CN209046624U - IF process component - Google Patents
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- CN209046624U CN209046624U CN201822163584.0U CN201822163584U CN209046624U CN 209046624 U CN209046624 U CN 209046624U CN 201822163584 U CN201822163584 U CN 201822163584U CN 209046624 U CN209046624 U CN 209046624U
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Abstract
The utility model provides a kind of IF process component, including sequentially connected intermediate frequency amplification module, IQ demodulation module, frequency mixing module and amplification module；Intermediate frequency amplification module receives IF input signals and amplifies filtering processing to it to obtain intermediate-freuqncy signal；IQ demodulation module receives intermediate frequency reference signal, and intermediate-freuqncy signal and intermediate frequency reference signal are carried out I/Q two-way quadrature demodulation processing to obtain the road I amplified signal and the road Q amplified signal；Frequency mixing module receives two carrier signals, and a carrier signal and the road I amplified signal and another carrier signal and the road Q amplified signal are subjected to Frequency mixing processing respectively to obtain the first combining signal and the second combining signal, the first combining signal and the second combining signal are combined processing to obtain combining signal again, amplification module will be combined after signal amplifies filtering processing and export.While the utility model not only realizes the amplification to IF input signals, also because four module heights are integrated in a chip, small volume.
Description
Technical field
The utility model relates to IF signal processing technical field more particularly to a kind of IF process components.
Background technique
Treatment process of the existing intermediate frequency processor to the intermediate-freuqncy signal received are as follows: put the intermediate-freuqncy signal received
Filter is sent into after big processing to be filtered, and I/Q signal is then become by modem, then I/Q signal is filtered
Wave enhanced processing is to obtain amplified signal, but the amplified signal is relatively simple；And the volume of modem is big, power consumption
Greatly, these factors all allow the volume of existing intermediate frequency processor to be difficult to be designed smaller.
Utility model content
The utility model provides a kind of IF process component, it is intended to solve that existing intermediate frequency processor volume is big, power consumption
Big and treated the single problem of signal.
The utility model provides a kind of IF process component comprising sequentially connected intermediate frequency amplification module, IQ demodulation
Module, frequency mixing module and amplification module；
The intermediate frequency amplification module amplifies the described first signal to be processed for receiving the first signal to be processed
Filtering processing, to obtain intermediate-freuqncy signal；
The IQ demodulation module is used for receiving intermediate frequency signal and the second signal to be processed, and to the intermediate-freuqncy signal and second
Signal to be processed carries out I/Q two-way quadrature demodulation processing, divides not obtain the road I amplified signal and the road Q amplified signal；
The frequency mixing module is for receiving the road I amplified signal, the road Q amplified signal, third signal to be processed and the 4th wait locate
Signal is managed, and to both the road I amplified signal and third signal to be processed and the road Q amplified signal and the 4th signal two to be processed
Person carries out Frequency mixing processing to obtain the first combining signal and the second combining signal, then to the first combining signal and second respectively
Combining signal is combined processing, to obtain combining signal；
The amplification module is exported for receiving combining signal, and after the combining signal is amplified filtering processing；
First signal to be processed is IF input signals；Second signal to be processed is intermediate frequency reference signal；Institute
It states third signal to be processed and the 4th signal to be processed is carrier signal.
Further, the intermediate frequency amplification module includes sequentially connected VGA amplifier, first filter, power amplification
Device and second filter；
Input terminal of the input terminal of the VGA amplifier as intermediate frequency amplification module, the VGA amplifier is for receiving the
One signal to be processed；
Output end of the output end of the second filter as intermediate frequency amplification module, the second filter is for exporting
Intermediate-freuqncy signal.
Further, the IQ demodulation module includes I/Q frequency mixer, the road I amplifying unit and the road Q amplifying unit, the I/Q
Frequency mixer is connect with the road I amplifying unit and the road Q amplifying unit respectively；
Input terminal of the input terminal of the I/Q frequency mixer as IQ demodulation module, the I/Q frequency mixer is for receiving intermediate frequency
Signal and the second signal to be processed, and the quadrature demodulation of I/Q two-way is carried out to the intermediate-freuqncy signal and the second signal to be processed, with defeated
First low frequency Doppler signal and the second low frequency Doppler signal out；The I/Q frequency mixer includes the first output end and second
Output end, input terminal of first output end as the road I amplifying unit, input of the second output terminal as the road Q amplifying unit
End；
First output end of the output end of the road I amplifying unit as IQ demodulation module, the road I amplifying unit are used for
First low frequency Doppler signal is amplified into filtering processing, to export the road I amplified signal；
Second output terminal of the output end of the road Q amplifying unit as IQ demodulation module, the road Q amplifying unit are used for
Second low frequency Doppler signal is amplified into filtering processing, to export the road Q amplified signal.
