CN107863943A - A kind of Novel resistor bias pulse generator and method for generation - Google Patents
A kind of Novel resistor bias pulse generator and method for generation Download PDFInfo
- Publication number
- CN107863943A CN107863943A CN201711261925.1A CN201711261925A CN107863943A CN 107863943 A CN107863943 A CN 107863943A CN 201711261925 A CN201711261925 A CN 201711261925A CN 107863943 A CN107863943 A CN 107863943A
- Authority
- CN
- China
- Prior art keywords
- diode
- snap
- mrow
- electric capacity
- main road
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H5/00—One-port networks comprising only passive electrical elements as network components
Abstract
The present invention proposes a kind of Novel resistor bias pulse generator, successively by the first earth electric capacity, the first main road series inductance, it is in parallel that snap-off diode forms over the ground for biasing resistor, the second main road series inductance, the second earth electric capacity and main road over the ground, wherein the first earth electric capacity, the first main road series inductance, the second main road series inductance, the second earth electric capacity form low pass filter；After the low-pass filtered device of signal filters out spurious signal, directly excitation snap-off diode produces each harmonic signal, and biasing resistor over the ground in parallel is placed in the centre position of the first earth electric capacity and the second earth electric capacity, and DC loop is provided to snap-off diode.The Novel resistor bias pulse generator of the present invention simplifies circuit structure, introduces resistance to earth biasing, greatly reduces the high power amplitude requirement needed for impulse generator, reduce the cost of microwave frequency counter complete machine, improve the reliability of complete machine.
Description
Technical field
The present invention relates to signal generator field, more particularly to a kind of Novel resistor bias pulse generator, one is further related to
Kind Novel resistor bias pulse method for generation.
Background technology
At present, conventional impulse generator is typically by LC low pass filters, snap-off diode SRD, ground connection bias inductors etc.
There is difficult matching and the problem of big be lost in composition, the circuit structure, require that signal has sufficiently large power even when in use
It is required that power reaches 1W, so as to cause the cost of complete machine to improve, and under high power state complete machine reliability it is poor.
As shown in figure 1, existing inductance bias pulse generator circuit is mainly by direct-to-ground capacitance C1 and C2, main road series inductance
L1 and L2, over the ground inductance L3 and ground connection snap-off diode SRD compositions, wherein electric capacity C1, C2 and inductance L1, L2 collectively constitute low
Bandpass filter LPF, grounded inductor L3 can not only give snap-off diode SRD to provide DC loop, it is necessary to which inductance value is suitable, subtracts
The transmission loss that its small introducing is brought.
The operation principle of above-mentioned impulse generator is：After high-power signal is added to Port ports, spurious signal is filtered through LPF
Afterwards, the ground connection snap-off diode SRD with inductance biasing networks is reached, encourages it to produce each harmonic signal of certain amplitude.
The technical disadvantages of existing inductance bias pulse generator are：
(1) inductance L3 can have an impact to low pass filter LPF cut-off frequency and channel attenuation, so as to cause LPF pairs
Signal produces larger loss.
(2) although L3 can give snap-off diode SRD to provide DC loop, due to needing that inductance value is adjusted
Section, so as to cause circuit conformity of production to be deteriorated.
(3) because prior art requires high signal amplitude, the cost of microwave frequency counter complete machine is caused to improve, and complete machine can
It is poor by property.
The content of the invention
To solve above-mentioned the deficiencies in the prior art, the present invention proposes a kind of Novel resistor bias pulse generator and generation
Method, remove inductance L3 over the ground, simplify circuit structure, reduce influence of the perceptual device to low pass filter ADC circuit, improve filter
Ripple device pass-band loss；While snap-off diode SRD DC loops are provided, reduce device and introduce to pulse-generator circuit
Influence, improve signal transmission attenuation, improve the reliability and productivity of microwave frequency counter complete machine；Utilize the pulse generation of the present invention
Device, the power magnitude requirement of port signal can be reduced.
The technical proposal of the invention is realized in this way：
A kind of Novel resistor bias pulse generator, successively by the first earth electric capacity, the first main road series inductance, simultaneously
Snap-off diode forms connection over the ground for biasing resistor, the second main road series inductance, the second earth electric capacity and main road over the ground, its
In the first earth electric capacity, the first main road series inductance, the second main road series inductance, the second earth electric capacity form low pass
Wave filter；
After the low-pass filtered device of signal filters out spurious signal, directly excitation snap-off diode produces each harmonic signal, and
Join the centre position that biasing resistor over the ground is placed in the first earth electric capacity and the second earth electric capacity, carried to snap-off diode
For DC loop.
