CN107395148A - A kind of temperature compensation equalizing circuit of TR components - Google Patents
A kind of temperature compensation equalizing circuit of TR components Download PDFInfo
- Publication number
- CN107395148A CN107395148A CN201710635969.XA CN201710635969A CN107395148A CN 107395148 A CN107395148 A CN 107395148A CN 201710635969 A CN201710635969 A CN 201710635969A CN 107395148 A CN107395148 A CN 107395148A
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G5/00—Tone control or bandwidth control in amplifiers
- H03G5/16—Automatic control
- H03G5/165—Equalizers; Volume or gain control in limited frequency bands
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
- H03K19/003—Modifications for increasing the reliability for protection
- H03K19/00369—Modifications for compensating variations of temperature, supply voltage or other physical parameters
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- Engineering & Computer Science (AREA)
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- General Engineering & Computer Science (AREA)
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- Non-Reversible Transmitting Devices (AREA)
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Abstract
The invention provides a kind of temperature compensation equalizing circuit of TR components, including temperature compensation circuit and equalizing circuit；The temperature compensation circuit realizes temperature compensation function using PIN tube cores and DC bias circuit；The DC bias circuit is composed in series by fixed resistance and thermistor；The equalizing circuit, including the equalizing resistance realized by the way of micro-strip open stub+lumped resistance on open circuited transmission line；The equalizing resistance realizes the short-circuit condition of two equalizing resistances by spun gold welding procedure alumina ceramic substrate is gold-plated and TaN resistance films are realized.It can preferably be applied in ultra wide band TR components, solve the problems, such as that gain fluctuation is big in ultra wide band TR component frequency bands, high/low temperature gain fluctuation is big, in particular for having the advantages of larger in multiple TR components amplitude coincidence index debuggings.
Description
Technical field
The present invention relates to a kind of temperature compensation equalizing circuit of TR components, more particularly to a kind of suitable for ultra wide band TR components
Temperature compensation equalizing circuit.
Background technology
EW Equipment obtains very big breakthrough extensively using AESA technology, equipment performance in recent years.TR components
It is the basis for forming phased array antenna, is the core component of AESA, due to being to be applied to electronic warfare field, ultra wide band,
Miniaturization is its indispensable technical characteristic.
At present, electronic warfare TR components are widely used multifunction chip and high-density integration technology realizes its ultra wide band and small
Type technical characteristic, but there is also gain fluctuation in application band is big, the technological difficulties such as high/low temperature change in gain is big are, it is necessary to adopt
It can meet application demand with certain gain compensation technology.Realize that ultra wide band TR component gains compensation techniques mainly have gain
Balanced and technique for temperature compensation.
（1）Gain balance technology
Because the frequency band of TR components is wider（3 octaves）, TR component internal passive circuits Insertion Loss can with frequency increase and increase,
Activated amplifier gain is higher in frequency band low side, and frequency range is high-end relatively low, so result in TR components amplitude accordingly fluctuate it is larger,
Need gain balance circuit.And traditional balanced device chip has the fixation of gain balance amount and can not dynamically adjusted, it is unfavorable for multiple
The performance indications of TR component amplitude coincidences improve.
（2）Technique for temperature compensation
TR component internals integrate multiple functions, and such as transmit-receive switch, amplitude weighting decay, numerical control shifting equality circuit, its Insertion Loss is larger,
To obtain certain amplitude gain, it is necessary to cascading multiple stages amplifier.And the gain of amplifier is negative temperature characteristic（Increase with temperature
Add and gain reduction）, because using casacade multi-amplifier, the TR component high/low temperatures gain fluctuation that temperature compensation technology is not used is left up to 10dB
It is right.To reduce the fluctuation of the temperature gain of TR components, temperature-sensitive is typically used using technique for temperature compensation, traditional temperature-compensated chip
Resistance forms T-shaped or PI type attenuators and realizes temperature compensation function, the shortcomings that Insertion Loss is big, can not dynamically adjust be present, while by
It is poor in the steady attenuator high band temperature compensation effect of Kelvin effect.
The content of the invention
The technical problem to be solved in the present invention is：
The 1st, a kind of TR component gains equalizing circuits that can improve multiple TR components amplitude coincidence performances are provided；
2nd, a kind of Insertion Loss of offer is small, and high/low temperature gain compensation range is big, can dynamically adjust, steady attenuator high band temperature compensation effect
The good TR component temperature compensation attenuator circuits of fruit.