Further, the road I amplifying unit includes sequentially connected first amplifier, the first low-pass filter, second
Amplifier, the first high-pass filter, third amplifier, four throw switch of the first hilted broadsword and the 4th amplifier；
Input terminal of the input terminal of first amplifier as the road I amplifying unit；
Output end of the output end of 4th amplifier as the road I amplifying unit.
Further, the road I amplifying unit further includes that one end of capacitor a C1, the capacitor C1 connects the 4th amplifier
Output end, the other end be the road I amplifying unit output end.
Further, the road Q amplifying unit includes sequentially connected 5th amplifier, the second low-pass filter, the 6th
Amplifier, the second high-pass filter, the 7th amplifier, four throw switch of the second hilted broadsword and the 8th amplifier；
Input terminal of the input terminal of 5th amplifier as the road Q amplifying unit；
Output end of the output end of 8th amplifier as the road Q amplifying unit.
Further, the road Q amplifying unit further includes that one end of capacitor a C2, the capacitor C2 connects the 8th amplifier
Output end, the other end be the road I amplifying unit output end.
Further, the frequency mixing module includes the first multiplier, the second multiplier and combiner, first multiplier
It is connect respectively with combiner with the second multiplier；
The frequency mixing module includes first input end and the second input terminal；
The input terminal of first multiplier is the first input end of frequency mixing module, for receiving the road I amplified signal and the
Three signals to be processed, and the road I amplified signal and third signal to be processed are subjected to Frequency mixing processing, with output the first combining letter
Number；
The input terminal of second multiplier is the second input terminal of frequency mixing module, for receiving the road Q amplified signal and the
Four signals to be processed, and the road Q amplified signal and the 4th signal to be processed are subjected to Frequency mixing processing, with output the second combining letter
Number；
The combiner is the output end of frequency mixing module, for exporting combining signal.
Further, the amplification module includes sequentially connected 9th amplifier, LC filter and operational amplifier；
Input terminal of 9th amplifier as amplification module；
Output end of the operational amplifier as amplification module.
The beneficial effects of the utility model are as follows:
1, the utility model receives an IF input signals by intermediate frequency amplification module and amplifies filtering processing to it
To obtain intermediate-freuqncy signal；IQ demodulation module receives an intermediate frequency reference signal, and intermediate-freuqncy signal and intermediate frequency reference signal are carried out I/Q
Two-way quadrature demodulation is handled to obtain the road I amplified signal and the road Q amplified signal；Frequency mixing module receives two carrier signals, and by one
Carrier signal and the road I amplified signal and a carrier signal and the road Q amplified signal carry out Frequency mixing processing respectively to obtain the first combining
Signal and the second combining signal, then the first combining signal and the second combining signal are combined and are handled to obtain combining signal,
Amplification module will be combined after signal amplifies filtering processing and export, therefore the utility model is realized to IF input signals
The purpose of high-frequency signal is exported after amplification.
Relative to the existing intermediate frequency processor having a single function, the utility model can couple multichannel signal to be processed, output
Signal be no longer single signal.
2, the utility model is integrated in a chip because of four module heights, small volume；And the chip of high integration
Power consumption is small in actual use, and output is stablized.
The additional aspect of the utility model and advantage will be set forth in part in the description, these will be from following description
In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
In order to illustrate more clearly of the utility model embodiment technical solution, will make below to required in embodiment description
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is some embodiments of the utility model, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the functional block diagram of IF process component in the utility model embodiment.
Specific embodiment
Below in conjunction with the Figure of description in the utility model, the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the embodiments are a part of the embodiments of the present invention, rather than whole implementation
Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work
The every other embodiment obtained, fall within the protection scope of the utility model.
It should be appreciated that in the utility model specification, term " includes " and "comprising" indicate described feature, entirety,
The presence of element and/or component, but one or more of the other feature, entirety, element, component and/or its set is not precluded
In the presence of or addition.
