CN105375906B - Clipping unit circuit and mounting device, single-stage amplitude limiter circuit and limiter - Google Patents
Clipping unit circuit and mounting device, single-stage amplitude limiter circuit and limiter Download PDFInfo
- Publication number
- CN105375906B CN105375906B CN201510721152.5A CN201510721152A CN105375906B CN 105375906 B CN105375906 B CN 105375906B CN 201510721152 A CN201510721152 A CN 201510721152A CN 105375906 B CN105375906 B CN 105375906B
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- Prior art keywords
- limiter
- circuit
- pin
- diode
- clipping unit
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Classifications
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K5/01—Shaping pulses
- H03K5/08—Shaping pulses by limiting; by thresholding; by slicing, i.e. combined limiting and thresholding
Abstract
The present invention relates to a kind of raising Microwave Hybrids to integrate clipping unit circuit, single-stage amplitude limiter circuit and the limiter that PIN limiter bears power, pass through PIN limiter diode of connecting in clipping unit circuit, and it applies it in single-stage amplitude limiter circuit and limiter, to promote the ability that limiter bears power, series circuit reduces direct-to-ground capacitance simultaneously, therefore can improve the working frequency and bandwidth of operation of microwave limiter circuit.
Description
Technical field
PIN limiter is integrated the present invention relates to microwave limiter technical field more particularly to a kind of raising Microwave Hybrid to hold
By the clipping unit circuit of power, single-stage amplitude limiter circuit and limiter.
Background technique
In wireless communications, transmitter emits radio signal, and receiver receives radio signal.Generally, communication away from
From wanting remote, transmitter power is the bigger the better；And receiver front end then requires sensitivity that the higher the better, therefore receiver front end can
The power very little of receiving, possible high-power signal enters receiver front end and burns receiver in order to prevent, generally in receiver
It needs to design limiter in front-end circuit and protects small signal receiver circuit, especially in radar receiver, radar transmitter
Power leakage, situations such as the signal reflex of large area reverberation, high-power irradiation of the short distance of other side's radar etc., can all connect
Receipts machine front-end circuit causes high-power signal to input, therefore large power microwave amplitude limiter is that protection radar receiver front end must can not
Few device.
Can generally there are discharge tube and PIN limiter with the microwave limiter of effective protection radar receiver.It is limited using PIN
The microwave limiter of width diode design generallys use multistage PIN limiter diode parallel circuit, referring to Fig. 1 circuit diagram.Microwave
High-power signal is decayed step by step when passing through limiter, therefore it is mainly the first order that power is born in the input of microwave limiter
What the receiving power characteristic of PIN limiter diode determined, generally, the receiving power of PIN limiter diode is higher, then two
The junction capacity of pole pipe is bigger, and the junction capacity of diode increases, and directly limits the working frequency and work of microwave limiter circuit
Make bandwidth.If first order amplitude limiter circuit is promoted limiter using the method for multiple PIN limiter diode parallel connections and bears power
Ability, be also equal to the direct-to-ground capacitance for increasing first order amplitude limiter circuit, be equally to limit the work of microwave limiter circuit
Working frequency and bandwidth of operation.
How while the working frequency and bandwidth of operation for not influencing microwave limiter circuit, promotes limiter and bear function
The ability of rate is a problem to be solved.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of raising Microwave Hybrids to integrate the list that PIN limiter bears power
Grade amplitude limiter circuit and limiter promote clipping while the working frequency and bandwidth of operation for not influencing microwave limiter circuit
The ability of device receiving power.
In order to solve the above technical problems, integrating PIN limiter the present invention relates to a kind of raising Microwave Hybrid bears power
Clipping unit circuit and mounting device, including the concatenated PIN limiter diode of at least two anode and cathodes, anode connect microwave signal
Transmission line, minus earth, the earth-free PIN limiter diode of cathode connects a capacitor to ground to concatenation wherein, which is peace
Fill the insulating heat-conductive carrier equivalent capacity of corresponding PIN clipping tube core；The PIN limiter diode being serially connected by tinsel into
The connection of row anode and cathode, the earth-free PIN limiter diode of cathode is mounted on insulating heat-conductive carrier wherein for series connection.
