio frequencies to reconstruct formula dual channel receiver component.
Background technology
The conventional techniques of Larger Dynamic receiving unit mainly have AGC, MGC and STC etc., are realized by reducing channel gain
Dynamic extension.But when gain reduction is excessive, the sensitivity of receiving circuit is by severe exacerbation.Common circuit diagram is one and declines
Subtract device and an amplifier series connection, then connects with another attenuator, then connect with another amplifier.
Invention content
It is an object of the invention to overcome the prior art, the radio frequency reconstruct formula dual channel receiver of high sensitivity is provided
Component.
The purpose of the present invention is achieved through the following technical solutions：Radio frequency reconstructs formula dual channel receiver component, including amplification
Channel plate, amplification channel plate are connected with antenna, the signal line one of port A to port C are provided in amplification channel plate, from port
Signal line two, the calibration circuit of B to port D；
In the signal line one, by signal transfer direction, port A is by a radio signal transmission to calibration switch a, school
Quasi- switch a successively with filter a, by-pass switch a, amplifier a, filter b, by-pass switch b, numerical-control attenuator a, by-pass switch
C, amplifier b, filter c, by-pass switch d series connection, by-pass switch d are finally connected on the C of port；
In the signal line one, by-pass switch a is also directly connected to form branch one with by-pass switch b, signal in branch one
It is transferred in by-pass switch b from by-pass switch a, by-pass switch c is also directly connected to form branch two with by-pass switch d, branch two
Middle signal is transferred to from by-pass switch c in by-pass switch d；
In the signal line two, by signal transfer direction, port B by another radio signal transmission to calibration switch b,
Calibration switch b is opened with filter d, by-pass switch e, amplifier c, filter e, by-pass switch f, numerical-control attenuator b, bypass successively
G, amplifier d, filter f, by-pass switch h series connection are closed, by-pass switch h is finally connected on the D of port；
In the signal line two, by-pass switch e is also directly connected to form branch three with by-pass switch f, signal in branch three
It is transferred in by-pass switch f from by-pass switch e, by-pass switch g is also directly connected to form branch four with by-pass switch h, branch four
Middle signal is transferred to from by-pass switch g in by-pass switch h；
In the calibration circuit, calibration signal is transferred in power splitter, and power splitter is respectively passed signal by two output ends
It passs in calibration switch a and calibration switch b.
Further include control panel, power supply processing module is provided in control panel, power supply processing module is connected with power supply, at power supply
Reason module is also connected with amplification channel plate.
The supply voltage is+12V, and the voltage of power supply+12V is converted to the DC voltage of+6V by power supply processing module,
And the DC voltage of+6V is passed through in amplification channel plate.
The receiving unit further includes communication interface plate, and signal processing module is additionally provided in the control panel, is led to
Communication interface plate is connected with signal processing module, and signal processing module is connected with amplification channel plate, and communication interface plate is by control command
Signal passes to amplification channel plate by signal processing module.
Interface in the communication interface plate is TTL interfaces, and the signaling interface of amplification channel plate is CMOS interfaces.
The receiving unit further includes detection plate, and detection plate is connected with amplification channel plate, detection plate also with control panel
In signal processing module be connected, detection plate is used to acquire status signal, fault-signal in amplification channel plate, and drops these letters
After number by the conversion of signaling module in control panel, then through communication interface plate pass to computer.
The detection plate is equally connected with the power supply processing module in control panel, and power supply processing module is by+the 12V of power supply
The DC voltage that voltage is converted into+5V is passed through in detection plate.
Principle：Calibration signal is input to signal line one, signal line two after power splitter, is respectively completed the ports A to C-terminal
The amplitude-phase calibration of mouth, the ports B to the ports D.
The aerial signal that amplification channel plate receives is handled, and is corrected by calibration signal.Detection plate is logical by amplification
Status signal, Collection in guidance tape, and these signals are handled by the signal processing module in control panel,
Then it is reached in computer through communication interface plate.Control command is also passed through the signal processing module in control panel by communication interface plate
After processing, amplification channel plate is passed to.Voltage in power supply is respectively to amplify after the power supply processing module processing in control panel
Channel plate and detection plate power supply.
The present invention has the following advantages：It is reconstructed into design core with radio frequency, gain is realized by bypassing amplifier
Big amount reduces, and finally can improve sensitivity 20dB or more under receiving unit low gain state.