It is also understood that in the utility model term used in the description merely for the sake of description specific embodiment
Purpose and be not intended to limit the utility model.As the utility model is used in the description, unless context is clear
Indicate to Chu other situations, otherwise " one " of singular, "one" and "the" are intended to include plural form.In the utility model
In some processes described in specification and Figure of description, the multiple serial numbers occurred according to particular order are contained, but are answered
This has a clear understanding of, these serial numbers such as 11,12 etc., it is only for distinguishes each different title, serial number itself, which does not represent, appoints
What executes sequence.Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (including
Technical terms and scientific terms), have identical with the general understanding of those of ordinary skill in the utility model fields
Meaning.
Embodiment
The utility model embodiment provides a kind of IF process component, as shown in Figure 1 comprising sequentially connected intermediate frequency
Amplification module 100, IQ demodulation module 200, frequency mixing module 300 and amplification module 400.
Intermediate frequency amplification module 100 amplifies filtering processing to IF input signals for receiving IF input signals,
To obtain frequency as the intermediate-freuqncy signal of 10MHz ± fd.
Intermediate frequency amplification module 100 includes sequentially connected VGA amplifier 101, first filter 102, power amplifier 103
And second filter 104.
Input terminal of the input terminal of VGA amplifier 101 as intermediate frequency amplification module 100, VGA amplifier 101 receive intermediate frequency
Input signal.Enhanced processing of the IF input signals successively through VGA amplifier 101, the filtering processing of first filter 102, function
The power amplifier of rate amplifier 103 is handled and the filtering processing of second filter 104 is believed with output frequency for the intermediate frequency of 10MHz ± fd
Number.
Output end of the output end of second filter 104 as intermediate frequency amplification module 100；Second filter 104 is for defeated
Frequency is the intermediate-freuqncy signal of 10MHz ± fd out.
IQ demodulation module 200 is for receiving the intermediate-freuqncy signal that frequency is 10MHz ± fd and the intermediate frequency benchmark that frequency is 40MHz
Signal, and to the intermediate-freuqncy signal and frequency that frequency is 10MHz ± fd be 40MHz intermediate frequency reference signal carry out I/Q two-way it is orthogonal
Demodulation process, to obtain the low frequency Doppler that low frequency Doppler signal and frequency of the frequency for fd (0 °) are fd (± 90 °) respectively
Signal.IQ demodulation module 200 includes I/Q frequency mixer 210, the road I amplifying unit 220 and the road Q amplifying unit 230, I/Q frequency mixer
210 connect with the road I amplifying unit 220 and the road Q amplifying unit 230 respectively.
Input terminal of the input terminal of I/Q frequency mixer 210 as IQ demodulation module 200；I/Q frequency mixer 210 and the second filtering
Device 104 connects；I/Q frequency mixer 210 is for receiving the intermediate-freuqncy signal that frequency is 10MHz ± fd and the intermediate frequency base that frequency is 40MHz
Calibration signal, and the intermediate frequency reference signal for being 40MHz to the intermediate-freuqncy signal and frequency that frequency is 10MHz ± fd is carrying out I/Q two-way just
Demodulation is handed over, low frequency Doppler signal and frequency with output frequency for fd (0 °) are the low frequency Doppler signal of fd (± 90 °)；I/
Q frequency mixer 210 includes the first output end and second output terminal, input terminal of first output end as the road I amplifying unit, and the
Input terminal of two output ends as the road Q amplifying unit.
First output end of the output end of the road I amplifying unit 220 as IQ demodulation module 200；The road I amplifying unit 220 is used
In the low frequency Doppler signal that frequency is fd (0 °) is amplified filtering processing, to export the road I amplified signal.
The road I amplifying unit 220 includes sequentially connected first amplifier 221, the amplification of the first low-pass filter 222, second
Device 223, the first high-pass filter 224, third amplifier 225, four throw switch 226 of the first hilted broadsword, the 4th amplifier 227 and capacitor
C1.Input terminal of the input terminal of first amplifier 221 as the road I amplifying unit 220；First amplifier 221 and I/Q frequency mixer
210 connections.The output end of 4th amplifier 227 is connect with one end of capacitor C1, and the other end of capacitor C1 is as the road I amplifying unit
220 output end.