Alternatively, in parallel biasing resistor over the ground and snap-off diode it is parameter-embedded between the following relation of presence：
Wherein, CJFor the junction capacity of snap-off diode, τ is the minority carrier life time of snap-off diode, and f is frequency input signal, tt
For the rise time of snap-off diode.
The invention also provides a kind of Novel resistor bias pulse method for generation, low pass filter by first and couples successively
Ground electric capacity, the first main road series inductance, the second main road series inductance, the second earth electric capacity and the main road pole of step two over the ground
Pipe forms；
After the low-pass filtered device of signal filters out spurious signal, directly excitation snap-off diode produces each harmonic signal, and
Join the centre position that biasing resistor over the ground is placed in the first earth electric capacity and the second earth electric capacity, carried to snap-off diode
For DC loop.
Alternatively, in parallel biasing resistor over the ground and snap-off diode it is parameter-embedded between the following relation of presence：
Wherein, CJFor the junction capacity of snap-off diode, τ is the minority carrier life time of snap-off diode, and f is frequency input signal, tt
For the rise time of snap-off diode.
The beneficial effects of the invention are as follows：
(1) simplify circuit, introduce resistance to earth biasing, the high power amplitude greatly reduced needed for impulse generator will
Ask, reduce the cost of microwave frequency counter complete machine, improve the reliability of complete machine；
(2) signal transmission attenuation is significantly improved, enhances the practicality of impulse generator.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of existing inductance bias pulse generator；
Fig. 2 is a kind of schematic diagram of Novel resistor bias pulse generator of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Impulse generator, which utilizes, has point-frequency signal powerful enough by promoting step to recover after low pass filter LPF
Diode (SRD, Step recovery diode, abbreviation snap-off diode) is to produce each harmonic and meet certain output
Power requirement.At present in impulse generator design, it is crucial that design suitable circuit, make snap-off diode SRD with it is low
The impedance matching having between bandpass filter LPF, reduce transmission damage when high-power input signal reaches snap-off diode SRD
Consumption.
The present invention proposes a kind of Novel resistor bias pulse generator, it is possible to achieve snap-off diode SRD and LPF
Device LPF matched well, and DC loop can be provided for snap-off diode SRD, so as to improve efficiency of transmission, reduce transmission damage
Consumption.The present invention is to realize the radio-frequency front-end microwave components of high performance microwave wide-range frquency meter, and it is low, reliable that it provides a kind of loss
Property high, debugging is simple and cost is cheap high-performance radio-frequency front end solutions.
As shown in Fig. 2 the present invention proposes a kind of Novel resistor bias pulse generator, successively by earth electric capacity
C1, main road series inductance L1, biasing resistor R1, main road series inductance L2, earth electric capacity C2 and main road pair over the ground in parallel
Ground snap-off diode SRD is formed, wherein earth electric capacity C1, main road series inductance L1, main road series inductance L2, earth
Electric capacity C2 forms low pass filter LPF.
The present invention basic functional principle be：After the low-pass filtered device LPF of signal filters out spurious signal, directly excitation step
Diode SRD produces each harmonic signal with certain amplitude.In the circuit structure, biasing resistor R1 over the ground in parallel is placed in
Earth electric capacity C1 and C2 centre position, DC loop is provided to snap-off diode SRD.As shown in Fig. 2 R1 one end is placed in
Inductance L1 and L2 common port, other end ground connection.
Biasing resistor R1 and snap-off diode SRD it is parameter-embedded between the following relation of presence：
Wherein, CJFor snap-off diode SRD junction capacity, τ is snap-off diode SRD minority carrier life time, and f is input signal
Frequency, ttFor snap-off diode SRD rise time.
Because biasing resistor R1 over the ground in parallel is placed among two-stage direct-to-ground capacitance C1 and C2, apart from snap-off diode SRD compared with
Far, so as to which the influence parameter-embedded to snap-off diode is smaller, design difficulty is reduced.
Biasing resistor R1 over the ground in parallel is smaller to low pass filter LPF cut-off frequency and the influence of pass-band loss, so as to
Reduce the power magnitude requirement of pulse generator signal.
After the low-pass filtered device LPF of signal, directly excitation snap-off diode SRD, arrival snap-off diode is substantially increased
SRD excitation amplitude, so that caused each harmonic signal power amplitude increases.
