CN209030160U - A kind of ultra wide band mixing chip circuit - Google Patents
A kind of ultra wide band mixing chip circuit Download PDFInfo
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- CN209030160U CN209030160U CN201822018047.7U CN201822018047U CN209030160U CN 209030160 U CN209030160 U CN 209030160U CN 201822018047 U CN201822018047 U CN 201822018047U CN 209030160 U CN209030160 U CN 209030160U
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Abstract
The utility model discloses a kind of ultra wide bands to be mixed chip circuit, including transistor Q1, transistor Q2, transistor Q3, transistor Q4, transistor Q5, transistor Q6, transistor Q7, transistor Q8, resistance R1, resistance R2, resistance R3.The utility model is mixed principle design mixing chip according to gilbert, and the mixing work of large dynamic range is completed with relatively simple component connection type, meets the requirement for saving power consumption.
Description
Technical field
The utility model relates to frequency mixer fields can be used for it particularly relates to which a kind of ultra wide band is mixed chip circuit
The fields such as electronic communication and electronic countermeasure, are mainly used for docking and are carried out high frequency by signal and turn at the different frequency signals separation of intermediate frequency
Reason.
Background technique
Broadband receiver is often employed in the fields such as electronic communication and electronic countermeasure, their effect will receive
Broadband rf signal is transformed to the fixed intermediate-freuqncy signal of frequency, is a device indispensable in signal processing.And as connecing
The frequency mixer of the frequency conversion device of receipts system, performance directly affect the dynamic range of reception system.Therefore, there is low frequency conversion
Loss, high linearity frequency mixer be always direction that each R & D Enterprises are studied intensively.In various types of frequency mixers, ultra wide band is mixed
Frequency device obtains it in receivers because its structure is simple, ultrabroad band and many advantages, such as high linearity
It is widely applied
High integration in recent years, inexpensive radar T/R component have become a hot topic of research, and frequency mixer is as this component
Key modules play the important function for determining assembly quality.At present on the market used in frequency mixer, in gain and the linearity
The demand for being difficult to be completed at the same time high quality in performance guarantees, most-often used double balanced mixer, and before sacrificing gain
It puts to ensure the linearity.
For the problems in the relevant technologies, currently no effective solution has been proposed.
Utility model content
For the problems in the relevant technologies, the utility model proposes a kind of ultra wide bands to be mixed chip circuit, existing to overcome
Above-mentioned technical problem present in the relevant technologies.
The technical solution of the utility model is achieved in that
A kind of ultra wide band mixing chip circuit, including transistor Q1, transistor Q2, transistor Q3, transistor Q4, transistor
Q5, transistor Q6, transistor Q7, transistor Q8, resistance R1, resistance R2, resistance R3, wherein one end of the resistance R1 and institute
Voltage V_in connection is stated, the other end of the resistance R1 is connect with the second pin of the transistor Q1, the transistor Q1's
Third pin is connect with one end of the resistance R2, and the other end of the resistance R2 draws with the first of the transistor Q4 respectively
Foot, the first pin of the transistor Q2, the second pin of the transistor Q6, the voltage V0+ connection, the transistor Q1
The first pin connect with one end of the resistance R3, third of the other end of the resistance R3 respectively with the transistor Q3 is drawn
Foot, the third pin of the transistor Q5, the second pin of the transistor Q7, the voltage V0- connection, the transistor Q2
Second pin connect with the voltage L0+ with the second pin of the transistor Q5, the second pin of the transistor Q3
Connect with the voltage L0- with the second pin of the transistor Q4, the third pin of the transistor Q2 respectively with it is described
The first pin of transistor Q3, the transistor Q6 the first pin connection, the third pin of the transistor Q4 respectively with institute
State the third pin connection of the first pin of transistor Q5, the transistor Q7, the third pin of the transistor Q6 respectively with
The first pin connection of the first pin of the transistor Q7, the transistor Q8, the second pin of the transistor Q8 and institute
State voltage V_out connection, the third pin ground connection of the transistor Q8.
Further, the resistance value of the resistance R1 is 51 Ohm.
Further, the resistance value of the resistance R2 and the resistance R3 are 1k Ohm.
Further, the transistor Q1 and the transistor Q2, the transistor Q3, the transistor Q4, the crystal
Pipe Q5, the transistor Q6, the transistor Q7, the transistor Q8 model be N-channel junction type crystal field effects pipe.
The utility model has the following beneficial effects: utilizing the electronics member compared with based on based on gilbert's mixing principle
Device connection, completes the Frequency mixing processing chip of wider frequency rate section, while having that noise is lower and the higher advantage of the linearity concurrently, very
It is suitble to use in various midget receivers.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.
Fig. 1 is to be mixed chip circuit according to a kind of ultra wide band of the utility model embodiment.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art's every other embodiment obtained, all belongs to
In the range of the utility model protection.
Embodiment according to the present utility model provides a kind of ultra wide band mixing chip circuit.