The technical solution adopted by the present invention is as follows：
A kind of temperature compensation equalizing circuit of TR components, including temperature compensation circuit and equalizing circuit；The temperature compensation circuit using PIN tube cores and
DC bias circuit realizes temperature compensation function；The DC bias circuit is composed in series by fixed resistance and thermistor；Institute
State and be grounded after choke induction and diode are sequentially connected between fixed resistance and thermistor；The choke induction and two pole
The positive pole of pipe is connected；The positive pole of the diode connects the input and output of temperature compensation circuit by a coupled capacitor respectively again
End.
The equalizing circuit, including realized by the way of micro-strip open stub+lumped resistance on open circuited transmission line
Equalizing resistance；The equalizing resistance passes through spun gold Welder alumina ceramic substrate is gold-plated and TaN resistance films are realized
Skill realizes the short-circuit condition of two equalizing resistances.
The equalizing resistance includes more than two series connection equalizing resistances.
Also include two-way isolation circuit；Mainly it is made up of per road isolation circuit 90 degree of electric bridges；Isolation circuit is by radio frequency all the way
Input signal is divided into two-way, successively after two-way temperature compensation circuit and two-way equalizing circuit, then 90 by another way isolation circuit
Exported after degree electric bridge synthesis；The build-out resistor for also including 90 degree of electric bridge isolation ends per road isolation circuit, for absorbing temperature compensation
The reflected signal of circuit and equalizing circuit；The two-way temperature compensation circuit and two-way equalizing circuit are one-to-one relationship.
The build-out resistor is 50 ohm of build-out resistors.
A kind of temperature compensation equalizing circuit of TR components, including temperature compensation circuit and equalizing circuit；The equalizing circuit, including use
The equalizing resistance that the mode of micro-strip open stub+lumped resistance is realized on open circuited transmission line；The equalizing resistance is aoxidizing
Aluminium ceramic substrate is gold-plated and TaN resistance films are realized, and the short-circuit condition of two equalizing resistances is realized by spun gold welding procedure.
The equalizing resistance includes more than two series connection equalizing resistances.
Also include two-way isolation circuit；Mainly it is made up of per road isolation circuit 90 degree of electric bridges；Isolation circuit is by radio frequency all the way
Input signal is divided into two-way, successively after two-way temperature compensation circuit and two-way equalizing circuit, then 90 by another way isolation circuit
Exported after degree electric bridge synthesis；The build-out resistor for also including 90 degree of electric bridge isolation ends per road isolation circuit, for absorbing temperature compensation
The reflected signal of circuit and equalizing circuit；The two-way temperature compensation circuit and two-way equalizing circuit are one-to-one relationship.
The build-out resistor is 50 ohm of build-out resistors.
Compared with prior art, the beneficial effects of the invention are as follows：It can preferably be applied in ultra wide band TR components, solve
The problem of gain fluctuation is big in ultra wide band TR component frequency bands, high/low temperature gain fluctuation is big, in particular for multiple TR components amplitudes
There is the advantages of larger in coincident indicator debugging；Good performance, gain are shown in the TR module testings of 6-18GHz broadbands
Equilibrium quantity and temperature compensation range are adjustable, input and output standing wave excellent performance.For producing for lifting ultra wide band TR components
Property, adjustable have positive effect.
Brief description of the drawings
Fig. 1 is the temperature compensation circuit principle structure schematic diagram of a wherein embodiment of the invention.
Fig. 2 is the equalizing circuit theory structure schematic diagram in a wherein embodiment of the invention.
Fig. 3 is the equalizing circuit equivalent circuit structure schematic diagram of embodiment illustrated in fig. 2.
Fig. 4 is the TR component temperature compensation equalizing circuit theory structure schematic diagrams of a wherein embodiment of the invention.
Fig. 5 is the isolation circuit theory structure schematic diagram of a wherein embodiment of the invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, not
For limiting the present invention.
This specification（Including summary and accompanying drawing）Disclosed in any feature, unless specifically stated otherwise, can be equivalent by other
Or the alternative features with similar purpose are replaced.I.e., unless specifically stated otherwise, each feature is a series of equivalent or class
Like an example in feature.