Preferably, insulating heat-conductive carrier is any one of ceramics, quartz, sapphire.Since practical Microwave Hybrid is integrated
In PIN amplitude limiter circuit, need to solve the assembly technology and heat dissipation problem of PIN limiter diode tube core, single or multiple parallel connections
It to the PIN limiter diode tube core on ground, can be directly assembled on the metal base plate of ground connection, the heat that each diode generates is straight
It connects and is scattered on metal base plate, but for PIN limiter diode of connecting, be serially connected in intermediate diode chip and need to consider assembly
Carrier, this assembly carrier need to have good thermal conductivity, and lower dielectric constant and lower dielectric loss are usually made pottery
Porcelain, quartz, sapphire or similar insulating materials are suitable carrier materials.
Present invention simultaneously relates to a kind of single-stage amplitude limiter circuits using above-mentioned clipping unit circuit, including at least one clipping
Element circuit, the clipping unit circuit is parallel with one another or cascades.
Preferably, the single-stage amplitude limiter circuit includes that two clipping unit circuits are parallel with one another, each clipping unit circuit
The PIN limiter diode being serially connected including two, concatenation one capacitor of the earth-free PIN limiter diode series connection of cathode wherein
To ground.
Present invention simultaneously provides a kind of hybrid integrated PIN limiters using above-mentioned single-stage amplitude limiter circuit, including multistage phase
Mutually parallel connection or cascade amplitude limiter circuit, wherein first order amplitude limiter circuit is the single-stage amplitude limiter circuit.
The invention has the benefit that by PIN limiter diode of connecting in clipping unit circuit, and apply it to
In single-stage amplitude limiter circuit and limiter, Lai Tisheng limiter bears the ability of power, while series circuit reduces direct-to-ground capacitance,
Therefore it can improve the working frequency and bandwidth of operation of microwave limiter circuit.
Detailed description of the invention
Fig. 1 is Microwave PIN amplitude limiter circuit figure in the prior art；
Fig. 2 is PIN limiter diode assembling schematic diagram in the prior art；
Fig. 3 is one Microwave PIN amplitude limiter circuit figure of the embodiment of the present invention；
Fig. 4 is PIN limiter diode assembling schematic diagram of the present invention；
Fig. 5 is Microwave PIN amplitude limiter circuit figure in the prior art；
Fig. 6 is two Microwave PIN amplitude limiter circuit figure of the embodiment of the present invention.
Description of symbols
A- HIGH-POWERED MICROWAVES signal input part, B- limitation signal output end, C- microstrip line, 1- metal base plate, 2- microwave electricity
Road plate, 3- microstrip line, 4-PIN limiter diode, 5- bonding gold wire, 11- metal base plate, 12- microwave circuit boards, 13- microstrip line,
14-PIN limiter diode, 15- bonding gold wire, 16- insulating heat-conductive carrier, 17- are connected on intermediate PIN limiter diode.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be noted that attached drawing is merely illustrative, do not drawn according to stringent ratio
It makes, and promising may wherein describe convenient and the partial enlargement of progress, diminution, may also have for conventional partial structure certain
It is default.
PIN limiter in the prior art is multistage PIN limiter diode cascade circuit, as shown in Figure 1, the first order, the
A clipping PIN diode is respectively set in second level, third level amplitude limiter circuit.In the assembling of the PIN limiter, as shown in Fig. 2, single
A or multiple PIN limiter diodes for being parallel to ground, can be directly assembled on the metal base plate of ground connection, each diode generates
Heat be directly scattered on metal base plate.Shown in fig. 6 is another connection type in the prior art, first order amplitude limiter circuit
Including two PIN limiter diode element circuits in parallel.
The clipping unit circuit that the present invention designs, including the concatenated PIN limiter diode of at least two anode and cathodes, anode
Connect microwave signal transmission line, minus earth, concatenation wherein the earth-free PIN limiter diode of cathode connect a capacitor to,
The capacitor is the insulating heat-conductive carrier equivalent capacity for installing corresponding PIN clipping tube core.The single-stage amplitude limiter circuit that the present invention designs, packet
At least one clipping unit circuit is included, clipping unit circuit is parallel with one another or cascades.Present invention simultaneously provides a kind of application is above-mentioned
The PIN limiter of single-stage amplitude limiter circuit, including multistage parallel with one another or cascade amplitude limiter circuit, wherein first order amplitude limiter circuit be
Above-mentioned single-stage amplitude limiter circuit.