Description of the drawings
Fig. 1 is the schematic diagram of the present invention；
Fig. 2 is the circuit diagram in amplification channel plate.
Specific implementation mode
The present invention will be further described below in conjunction with the accompanying drawings, but protection scope of the present invention is not limited to following institute
It states.
As shown in Fig. 1 ~ Fig. 2, radio frequency reconstructs formula dual channel receiver component, including amplification channel plate, amplification channel plate and day
Line is connected, be provided in amplification channel plate the signal line one of port A to port C, the signal line two from port B to port D,
Calibrate circuit.
In the present embodiment, in the signal line one, by signal transfer direction, port A is by a radio signal transmission
Into calibration switch a, calibration switch a successively with filter a, by-pass switch a, amplifier a, filter b, by-pass switch b, numerical control
Attenuator a, by-pass switch c, amplifier b, filter c, by-pass switch d series connection, by-pass switch d are finally connected on the C of port.
Further, in the signal line one, by-pass switch a is also directly connected to form branch one with by-pass switch b,
Signal is transferred to from by-pass switch a in by-pass switch b in branch one, and by-pass switch c is also directly connected to formation branch with by-pass switch d
Road two, signal is transferred to from by-pass switch c in by-pass switch d in branch two.
In the present embodiment, in the signal line two, by signal transfer direction, port B passes another radiofrequency signal
Transport in calibration switch b, calibration switch b successively with filter d, by-pass switch e, amplifier c, filter e, by-pass switch f, number
Attenuator b, by-pass switch g, amplifier d, filter f, by-pass switch h series connection are controlled, by-pass switch h is finally connected on the D of port.
Further, in the signal line two, by-pass switch e is also directly connected to form branch three with by-pass switch f,
Signal is transferred to from by-pass switch e in by-pass switch f in branch three, and by-pass switch g is also directly connected to formation branch with by-pass switch h
Lu Si, signal is transferred to from by-pass switch g in by-pass switch h in branch four；
In the calibration circuit, calibration signal is transferred in power splitter, and power splitter is respectively passed signal by two output ends
It passs in calibration switch a and calibration switch b.
Further include control panel, power supply processing module is provided in control panel, power supply processing module is connected with power supply, at power supply
Reason module is also connected with amplification channel plate.
The supply voltage is+12V, and the voltage of power supply+12V is converted to the DC voltage of+6V by power supply processing module,
And the DC voltage of+6V is passed through in amplification channel plate.
The receiving unit further includes communication interface plate, and signal processing module is additionally provided in the control panel, is led to
Communication interface plate is connected with signal processing module, and signal processing module is connected with amplification channel plate, and communication interface plate is by control command
Signal passes to amplification channel plate by signal processing module.
Interface in the communication interface plate is TTL interfaces, and the signaling interface of amplification channel plate is CMOS interfaces.
The receiving unit further includes detection plate, and detection plate is connected with amplification channel plate, detection plate also with control panel
In signal processing module be connected, detection plate is used to acquire status signal, fault-signal in amplification channel plate, and drops these letters
After number by the conversion of signaling module in control panel, then through communication interface plate pass to computer.
The detection plate is equally connected with the power supply processing module in control panel, and power supply processing module is by+the 12V of power supply
The DC voltage that voltage is converted into+5V is passed through in detection plate.
Operation principle is simply as follows：
Amplification channel plate contains the consistent link of two-way, receives the signal come to antenna, and the amplification of signal, warp are completed through amplifier
Filter completes the inhibition with outer garbage signal（The selection of useful signal）, amplifier replace with filter cascaded design realize rule
Fixed gain amplifier and rejection ability.
Calibration signal is distributed into the consistent signal of two-way amplitude, phase by power splitter and enters amplification channel, external digital letter
Number processing equipment obtains the signal width phase data of both links, and amplification channel both links are completed in the comparison for passing through this width phase data
Calibration（Calibrating principle inputs the signal of Phase amplitude-matched, the amplitude phase error of link is obtained according to output amplitude phase error, in number
It is corrected on word signal processing）.
Control panel realizes the processing of power supply and communication, and it is direct current+6V and+5V that amplification channel and detection plate, which use power supply, and
Input power is+12V, and the conversion of voltage is realized in control panel；External communication is TTL interfaces, the control interface of amplification channel
For CMOS, the conversion of TTL to CMOS is realized in control panel.