Specific embodiment 1
A kind of temperature compensation equalizing circuit of TR components, including temperature compensation circuit and equalizing circuit；The temperature compensation circuit using PIN tube cores and
DC bias circuit realizes temperature compensation function；The DC bias circuit is composed in series by fixed resistance and thermistor；Institute
State and be grounded after choke induction and diode are sequentially connected between fixed resistance and thermistor；The choke induction and two pole
The positive pole of pipe is connected；The positive pole of the diode connects the input and output of temperature compensation circuit by a coupled capacitor respectively again
End.
Temperature compensation circuit in the present invention using PIN tube cores+peripheral DC bias circuit as shown in figure 1, realize temperature-compensating
Function, when high temperature, the resistance of thermistor is almost 0 Europe mother so that PIN tube cores are nearly at 0 bias state, i.e. radio frequency pair
Ground open-circuit condition, now the Insertion Loss of temperature compensation circuit network is minimum.Thermistor resistance increases during low temperature so that PIN tube core direct currents
It is biased close to conducting state, i.e. radio frequency low impedance state over the ground, temperature compensation circuit network Insertion Loss is maximum during low temperature, therefore temperature compensation circuit
Possesses high/low temperature temperature compensation function, high/low temperature gain compensation range is big and the advantages that being dynamically adapted.And traditional temperature is mended
Repay chip T-shaped or PI type attenuators are formed using thermistor and realize temperature compensation function, there is that Insertion Loss is big, can not dynamically adjust
The shortcomings that, simultaneously because Kelvin effect temperature compensation attenuator high band temperature compensation effect is poor.Choke induction in other temperature-compensation circuit
The mainly effect of radio frequency isolation, coupled capacitor are mainly isolated DC voltage, turn on the effect of radiofrequency signal, i.e. blocking circulates
Alternating current function.
Specific embodiment 2
On the basis of specific embodiment 1, the equalizing circuit, as shown in Fig. 2 including using micro-strip open stub+lump
The equalizing resistance that the mode of resistance is realized on open circuited transmission line；The equalizing resistance is alumina ceramic substrate is gold-plated and TaN
Resistance film is realized, and the short-circuit condition of two equalizing resistances is realized by spun gold welding procedure.
The equivalent circuit of equalizing circuit is as shown in figure 3, the operation principle of equalizing circuit is open stub input impedance is
Zin=-j*Z0*cot（2πL/λ）, wherein Z0 is the characteristic impedance of transmission line, and L is that open-circuit transfer line length L, λ are microwave signal
Wavelength.When open-circuit transfer line length is constant, it is assumed that wavelength corresponding to frequency f0 is λ 0, and has 2 π L/ 0=pi/2s of λ, now Zin
=0, it is grounded equivalent to resistance R1, now the equivalent circuit topological network Insertion Loss shown in Fig. 3 is maximum.It is short with the rise of frequency, open circuit
The input impedance of transversal shows as capacitive reactances, and is gradually reduced with the increase capacitance of frequency, it is assumed that when frequency is f1 pair
The wavelength answered is λ 1, and has π/4 of 2 π L/ λ 1=3, now Zin=∞（It is infinitely great）, opened a way equivalent to resistance R1, now shown in Fig. 3
Equivalent circuit topological network Insertion Loss it is minimum, therefore Microwave Equalizer work(can be realized by micro-strip open stub
Energy.Realize that equalizing resistance R1 or R2 short-circuit condition can realize that the dynamic of amplitude equalization amount is adjusted additionally by spun gold welding procedure
It is whole.The specific size of equalizing resistance is specifically set according to the characteristic of characteristic impedance transmission line.
Specific embodiment 3
On the basis of specific embodiment 2, the equalizing resistance includes more than two series connection equalizing resistances, in this specific implementation
In example, including two series connection equalizing resistances R1 and R2.The equalizing resistance connected using two or more, effectively improves the accuracy of equalization,
But the number of equalizing resistance should be rationally designed according to the influence of distribution capacity.