The PIN limiter diode being serially connected carries out the connection of anode and cathode by tinsel, and cathode is not wherein for series connection
The PIN limiter diode of ground connection is mounted on insulating heat-conductive carrier.Insulating heat-conductive carrier is ceramics, quartzy, appointing in sapphire
It is a kind of.It is single due in practical Microwave PIN amplitude limiter circuit, needing to solve the assembly technology and heat dissipation problem of PIN limiter diode
A or multiple PIN limiter diodes for being parallel to ground, can be directly assembled on the metal base plate of ground connection, each diode generates
Heat be directly scattered on metal base plate, but for PIN limiter diode of connecting, be serially connected in intermediate diode and need to consider
Carrier is assembled, this assembly carrier needs to have good thermal conductivity, lower dielectric constant and lower dielectric loss, usually
Ceramics, quartz, sapphire or similar insulating materials are suitable carrier materials.
Referring to fig. 4, limiter includes shielding box and the gold that is set to inside shielding box to the assembling mode of limiter of the present invention
Belong to bottom plate 11, metal base plate 11 is grounded, and microwave circuit boards 12 are arranged above metal base plate 11, is arranged above microwave circuit boards 12
Microstrip line 13,16 bottom surface of insulating heat-conductive carrier are mounted on metal floor 11, and 14 cathode of PIN limiter diode tube core is also mounted at
On metal base plate 11, anode is connected on insulating heat-conductive carrier 16.The PIN limiter diode being serially connected in clipping unit, wherein
The cathode for being located in the middle PIN limiter diode tube core 17 is installed on insulating heat-conductive carrier 16, and anode connects on microstrip line 13.
Embodiment one
The present embodiment provides the limiters that a kind of single clipping unit circuit constitutes first order amplitude limiter circuit, as shown in figure 3,
First order amplitude limiter circuit can promote one times of receiving function using 2 clipping PIN diode series connection, 2 series connection PIN limiter diodes
Rate ability, while series circuit reduces direct-to-ground capacitance, and microstrip line is arranged between adjacent two-stage amplitude limiter circuit.
With circuit diagram connection type shown in prior art Fig. 1 and present invention connection type shown in Fig. 3 in the present embodiment
It compares, the model C LA4607 clipping tube core that wherein first order PIN limiter diode all uses SKYWORK company to produce.Table
1 is that the electrical property of two kinds of circuit embodiments and receiving power capability comparing result are held in other electrical performance indexes unanimous circumstances
It is doubled by power.
Table 1
Embodiment two
As shown in fig. 6, limiter first order amplitude limiter circuit of the invention is connected two-by-two using four CLA4607 clipping tube cores
It is parallel to ground again afterwards.It is compared with prior art circuits in Fig. 5, table 2 is the electrical property and receiving function of two kinds of circuit embodiments
Rate ability comparing result bears power and is doubled in other electrical performance indexes unanimous circumstances.
Table 2
It is better embodiment of the invention above, but the scope of the present invention is not limited thereto.It is any to be familiar with this field
Technical staff within the technical scope disclosed by the invention, it is thought of without creative labor to transform or replace, should all cover
Within protection scope of the present invention.Therefore protection scope of the present invention should be subject to the scope of protection defined by the claims.
Claims (3)
1. a kind of Microwave Hybrid that improves integrates the clipping unit circuit that PIN limiter bears power, it is characterised in that: the clipping
Element circuit includes the single-stage amplitude limiter circuit of the concatenated PIN limiter diode composition of at least two anode and cathodes, first PIN clipping
The anode of diode connects microwave signal transmission line, the minus earth of the last one PIN limiter diode, and each concatenation is negative wherein
Extremely earth-free PIN limiter diode connect a capacitor to；The PIN limiter diode being serially connected is carried out by tinsel
The connection of anode and cathode, the earth-free PIN limiter diode of cathode is mounted on insulating heat-conductive carrier wherein for series connection, the capacitor
It is the equivalent capacity of the insulating heat-conductive carrier.