As shown in Figure 1, being mixed chip circuit, including transistor Q1, crystal according to the ultra wide band of the utility model embodiment
Pipe Q2, transistor Q3, transistor Q4, transistor Q5, transistor Q6, transistor Q7, transistor Q8, resistance R1, resistance R2, resistance
R3, wherein one end of the resistance R1 is connect with the voltage V_in, and the other end of the resistance R1 is with the transistor Q1's
Second pin connection, the third pin of the transistor Q1 are connect with one end of the resistance R2, the other end of the resistance R2
Respectively with the first pin of the transistor Q4, the first pin of the transistor Q2, the second pin of the transistor Q6, institute
Voltage V0+ connection is stated, the first pin of the transistor Q1 is connect with one end of the resistance R3, the other end of the resistance R3
Respectively with the third pin of the transistor Q3, the third pin of the transistor Q5, the second pin of the transistor Q7, institute
Voltage V0- connection is stated, the second pin of the transistor Q2 and the second pin of the transistor Q5 connect with the voltage L0+
It connects, the second pin of the transistor Q3 is connect with the voltage L0- with the second pin of the transistor Q4, the crystal
The third pin of pipe Q2 is connect with the first pin of the first pin of the transistor Q3, the transistor Q6 respectively, the crystalline substance
The third pin of body pipe Q4 is connect with the third pin of the first pin of the transistor Q5, the transistor Q7 respectively, described
The third pin of transistor Q6 is connect with the first pin of the first pin of the transistor Q7, the transistor Q8 respectively, institute
The second pin for stating transistor Q8 is connect with the voltage V_out, the third pin ground connection of the transistor Q8.
In one embodiment, the resistance value of the resistance R1 is 51 Ohm.
In one embodiment, the resistance value of the resistance R2 and the resistance R3 are 1k Ohm.
In one embodiment, the transistor Q1 and the transistor Q2, the transistor Q3, the transistor Q4,
The transistor Q5, the transistor Q6, the transistor Q7, the transistor Q8 model be N-channel junction type crystalline field
Effect pipe.
Working principle: the high frequency input port of transistor Q1, resistance R1, resistance R2 and resistance R3 composition mixing chip.It is described
The effect of resistance R1 is stabling current, eliminates the influence of noise in circuit.The effect of the transistor Q1 is that stabilization receives wideband
The input signal of rate band.
Transistor Q2, transistor Q3, transistor Q4 and transistor Q5 composition are mixed the differential input and output amplifier of chip.
The effect of the transistor is the unlike signal area that transmission signaling zone to input port separates high and low frequency, and will both exist
It is separated with the help of differential principle, the basic function of frequency mixer will be completed after this step.
The Differential Output mouth of transistor Q6, transistor Q7 and transistor Q8 composition mixing chip.The transistor it is main
Effect is to complete the intermediate-freuqncy signal separation of frequency mixer, and final output intermediate-freuqncy signal.
In conclusion by means of the above-mentioned technical proposal of the utility model, by designing a kind of ultra wide band mixing chip electricity
Road is mixed principle using gilbert, has devised the more convenient difference channel used by the component on basis and completes height
Low frequency signal separation, and by using the N-channel technotron of same model, widen the frequency band model of processing signal
It encloses, on the basis of guaranteeing high linearity, reduces the loss of separation different frequency.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (4)
1. a kind of ultra wide band is mixed chip circuit, which is characterized in that including transistor Q1, transistor Q2, transistor Q3, transistor
Q4, transistor Q5, transistor Q6, transistor Q7, transistor Q8, resistance R1, resistance R2, resistance R3, wherein the resistance R1's
One end is connect with the voltage V_in, and the other end of the resistance R1 is connect with the second pin of the transistor Q1, the crystalline substance
The third pin of body pipe Q1 is connect with one end of the resistance R2, and the other end of the resistance R2 is respectively with the transistor Q4's
First pin, the first pin of the transistor Q2, the second pin of the transistor Q6, the voltage V0+ connection, the crystalline substance
The first pin of body pipe Q1 is connect with one end of the resistance R3, and the other end of the resistance R3 is respectively with the transistor Q3's
Third pin, the third pin of the transistor Q5, the second pin of the transistor Q7, the voltage V0- connection, the crystalline substance
The second pin of body pipe Q2 is connect with the voltage L0+ with the second pin of the transistor Q5, and the of the transistor Q3
Two pins are connect with the voltage L0- with the second pin of the transistor Q4, the third pin difference of the transistor Q2
It is connect with the first pin of the first pin of the transistor Q3, the transistor Q6, the third pin point of the transistor Q4
It is not connect with the third pin of the first pin of the transistor Q5, the transistor Q7, the third pin of the transistor Q6
It is connect respectively with the first pin of the first pin of the transistor Q7, the transistor Q8, the second of the transistor Q8 is drawn
Foot is connect with the voltage V_out, the third pin ground connection of the transistor Q8.
2. a kind of ultra wide band according to claim 1 is mixed chip circuit, which is characterized in that the resistance value of the resistance R1 is
51 Ohm。
3. a kind of ultra wide band according to claim 1 is mixed chip circuit, which is characterized in that the resistance R2 and the electricity
The resistance value for hindering R3 is 1k Ohm.
4. a kind of ultra wide band according to claim 1 is mixed chip circuit, which is characterized in that the transistor Q1 with it is described
Transistor Q2, the transistor Q3, the transistor Q4, the transistor Q5, the transistor Q6, the transistor Q7, institute
The model for stating transistor Q8 is N-channel junction type crystal field effects pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822018047.7U CN209030160U (en) | 2018-12-04 | 2018-12-04 | A kind of ultra wide band mixing chip circuit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201822018047.7U CN209030160U (en) | 2018-12-04 | 2018-12-04 | A kind of ultra wide band mixing chip circuit |
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| CN209030160U true CN209030160U (en) | 2019-06-25 |
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| CN201822018047.7U Active CN209030160U (en) | 2018-12-04 | 2018-12-04 | A kind of ultra wide band mixing chip circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021169927A1 (en) * | 2020-02-29 | 2021-09-02 | 昆山普尚电子科技有限公司 | Mixer effective supply voltage calculation method |
-
2018
- 2018-12-04 CN CN201822018047.7U patent/CN209030160U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021169927A1 (en) * | 2020-02-29 | 2021-09-02 | 昆山普尚电子科技有限公司 | Mixer effective supply voltage calculation method |
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