Specific embodiment 4
On the basis of one of specific embodiment 1 to 3, as shown in Figures 4 and 5, in addition to two-way isolation circuit；Per road isolation circuit
Mainly it is made up of 90 degree of electric bridges；Radio-frequency input signals is divided into two-way by isolation circuit all the way, successively by two-way temperature compensation circuit and
After two-way equalizing circuit, then exported after being synthesized by 90 degree of electric bridges of another way isolation circuit；It is described also to include per road isolation circuit
The build-out resistor of 90 degree of electric bridge isolation ends, for absorbing the reflected signal of temperature compensation circuit and equalizing circuit, so as to realize temperature compensation electricity
Road and equalizing circuit are isolated with peripheral circuit, ensure that it has good input and output standing-wave ratio；The two-way temperature compensation circuit
It is one-to-one relationship with two-way equalizing circuit.
Specific embodiment 5
On the basis of specific embodiment 4, the build-out resistor is 50 ohm of build-out resistors.
Specific embodiment 6
A kind of temperature compensation equalizing circuit of TR components, including temperature compensation circuit and equalizing circuit；The equalizing circuit, including using micro-strip
The equalizing resistance that the mode of open stub+lumped resistance is realized on open circuited transmission line；The equalizing resistance is made pottery in aluminum oxide
Ceramic chip is gold-plated and TaN resistance films are realized, and the short-circuit condition of two equalizing resistances is realized by spun gold welding procedure.
Specific embodiment 7
On the basis of specific embodiment 6, the equalizing resistance includes more than two series connection equalizing resistances, in this specific implementation
In example, including two series connection equalizing resistances R1 and R2.
Specific embodiment 8
On the basis of specific embodiment 6 or 7, in addition to two-way isolation circuit；Per road isolation circuit mainly by 90 degree of electric bridge groups
Into；Radio-frequency input signals is divided into two-way by isolation circuit all the way, successively after two-way temperature compensation circuit and two-way equalizing circuit, then
Exported after being synthesized by 90 degree of electric bridges of another way isolation circuit；For also including 90 degree of electric bridge isolation ends per road isolation circuit
With resistance, for absorbing the reflected signal of temperature compensation circuit and equalizing circuit, so as to realize temperature compensation circuit and equalizing circuit and periphery
The isolation of circuit, ensure that it has good input and output standing-wave ratio；The two-way temperature compensation circuit and two-way equalizing circuit are one
One corresponding relation.
Specific embodiment 9
On the basis of specific embodiment 8, the build-out resistor is 50 ohm of build-out resistors.
Claims (9)
1. a kind of temperature compensation equalizing circuit of TR components, it is characterised in that including temperature compensation circuit and equalizing circuit；The temperature compensation circuit
Temperature compensation function is realized using PIN tube cores and DC bias circuit；The DC bias circuit is by fixed resistance and temperature-sensitive electricity
Resistance is composed in series；It is grounded after being sequentially connected choke induction and diode between the fixed resistance and thermistor；The chokes
Inductance is connected with the positive pole of the diode；The positive pole of the diode connects temperature compensation circuit by a coupled capacitor respectively again
Input and output side.
2. the temperature compensation equalizing circuit of TR components according to claim 1, it is characterised in that the equalizing circuit, including adopt
The equalizing resistance realized with the mode of micro-strip open stub+lumped resistance on open circuited transmission line；The equalizing resistance is in oxygen
Change aluminium ceramic substrate is gold-plated and TaN resistance films are realized, and the short-circuit shape of two equalizing resistances is realized by spun gold welding procedure
State.
3. the temperature compensation equalizing circuit of TR components according to claim 2, it is characterised in that the equalizing resistance includes two
Series connection equalizing resistance above.
4. the temperature compensation equalizing circuit of the TR components according to one of Claim 1-3, it is characterised in that also including two-way every
From circuit；Mainly it is made up of per road isolation circuit 90 degree of electric bridges；Radio-frequency input signals is divided into two-way by isolation circuit all the way, successively
After two-way temperature compensation circuit and two-way equalizing circuit, then exported after being synthesized by 90 degree of electric bridges of another way isolation circuit；It is described
Also include the build-out resistor of 90 degree of electric bridge isolation ends per road isolation circuit, the reflection for absorbing temperature compensation circuit and equalizing circuit is believed
Number；The two-way temperature compensation circuit and two-way equalizing circuit are one-to-one relationship.
5. the temperature compensation equalizing circuit of TR components according to claim 4, it is characterised in that the build-out resistor is 50 ohm
Build-out resistor.