2. clipping unit circuit according to claim 1, the single-stage amplitude limiter circuit is characterized in that: the insulating heat-conductive
Carrier is any one of ceramics, quartz, sapphire.
3. clipping unit circuit according to claim 1, the single-stage amplitude limiter circuit is characterized in that: two single-stage clippings
Circuit is parallel with one another.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510721152.5A CN105375906B (en) | 2015-10-30 | 2015-10-30 | Clipping unit circuit and mounting device, single-stage amplitude limiter circuit and limiter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510721152.5A CN105375906B (en) | 2015-10-30 | 2015-10-30 | Clipping unit circuit and mounting device, single-stage amplitude limiter circuit and limiter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105375906A CN105375906A (en) | 2016-03-02 |
| CN105375906B true CN105375906B (en) | 2019-07-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510721152.5A Active CN105375906B (en) | 2015-10-30 | 2015-10-30 | Clipping unit circuit and mounting device, single-stage amplitude limiter circuit and limiter |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106100600B (en) * | 2016-06-28 | 2019-07-12 | 南京恒电电子有限公司 | A kind of microwave continuous wave high power amplitude limiter |
| CN109936339B (en) * | 2019-04-10 | 2023-07-04 | 中国电子科技集团公司第十三研究所 | Linear amplitude limiter |
| CN110113020B (en) * | 2019-04-28 | 2024-01-16 | 武汉力海科技有限责任公司 | High-power amplitude limiter |
| CN110661503A (en) * | 2019-10-31 | 2020-01-07 | 中国电子科技集团公司第十三研究所 | Ultrahigh power amplitude limiter |
| CN111262529B (en) * | 2020-02-27 | 2023-06-23 | 中国电子科技集团公司第十三研究所 | Anti-saturation limiter, chip and driving amplifier |
| CN111987144B (en) * | 2020-08-21 | 2022-06-28 | 西安电子科技大学 | Gallium nitride Schottky diode multi-stage amplitude limiting circuit |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2750541Y (en) * | 2004-10-18 | 2006-01-04 | 华为技术有限公司 | An electrostatic discharge protection circuit |
| US7724484B2 (en) * | 2006-12-29 | 2010-05-25 | Cobham Defense Electronic Systems Corporation | Ultra broadband 10-W CW integrated limiter |
| CN103873039A (en) * | 2014-03-04 | 2014-06-18 | 电子科技大学 | Adsorption-type single-pole eight-throw switch |
| EP2452426B1 (en) * | 2009-07-07 | 2014-12-17 | Auckland UniServices Limited | Transformer and priming circuit therefor |
| CN205142162U (en) * | 2015-10-30 | 2016-04-06 | 南京恒电电子有限公司 | Amplitude limiting element circuit and installation device , single -stage limit circuit and clipper -limiter |
-
2015
- 2015-10-30 CN CN201510721152.5A patent/CN105375906B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2750541Y (en) * | 2004-10-18 | 2006-01-04 | 华为技术有限公司 | An electrostatic discharge protection circuit |
| US7724484B2 (en) * | 2006-12-29 | 2010-05-25 | Cobham Defense Electronic Systems Corporation | Ultra broadband 10-W CW integrated limiter |
| EP2452426B1 (en) * | 2009-07-07 | 2014-12-17 | Auckland UniServices Limited | Transformer and priming circuit therefor |
| CN103873039A (en) * | 2014-03-04 | 2014-06-18 | 电子科技大学 | Adsorption-type single-pole eight-throw switch |
| CN205142162U (en) * | 2015-10-30 | 2016-04-06 | 南京恒电电子有限公司 | Amplitude limiting element circuit and installation device , single -stage limit circuit and clipper -limiter |
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| Publication number | Publication date |
|---|---|
| CN105375906A (en) | 2016-03-02 |
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Effective date of registration: 20211009 Address after: No. 9, Jinma Road, Qixia District, Nanjing, Jiangsu 210049 Patentee after: NANJING HENGDIAN ELECTRONICS Co.,Ltd. Patentee after: Nanjing Hengdian advanced Microwave Technology Research Institute Co.,Ltd. Address before: No. 9, Jinma Road, Qixia District, Nanjing, Jiangsu 210049 Patentee before: NANJING HENGDIAN ELECTRONICS Co.,Ltd. |
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