CN206894589U - A kind of Ka wave bands quadruple chip - Google Patents
A kind of Ka wave bands quadruple chip Download PDFInfo
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- CN206894589U CN206894589U CN201720852636.8U CN201720852636U CN206894589U CN 206894589 U CN206894589 U CN 206894589U CN 201720852636 U CN201720852636 U CN 201720852636U CN 206894589 U CN206894589 U CN 206894589U
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Abstract
It the utility model is related to frequency multiplier technical field, in particular the utility model discloses a kind of Ka wave bands quadruple chip, include fundamental wave amplifier, quadrupler, Ka wave filters, four-time harmonic amplifier, described Ka wave band quadruple chips use structure type for, amplification, frequency multiplication, filtering, the scheme amplified again, realize from X-band by amplifying, drive quadrupler, again in quadruple to Ka frequency bands, device after filtering, further filtering clutter, then carry out the amplification in 34 36GHz frequency bands.The quadruple device, the double frequency function of the wave band from X to Ka is realized, has reached 16dBm power output, and power flatness is preferable, with good each harmonic degree of suppression, 55dBc is reached, reliable signal source can be provided for systems such as Ka band receptions, transmittings.
Description
Technical field
Frequency multiplier technical field is the utility model is related to, specially a kind of Ka wave bands quadruple chip.
Background technology
Quadrupler is mainly used in the design of frequency source, and in the higher millimere-wave band of frequency, conventional meanses are difficult to directly produce
Local vibration source needed for raw receiver, emitter.A kind of frequency multiplier chip is needed to obtain Ka and the above source, so that it can be used
In fields such as electronic communication, radar, electronic countermeasures.
Utility model content
The purpose of this utility model is to provide a kind of Ka wave bands quadruple chip, to solve to propose in above-mentioned background technology
The problem of.The Ka wave bands quadruple chip has preferable power flatness, each harmonic degree of suppression, can be that Ka wave bands connect
Sending and receiving the system such as penetrate and provide reliable signal source feature.
To achieve the above object, the utility model provides following technical scheme：
A kind of Ka wave bands quadruple chip, include fundamental wave amplifier, quadrupler, Ka wave filters, four-time harmonic amplification
Device, the signal output part of the fundamental wave amplifier are connected to the signal input part of quadrupler, and the signal of the quadrupler is defeated
Go out the signal input part that end is connected to Ka wave filters, the signal output part of the Ka wave filters is connected to four-time harmonic amplifier
Signal input part.
Compared with prior art, the beneficial effects of the utility model are：Circuit structure is simple, is integrated with amplification, frequency multiplication, filter
Multiple functions such as ripple, have output frequency high, quadrupler, and output power, harmonics restraint degree are realized in ka wave bands
The advantages that high and size is small, realizes the Ka wave band local vibration sources that traditional circuit is difficult to.
Brief description of the drawings
Fig. 1 is the utility model circuit block diagram；
Fig. 2 is the circuit theory diagrams of the utility model fundamental wave amplifier；
Fig. 3 is the circuit theory diagrams of the utility model quadrupler；
Fig. 4 is the circuit theory diagrams of the utility model harmonic amplifier；
Fig. 5 is the circuit theory diagrams of the utility model wave filter.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Referring to Fig. 1, the utility model provides a kind of technical scheme：
A kind of Ka wave bands quadruple chip, include fundamental wave amplifier, quadrupler, Ka wave filters, four-time harmonic amplification
Device, the signal output part of the fundamental wave amplifier are connected to the signal input part of quadrupler, and the signal of the quadrupler is defeated
Go out the signal input part that end is connected to Ka wave filters, the signal output part of the Ka wave filters is connected to four-time harmonic amplifier
Signal input part.
Described Ka wave bands (34-36GHz) quadruple chip uses structure type amplification, frequency multiplication, to filter, then amplify
Scheme, realize from X-band by amplifying, driving quadrupler, again in quadruple to Ka frequency bands, device, more enters after filtering
One step filtering clutter, then carry out the amplification in 34-36GHz frequency bands.The quadruple device, realize the frequency multiplication of the wave band from X to Ka
Function, 16dBm power output is reached, and power flatness is preferable, has good each harmonic degree of suppression, reaches
55dBc。
X-band input signal, by input (IN), by electric capacity, the fundamental wave amplifying device of the first order, gain reaches
14dB so that fundamental wave amplifier exports more than 11dBm power；Go to drive quadruple, quadrupler is by carefully design, to inclined
Put the selection of voltage so that the mode of four times of harmonic components maximum slopes exports quadruple signal, while is adopted in quadruple input
Matched with by fundamental wave, second harmonic, the structure that four minor matters are suppressed；Output, then take minor matters and suppress 2 times, 4 times humorous
Ripple, while also there are minor matters to suppress 1 time, 3 times, the odd harmonic of 5 times, match 4 subharmonic compositions.It is then one by Ka
Bandpass filter, ensure to pass through with interior 34-36GHz signals, suppress other signal components.Finally, it is to quadruple signal
Device be amplified output, through electric capacity, exported by its output end (OUT).Ensure that power output reaches 16dBm, carried out three
Level Enlargement Design, on the basis of ensureing output gain 21dB, output saturation power is more than 16.5dBm.
Its fundamental wave amplifier section is that one-stage amplifier is as shown in Figure 2.Its quadrupler is as shown in Figure 3.Its Harmonics amplification portion
Divide as shown in Figure 4.