First amplifier 221 receives the low frequency Doppler signal that frequency is fd (0 °).Frequency is that how general the low frequency of fd (0 °) is
Strangle enhanced processing, the enhanced processing of first low-pass filter 222, second amplifier 223 of the signal successively through the first amplifier 221
Enhanced processing, the enhanced processing of the first high-pass filter 224, the enhanced processing of third amplifier 225, the first hilted broadsword four-throw open
Close 226 on-off action, the energy storage of the enhanced processing of the 4th amplifier 227 and capacitor C1 are acted on to obtain the road I amplified signal.
Second output terminal of the output end of the road Q amplifying unit 230 as IQ demodulation module 200；The road Q amplifying unit 230 is used
In the low frequency Doppler signal that frequency is fd (± 90 °) is amplified filtering processing, to export the road Q amplified signal.
The road Q amplifying unit 230 includes sequentially connected 5th amplifier 231, the amplification of the second low-pass filter the 232, the 6th
Device 233, the second high-pass filter 234, the 7th amplifier 235, four throw switch 236 of the second hilted broadsword, the 8th amplifier 237 and capacitor
C2.Input terminal of the input terminal 231 of 5th amplifier as the road Q amplifying unit 230, connect with I/Q frequency mixer 210.8th puts
The output end 237 of big device is connect with one end of capacitor C2, output end of the other end of capacitor C2 as the road Q amplifying unit 230.
5th amplifier 231 receives the low frequency Doppler signal that frequency is fd (± 90 °).Frequency is that the low frequency of fd (0 °) is more
General enhanced processing, the enhanced processing of the second low-pass filter 232, the 6th amplifier for strangling signal successively through the 5th amplifier 231
233 enhanced processing, the enhanced processing of the second high-pass filter 234, the enhanced processing of the 7th amplifier 235, the second hilted broadsword four
The energy storage effect of the on-off action of throw switch 236, the enhanced processing of the 8th amplifier 237 and capacitor C2 is to obtain the road Q amplification letter
Number.
Frequency mixing module 300 is used to receive the road I amplified signal, the road Q amplified signal, the carrier signal that frequency is 100KHz (0 °)
And frequency is the carrier signal of 100KHz (± 90 °), and to the carrier signal that the road I amplified signal and frequency are 100KHz (0 °) into
Row Frequency mixing processing is the carrier signal of 100KHz (± 90 °) to the road Q amplified signal and frequency to obtain the first combining signal
Frequency mixing processing is carried out to obtain the second combining signal, then the first combining signal and the second combining signal are combined processing, obtained
Signal must be combined.
Frequency mixing module A300 includes the first multiplier 301, the second multiplier 302 and combiner 303, the first multiplier 301
It is connect respectively with combiner with the second multiplier 302.
Frequency mixing module 300 further includes first input end and the second input terminal.The input terminal of first multiplier 301 is mixing mould
The first input end of block 300；The connection of the other end of first multiplier 301 and capacitor C1；First multiplier 301 is for receiving I
Road amplified signal and frequency are the carrier signal of 100KHz (0 °), and are the load of 100KHz (0 °) by the road I amplified signal and frequency
Wave signal carries out Frequency mixing processing, with output the first combining signal.The input terminal of second multiplier 302 is the of frequency mixing module 300
Two input terminals；The connection of the other end of second multiplier 302 and capacitor C2；Second multiplier 302 is for receiving the road Q amplified signal
100KHz (± 90 °) the carrier wave letter for frequency being the carrier signal of 100KHz (± 90 °), and being by the road Q amplified signal and frequency
Number carry out Frequency mixing processing, with output second combining signal.
Combiner 303 is the output end of frequency mixing module A3；Frequency mixing module A3 is used for the first combining signal and the second combining
Signal is combined processing to export combining signal.
Amplification module 400 will be combined output frequency after signal amplifies filtering processing and be for receiving combining signal
The signal of 100KHz ± fd.
Amplification module 400 includes sequentially connected 9th amplifier 401, LC filter 402 and operational amplifier 403.The
Input terminal of nine amplifiers 401 as amplification module 400；9th amplifier 401 is connect with frequency mixing module A3.Operational amplifier
403 output end as amplification module 400.