Detection plate acquisition state signal, fault-signal are exported through control panel power supply/communication interface.
Claims (7)
1. radio frequency reconstructs formula dual channel receiver component, it is characterised in that：Including amplification channel plate, amplification channel plate and antenna phase
Even, the signal line one, the signal line two from port B to port D, calibration of port A to port C are provided in amplification channel plate
Circuit；
In the signal line one, by signal transfer direction, port A is by a radio signal transmission to calibration switch a, school
Quasi- switch a successively with filter a, by-pass switch a, amplifier a, filter b, by-pass switch b, numerical-control attenuator a, by-pass switch
C, amplifier b, filter c, by-pass switch d series connection, by-pass switch d are finally connected on the C of port；
In the signal line one, by-pass switch a is also directly connected to form branch one with by-pass switch b, signal in branch one
It is transferred in by-pass switch b from by-pass switch a, by-pass switch c is also directly connected to form branch two with by-pass switch d, branch two
Middle signal is transferred to from by-pass switch c in by-pass switch d；
In the signal line two, by signal transfer direction, port B by another radio signal transmission to calibration switch b,
Calibration switch b is opened with filter d, by-pass switch e, amplifier c, filter e, by-pass switch f, numerical-control attenuator b, bypass successively
G, amplifier d, filter f, by-pass switch h series connection are closed, by-pass switch h is finally connected on the D of port；
In the signal line two, by-pass switch e is also directly connected to form branch three with by-pass switch f, signal in branch three
It is transferred in by-pass switch f from by-pass switch e, by-pass switch g is also directly connected to form branch four with by-pass switch h, branch four
Middle signal is transferred to from by-pass switch g in by-pass switch h；
In the calibration circuit, calibration signal is transferred in power splitter, and power splitter is respectively passed signal by two output ends
It passs in calibration switch a and calibration switch b.
2. radio frequency according to claim 1 reconstructs formula dual channel receiver component, it is characterised in that：Further include control panel, control
Power supply processing module is provided in making sheet, power supply processing module is connected with power supply, power supply processing module also with amplification channel plate phase
Even.
3. radio frequency according to claim 2 reconstructs formula dual channel receiver component, it is characterised in that：The supply voltage is
+ 12V, the voltage of power supply+12V is converted to the DC voltage of+6V by power supply processing module, and the DC voltage of+6V is passed through and is put
In big channel plate.
4. radio frequency according to claim 3 reconstructs formula dual channel receiver component, it is characterised in that：The receiving unit is also
Including communication interface plate, signal processing module, communication interface plate and signal processing module phase are additionally provided in the control panel
Even, signal processing module is connected with amplification channel plate, and communication interface plate transmits control command signal by signal processing module
Give amplification channel plate.
5. radio frequency according to claim 3 reconstructs formula dual channel receiver component, it is characterised in that：The communication interface plate
In interface be TTL interfaces, the signaling interface of amplification channel plate is CMOS interfaces.
6. radio frequency according to claim 3 reconstructs formula dual channel receiver component, it is characterised in that：The receiving unit is also
Including detection plate, detection plate is connected with amplification channel plate, and detection plate is also connected with the signal processing module in control panel, detection
Plate is used to acquire status signal, the fault-signal in amplification channel plate, and drops these signals and pass through the signaling module in control panel
After conversion, then through communication interface plate pass to computer.
7. radio frequency according to claim 6 reconstructs formula dual channel receiver component, it is characterised in that：The detection plate is same
It is connected with the power supply processing module in control panel, power supply processing module converts the+12V voltages of power supply to the DC voltage of+5V
It is passed through in detection plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810218608.XA CN108566216B (en) | 2018-03-16 | 2018-03-16 | Radio frequency reconstruction type double-channel receiving assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810218608.XA CN108566216B (en) | 2018-03-16 | 2018-03-16 | Radio frequency reconstruction type double-channel receiving assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108566216A true CN108566216A (en) | 2018-09-21 |
| CN108566216B CN108566216B (en) | 2023-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810218608.XA Active CN108566216B (en) | 2018-03-16 | 2018-03-16 | Radio frequency reconstruction type double-channel receiving assembly |
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| CN108566216B (en) | 2023-06-23 |
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