Such as Fig. 1, Ka wave bands (34-36GHz) quadruple chip body is made up of four parts.Fundamental wave amplifying circuit, four times
Frequency device circuit, wave filter, four-time harmonic amplifying circuit are formed.
As shown in Fig. 2 the fundamental wave amplifying circuit schematic diagram part of Ka wave bands (34-36GHz) quadruple chip.Include one
Individual one-stage amplifier part, the one-stage amplifier part use the pHEMT of depletion type, and drain-source separately powers up, input and output conjugate impedance match,
So that output saturation power is more than 14dBm.
As shown in figure 3, Ka wave bands (34-36GHz) quadruple chip, frequency multiplier component, employs active pHEMT (V2),
Vg=-1.4V is biased in, the selection of this biasing make it that the component content of four-time harmonic is maximum.Input has carried out input conjugation
Matching, microwave signal maximum is input to the pHEMT of quadruple, input to 2 times, 4 subharmonic short circuit minor matters, to 2 times, 4
Subharmonic reflects, and output end matches to 4 subharmonic, to other 1 time, 3 times；2 times, 4 times, 6 inferior harmonic waves are reflected；
34-36GHz, bandpass filtering is carried out, out of band signal has been suppressed.
As shown in figure 4, the circuit structure of the four-time harmonic amplification of Ka wave bands (34-36GHz) quadruple chip.The amplifier
Be made up of third stage amplifier, before two-stage designed according to input and output conjugate impedance match, afterbody sets according to demanded power output
Meter.In Fig. 4 circuit, V3, V4, V5 are 2*50,2*50,4*50 size respectively, have been connected before the first order, the second level one
Small resistor, it is the consideration of stability Design；Power-up per one-level, all it is the mode that drain electrode, grid separately power up, therefore in DC terminal
The effect of containment radiofrequency signal is served using microstrip line, reaches direct current and the separated purpose of radio frequency.In circuit realiration band
The amplification of signal, the power of output signal is in more than 16dBm.
The utility model is further described below in conjunction with Fig. 1：
1st, crucial quadruple part, the suppression to each harmonic, and matching to four-time harmonic are crucial.Four times
Frequency part carries out suitable offset design to pHEMT pipes, and using the nonlinear effect of device, the four-time harmonic for producing maximum divides
Amount.
2nd, the input of quadruple is suppressed to 2 times, 4 subharmonic respectively by a quarter microstrip line；Output end is led to
Same principle is crossed, 1,3,5 order harmonic components are suppressed, 2 subharmonic are suppressed, 4 subharmonic are matched.
3rd, in order to carry out the suppression of out of band components, among quadrupler harmony twt amplifier, bandpass filter is added,
Completed in the form of LC structures；Physical circuit is as shown in Figure 5；
4th, harmonic amplifier is that caused four-time harmonic is amplified, and reaches 16dBm power levels；
5th, the utility model employs new source and produces structure, solves the problems, such as Ka wave band 34-36GHz sources.For milli
The reception of VHF band and emission system provide reliable local vibration source solution.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (1)
1. a kind of Ka wave bands quadruple chip, includes fundamental wave amplifier, quadrupler, Ka wave filters, four-time harmonic amplifier,
It is characterized in that：The signal output part of the fundamental wave amplifier is connected to the signal input part of quadrupler, the quadrupler
Signal output part be connected to the signal input parts of Ka wave filters, the signal output part of the Ka wave filters is connected to four-time harmonic
The signal input part of amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720852636.8U CN206894589U (en) | 2017-07-14 | 2017-07-14 | A kind of Ka wave bands quadruple chip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720852636.8U CN206894589U (en) | 2017-07-14 | 2017-07-14 | A kind of Ka wave bands quadruple chip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206894589U true CN206894589U (en) | 2018-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720852636.8U Active CN206894589U (en) | 2017-07-14 | 2017-07-14 | A kind of Ka wave bands quadruple chip |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108449052A (en) * | 2018-05-25 | 2018-08-24 | 成都英微特微波技术有限公司 | A kind of W-waveband High Degree Frequency Multiplier |
| CN116886054A (en) * | 2023-09-05 | 2023-10-13 | 成都嘉纳海威科技有限责任公司 | High-harmonic suppression frequency multiplication amplification multifunctional chip |
-
2017
- 2017-07-14 CN CN201720852636.8U patent/CN206894589U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108449052A (en) * | 2018-05-25 | 2018-08-24 | 成都英微特微波技术有限公司 | A kind of W-waveband High Degree Frequency Multiplier |
| CN116886054A (en) * | 2023-09-05 | 2023-10-13 | 成都嘉纳海威科技有限责任公司 | High-harmonic suppression frequency multiplication amplification multifunctional chip |
| CN116886054B (en) * | 2023-09-05 | 2023-12-22 | 成都嘉纳海威科技有限责任公司 | High-harmonic suppression frequency multiplication amplification multifunctional chip |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 230088 building e, Anhui scientific and technological achievements transformation demonstration base, No. 425, Chuangxin Avenue, high tech Zone, Hefei, Anhui Patentee after: Hefei Silicon Valley Microelectronics Co.,Ltd. Address before: Room 1001-1002, F1 building, phase II, innovation industrial park, 2800 innovation Avenue, high tech Zone, Hefei City, Anhui Province, 230088 Patentee before: HEFEI IC VALLEY MICROELECTRONICS Co.,Ltd. |
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| CP03 | Change of name, title or address |