In actual use, after IF input signals amplify processing by AGC amplifier 101, then the is passed sequentially through
The filtering processing of one filter 102, the power amplification processing of power amplifier 103, the filtering processing of second filter 104, it is defeated
The intermediate-freuqncy signal of 10MHz ± fd out；The frequency of intermediate-freuqncy signal and input that frequency is 10MHz ± fd is by I/Q frequency mixer 210
The intermediate frequency reference signal of 40MHz carries out the quadrature demodulation of I/Q two-way, and acquisition frequency is the low frequency Doppler signal and frequency of fd (0 °)
For the low frequency Doppler signal of fd (± 90 °)；Frequency is that the low frequency Doppler signal of fd (0 °) successively passes through the first amplifier 221
Enhanced processing, the filtering processing of the first low-pass filter 222, the power amplification of the second amplifier 223 processing, the filter of the first high pass
The filtering processing of wave device 224, the enhanced processing of third amplifier 225, the signal conversion of four throw switch 226 of the first hilted broadsword, the 4th
After the enhanced processing of amplifier 227, then capacitor (storage effect) the acquisition road the I amplified signal for passing through 1 microfarad；First multiplication
The carrier signal that the road I amplified signal and frequency are 100KHz (0 °) is carried out Frequency mixing processing by device 301, then through the first multiplier 301
Transistor-Transistor Logic level channel output, obtain first combining signal；Frequency is that the low frequency Doppler signal of fd (± 90 °) passes sequentially through the
The enhanced processing of five amplifiers 231, the filtering processing of the second low-pass filter 232, the enhanced processing of the 6th amplifier 233,
The filtering processing of two high-pass filters 234, the enhanced processing of the 7th amplifier 235, four throw switch 236 of the second hilted broadsword signal turn
It changes, after the enhanced processing of the 8th amplifier 237, then the road Q amplified signal is obtained by the capacitor (storage effect) of 1 microfarad；
The carrier signal that the road Q amplified signal and frequency are 100KHz (± 90 °) is carried out Frequency mixing processing by the second multiplier 302, then through the
The Transistor-Transistor Logic level channel of paired multiplier 302 exports, and obtains the second combining signal；Combiner 303 closes the first combining signal and second
Road signal is combined processing, obtains combining signal；Combining signal passes through the enhanced processing of the 9th amplifier 401, LC filter respectively
After the filtering processing of wave device 402, the enhanced processing of operational amplifier 403, the signal that frequency is 100KHz ± fd is obtained.
The utility model is made of intermediate frequency amplification module, IQ demodulation module, frequency mixing module and amplification module, and intermediate frequency is inputted
High-frequency signal is exported after signal amplification.
The utility model is because four module heights are integrated in a chip, small volume；And the chip of high integration exists
Power consumption is small in actual use, and output is stablized.
The utility model can couple multichannel letter to be processed relative to the existing intermediate frequency processor that can only export single signal
Number, the signal of output is no longer single signal.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can be readily occurred in various
Equivalent modifications or substitutions, these modifications or substitutions should be covered within the scope of the utility model.Therefore, this is practical
Novel protection scope should be subject to the protection scope in claims.
Claims (9)
1. a kind of IF process component, which is characterized in that including sequentially connected intermediate frequency amplification module, IQ demodulation module, mixing
Module and amplification module；
The intermediate frequency amplification module amplifies filtering to the described first signal to be processed for receiving the first signal to be processed
Processing, to obtain intermediate-freuqncy signal；
The IQ demodulation module is used for receiving intermediate frequency signal and the second signal to be processed, and to the intermediate-freuqncy signal and second wait locate
It manages signal and carries out I/Q two-way quadrature demodulation processing, to obtain the road I amplified signal and the road Q amplified signal respectively；
The frequency mixing module is for receiving the road I amplified signal, the road Q amplified signal, third signal to be processed and the 4th letter to be processed
Number, and to both the road I amplified signal and third signal to be processed and both the road Q amplified signal and the 4th signal to be processed point
Not carry out Frequency mixing processing with obtain the first combining signal and second combining signal, then to it is described first combining signal and second combining
Signal is combined processing, to obtain combining signal；
The amplification module is exported for receiving combining signal, and after the combining signal is amplified filtering processing；
First signal to be processed is IF input signals；Second signal to be processed is intermediate frequency reference signal；Described
Three signals to be processed and the 4th signal to be processed are carrier signal.