6. a kind of temperature compensation equalizing circuit of TR components, it is characterised in that including temperature compensation circuit and equalizing circuit；The balanced electricity
Road, including the equalizing resistance realized by the way of micro-strip open stub+lumped resistance on open circuited transmission line；The equilibrium
Resistance realizes two equalizing resistances alumina ceramic substrate is gold-plated and TaN resistance films are realized by spun gold welding procedure
Short-circuit condition.
7. the temperature compensation equalizing circuit of TR components according to claim 6, it is characterised in that the equalizing resistance includes two
Series connection equalizing resistance above.
8. the temperature compensation equalizing circuit of the TR components according to claim 6 or 7, it is characterised in that also isolate electricity including two-way
Road；Mainly it is made up of per road isolation circuit 90 degree of electric bridges；Radio-frequency input signals is divided into two-way by isolation circuit all the way, is passed through successively
After two-way temperature compensation circuit and two-way equalizing circuit, then exported after being synthesized by 90 degree of electric bridges of another way isolation circuit；Every road
Isolation circuit also includes the build-out resistor of 90 degree of electric bridge isolation ends, for absorbing the reflected signal of temperature compensation circuit and equalizing circuit；
The two-way temperature compensation circuit and two-way equalizing circuit are one-to-one relationship.
9. the temperature compensation equalizing circuit of TR components according to claim 8, it is characterised in that the build-out resistor is 50 ohm
Build-out resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710635969.XA CN107395148B (en) | 2017-07-31 | 2017-07-31 | Temperature compensation equalizing circuit of TR (transmitter-receiver) component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710635969.XA CN107395148B (en) | 2017-07-31 | 2017-07-31 | Temperature compensation equalizing circuit of TR (transmitter-receiver) component |
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| CN107395148A true CN107395148A (en) | 2017-11-24 |
| CN107395148B CN107395148B (en) | 2020-06-09 |
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| CN201710635969.XA Active CN107395148B (en) | 2017-07-31 | 2017-07-31 | Temperature compensation equalizing circuit of TR (transmitter-receiver) component |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109387813A (en) * | 2018-08-31 | 2019-02-26 | 中国电子科技集团公司第二十九研究所 | One kind being based on the received High Precision Frequency method of wideband-radar signal |
| CN109962717A (en) * | 2019-04-16 | 2019-07-02 | 中国电子科技集团公司第二十九研究所 | A kind of temperature-compensation circuit of ultra wide band |
| CN112615592A (en) * | 2020-11-25 | 2021-04-06 | 中国电子科技集团公司第二十九研究所 | Miniaturized self-adaptation temperature compensation circuit of high driving capability |
| CN113285679A (en) * | 2021-04-23 | 2021-08-20 | 中国电子科技集团公司第二十九研究所 | Ultra-wideband miniaturized amplitude expanding circuit |
| CN113287225A (en) * | 2019-01-16 | 2021-08-20 | 日立安斯泰莫株式会社 | Signal transmission device |
| CN113300682A (en) * | 2021-06-03 | 2021-08-24 | 中国电子科技集团公司第二十九研究所 | Reconfigurable amplitude limiting and attenuation integrated circuit and working method thereof |
| CN115064854A (en) * | 2022-07-27 | 2022-09-16 | 电子科技大学 | Double-peak gain equalizer based on reflection type vector synthesis method |
| CN117200727A (en) * | 2023-11-06 | 2023-12-08 | 中国电子科技集团公司第二十九研究所 | Coaxial gain equalization device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113300682B (en) * | 2021-06-03 | 2022-05-17 | 中国电子科技集团公司第二十九研究所 | Reconfigurable amplitude limiting and attenuation integrated circuit and working method thereof |
| CN115064854A (en) * | 2022-07-27 | 2022-09-16 | 电子科技大学 | Double-peak gain equalizer based on reflection type vector synthesis method |
| CN115064854B (en) * | 2022-07-27 | 2023-08-22 | 电子科技大学 | Bimodal gain equalizer based on reflection type vector synthesis method |
| CN117200727A (en) * | 2023-11-06 | 2023-12-08 | 中国电子科技集团公司第二十九研究所 | Coaxial gain equalization device |
| CN117200727B (en) * | 2023-11-06 | 2024-01-23 | 中国电子科技集团公司第二十九研究所 | Coaxial gain equalization device |
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