To sum up, a kind of Novel resistor bias pulse generator designed by the present invention, simplify circuit, it is inclined to introduce resistance to earth
Put, greatly reduce the high power amplitude requirement needed for impulse generator, reduce the cost of microwave frequency counter complete machine, improve
The reliability of complete machine.
The pulse-generator circuit structure of the present invention significantly improves signal transmission attenuation, enhances the reality of impulse generator
The property used.
The invention also provides a kind of Novel resistor bias pulse method for generation, its operation principle and above-mentioned pulse generation electricity
Road is identical, repeats no more here.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.
Claims (4)
1. a kind of Novel resistor bias pulse generator, it is characterised in that successively by the first earth electric capacity, the first main road string
Join inductance, biasing resistor, the second main road series inductance, the second earth electric capacity and the main road over the ground in parallel pole of step two over the ground
Pipe forms, wherein the first earth electric capacity, the first main road series inductance, the second main road series inductance, the second earth are electric
Hold and form low pass filter；
After the low-pass filtered device of signal filters out spurious signal, directly excitation snap-off diode produces each harmonic signal, in parallel right
Ground biasing resistor is placed in the centre position of the first earth electric capacity and the second earth electric capacity, is provided to snap-off diode straight
Flow back to road.
A kind of 2. Novel resistor bias pulse generator as claimed in claim 1, it is characterised in that
In parallel biasing resistor over the ground and snap-off diode it is parameter-embedded between the following relation of presence：
<mrow>
<mi>R</mi>
<mn>1</mn>
<mo>=</mo>
<mrow>
<mo>(</mo>
<mfrac>
<mrow>
<mn>10</mn>
<mo>*</mo>
<msup>
<mrow>
<mo>(</mo>
<mi>f</mi>
<mo>*</mo>
<msub>
<mi>t</mi>
<mi>t</mi>
</msub>
<mo>)</mo>
</mrow>
<mn>2</mn>
</msup>
</mrow>
<msub>
<mi>C</mi>
<mi>J</mi>
</msub>
</mfrac>
<mo>)</mo>
</mrow>
<mo>*</mo>
<mi>&tau;</mi>
</mrow>
Wherein, CJFor the junction capacity of snap-off diode, τ is the minority carrier life time of snap-off diode, and f is frequency input signal, ttFor rank
The rise time of jump diode.
3. a kind of Novel resistor bias pulse method for generation, it is characterised in that low pass filter is successively by the first earth electricity
Appearance, the first main road series inductance, the second main road series inductance, the second earth electric capacity and main road snap-off diode group over the ground
Into；
After the low-pass filtered device of signal filters out spurious signal, directly excitation snap-off diode produces each harmonic signal, in parallel right
Ground biasing resistor is placed in the centre position of the first earth electric capacity and the second earth electric capacity, is provided to snap-off diode straight
Flow back to road.
A kind of 4. Novel resistor bias pulse method for generation as claimed in claim 1, it is characterised in that
In parallel biasing resistor over the ground and snap-off diode it is parameter-embedded between the following relation of presence：
<mrow>
<mi>R</mi>
<mn>1</mn>
<mo>=</mo>
<mrow>
<mo>(</mo>
<mfrac>
<mrow>
<mn>10</mn>
<mo>*</mo>
<msup>
<mrow>
<mo>(</mo>
<mi>f</mi>
<mo>*</mo>
<msub>
<mi>t</mi>
<mi>t</mi>
</msub>
<mo>)</mo>
</mrow>
<mn>2</mn>
</msup>
</mrow>
<msub>
<mi>C</mi>
<mi>J</mi>
</msub>
</mfrac>
<mo>)</mo>
</mrow>
<mo>*</mo>
<mi>&tau;</mi>
</mrow>
Wherein, CJFor the junction capacity of snap-off diode, τ is the minority carrier life time of snap-off diode, and f is frequency input signal, ttFor rank
The rise time of jump diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711261925.1A CN107863943B (en) | 2017-12-04 | 2017-12-04 | Resistance bias pulse generator and generation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711261925.1A CN107863943B (en) | 2017-12-04 | 2017-12-04 | Resistance bias pulse generator and generation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107863943A true CN107863943A (en) | 2018-03-30 |
| CN107863943B CN107863943B (en) | 2020-10-27 |