2. IF process component according to claim 1, which is characterized in that the intermediate frequency amplification module includes being sequentially connected
VGA amplifier, first filter, power amplifier and second filter；
Input terminal of the input terminal of the VGA amplifier as intermediate frequency amplification module, the VGA amplifier for receive first to
Handle signal；
Output end of the output end of the second filter as intermediate frequency amplification module, the second filter is for exporting intermediate frequency
Signal.
3. IF process component according to claim 1, which is characterized in that the IQ demodulation module include I/Q frequency mixer,
The road I amplifying unit and the road Q amplifying unit, the I/Q frequency mixer are connect with the road I amplifying unit and the road Q amplifying unit respectively；
Input terminal of the input terminal of the I/Q frequency mixer as IQ demodulation module, the I/Q frequency mixer are used for receiving intermediate frequency signal
With the second signal to be processed, and the quadrature demodulation of I/Q two-way is carried out to the intermediate-freuqncy signal and the second signal to be processed, to export the
One low frequency Doppler signal and the second low frequency Doppler signal；
The I/Q frequency mixer includes the first output end and second output terminal, input of first output end as the road I amplifying unit
End, input terminal of the second output terminal as the road Q amplifying unit；
First output end of the output end of the road I amplifying unit as IQ demodulation module, the road I amplifying unit are used for the
One low frequency Doppler signal amplifies filtering processing, to export the road I amplified signal；
Second output terminal of the output end of the road Q amplifying unit as IQ demodulation module, the road Q amplifying unit are used for the
Two low frequency Doppler signals amplify filtering processing, to export the road Q amplified signal.
4. IF process component according to claim 3, which is characterized in that the road I amplifying unit includes being sequentially connected
The first amplifier, the first low-pass filter, the second amplifier, the first high-pass filter, third amplifier, the first hilted broadsword four-throw
Switch and the 4th amplifier；
Input terminal of the input terminal of first amplifier as the road I amplifying unit；
Output end of the output end of 4th amplifier as the road I amplifying unit.
5. IF process component according to claim 4, which is characterized in that the road I amplifying unit further includes a capacitor
One end of C1, the capacitor C1 connect the output end of the 4th amplifier, and the other end is the output end of the road I amplifying unit.
6. IF process component according to claim 3, which is characterized in that the road Q amplifying unit includes being sequentially connected
The 5th amplifier, the second low-pass filter, the 6th amplifier, the second high-pass filter, the 7th amplifier, the second hilted broadsword four-throw
Switch and the 8th amplifier；
Input terminal of the input terminal of 5th amplifier as the road Q amplifying unit；
Output end of the output end of 8th amplifier as the road Q amplifying unit.
7. IF process component according to claim 6, which is characterized in that the road Q amplifying unit further includes a capacitor
One end of C2, the capacitor C2 connect the output end of the 8th amplifier, and the other end is the output end of the road I amplifying unit.
8. IF process component according to claim 1, which is characterized in that the frequency mixing module include the first multiplier,
Second multiplier and combiner, first multiplier and the second multiplier are connect with combiner respectively；
The frequency mixing module includes first input end and the second input terminal；
The input terminal of first multiplier is the first input end of frequency mixing module, is waited for for receiving the road I amplified signal and third
Signal is handled, and the road I amplified signal and third signal to be processed are subjected to Frequency mixing processing, with output the first combining signal；
The input terminal of second multiplier be frequency mixing module the second input terminal, for receive the road Q amplified signal and the 4th to
Signal is handled, and the road Q amplified signal and the 4th signal to be processed are subjected to Frequency mixing processing, with output the second combining signal；
The combiner is the output end of frequency mixing module, for exporting combining signal.
9. IF process component according to claim 1, which is characterized in that the amplification module includes sequentially connected
Nine amplifiers, LC filter and operational amplifier；
9th amplifier is the input terminal of amplification module；
The operational amplifier is the output end of amplification module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822163584.0U CN209046624U (en) | 2018-12-20 | 2018-12-20 | IF process component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822163584.0U CN209046624U (en) | 2018-12-20 | 2018-12-20 | IF process component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209046624U true CN209046624U (en) | 2019-06-28 |
Family
ID=67044712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822163584.0U Active CN209046624U (en) | 2018-12-20 | 2018-12-20 | IF process component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209046624U (en) |
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2018
- 2018-12-20 CN CN201822163584.0U patent/CN209046624U/en active Active
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