Family
ID=61704555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711261925.1A Active CN107863943B (en) | 2017-12-04 | 2017-12-04 | Resistance bias pulse generator and generation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107863943B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010206711A (en) * | 2009-03-05 | 2010-09-16 | Furukawa Electric Co Ltd:The | Impulse generating circuit |
| US8355453B2 (en) * | 2008-12-16 | 2013-01-15 | Lawrence Livermore National Security, Llc | UWB transmitter |
| CN103326696A (en) * | 2013-06-20 | 2013-09-25 | 中国科学院空间科学与应用研究中心 | Ultra-wide band impulsator |
| CN203278774U (en) * | 2013-04-22 | 2013-11-06 | 李冀 | SRD-based second-order differential Gaussian pulse generator |
| CN103929216A (en) * | 2014-04-30 | 2014-07-16 | 郑州联睿电子科技有限公司 | Communication device based on carrier-free pulse ultra-wide-band active positioning tag |
| CN205792524U (en) * | 2016-05-25 | 2016-12-07 | 成都远望科技有限责任公司 | Radar clock multiplier based on step-recovery diode |
| CN106898946A (en) * | 2017-01-20 | 2017-06-27 | 华东师范大学 | For the turnable pulse width formula pulse generating circuit of semiconductor laser |
-
2017
- 2017-12-04 CN CN201711261925.1A patent/CN107863943B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8355453B2 (en) * | 2008-12-16 | 2013-01-15 | Lawrence Livermore National Security, Llc | UWB transmitter |
| JP2010206711A (en) * | 2009-03-05 | 2010-09-16 | Furukawa Electric Co Ltd:The | Impulse generating circuit |
| CN203278774U (en) * | 2013-04-22 | 2013-11-06 | 李冀 | SRD-based second-order differential Gaussian pulse generator |
| CN103326696A (en) * | 2013-06-20 | 2013-09-25 | 中国科学院空间科学与应用研究中心 | Ultra-wide band impulsator |
| CN103929216A (en) * | 2014-04-30 | 2014-07-16 | 郑州联睿电子科技有限公司 | Communication device based on carrier-free pulse ultra-wide-band active positioning tag |
| CN205792524U (en) * | 2016-05-25 | 2016-12-07 | 成都远望科技有限责任公司 | Radar clock multiplier based on step-recovery diode |
| CN106898946A (en) * | 2017-01-20 | 2017-06-27 | 华东师范大学 | For the turnable pulse width formula pulse generating circuit of semiconductor laser |
Non-Patent Citations (1)
| Title |
|---|
| 代秀等: ""太赫兹宽带分谐波混频器设计"", 《微波学报》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107863943B (en) | 2020-10-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201976076U (en) | Diplexer | |
| CN104112889B (en) | Broadband belt resistance highly selective filter | |
| CN105007044B (en) | A kind of harmonic-rejection mixer | |
| CN109617530A (en) | A kind of push-push note locking-type frequency multiplier circuit | |
| CN103873021B (en) | Radio frequency limiter protection circuit | |
| CN107863943A (en) | A kind of Novel resistor bias pulse generator and method for generation | |
| CN205961073U (en) | A double frequency -band band pass filter for laser rangefinder | |
| CN103546099B (en) | Harmonic-rejection mixer | |
| CN104412510B (en) | Acoustic wave device and wave splitter device | |
| CN205792524U (en) | Radar clock multiplier based on step-recovery diode | |
| CN108768302A (en) | One kind removing three injection locking frequency dividers | |
| CN107453731A (en) | A kind of radio-frequency power synthesizer | |
| CN106209018A (en) | A kind of high-power band filter of ground radar | |
| CN202153722U (en) | Frequency multiplication circuit | |
| CN105958944A (en) | Terahertz frequency-doubled balanced type frequency multiplication circuit | |
| CN206727960U (en) | A kind of orthogonal voltage-controlled vibrator circuit based on second harmonic Cross-injection locking technology | |
| CN104967436A (en) | Circuit for improving performance of mobile terminal | |
| CN204992586U (en) | Second order three -phase four -wire active power filter device output filter | |
| CN207652403U (en) | A kind of electrically tunable filter and communication terminal | |
| CN108574471A (en) | Fully integrated harmonic filter for rf power amplifier circuit | |
| CN202856698U (en) | Novel broadband phase shifter | |
| CN102969553B (en) | Balun device | |
| CN105765863B (en) | A kind of power amplifier stabilizing circuit and transmitter | |
| CN102355228A (en) | Multi-channel lowpass filter | |
| CN207304536U (en) | A kind of radiofrequency signal imput output circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |