CN203522665U - Miniaturized high-power cascaded reflective amplitude limiter - Google Patents
Miniaturized high-power cascaded reflective amplitude limiter Download PDFInfo
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- CN203522665U CN203522665U CN201320668688.1U CN201320668688U CN203522665U CN 203522665 U CN203522665 U CN 203522665U CN 201320668688 U CN201320668688 U CN 201320668688U CN 203522665 U CN203522665 U CN 203522665U
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- limiter diode
- diode
- limiting diode
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Abstract
The utility model discloses a miniaturized high-power cascaded reflective amplitude limiter. A signal input end is connected with a signal output end after being sequentially cascaded with a positive electrode of a first amplitude-limiting diode D1, one end of a DC loop inductor L1, a positive electrode of a second amplitude-limiting diode D2, a positive electrode of a third amplitude-limiting diode D3 and a positive electrode of a final-stage amplitude-limiting diode D4, and a negative electrode of the first amplitude-limiting diode D1, the other end of the DC loop inductor L1, a negative electrode of the second amplitude-limiting diode D2, a negative electrode of the third amplitude-limiting diode D3 and a negative electrode of the final-stage amplitude-limiting diode D4 are respectively grounded. The miniaturized high-power cascaded reflective amplitude limiter is formed by cascading a plurality of amplitude-limiting diodes with bearing power gradually decreased, a DC loop is produced by the high-resistance inductor, and the miniaturized high-power cascaded reflective amplitude limiter has the advantages of simple circuit structure, small occupied space, high reliability, low loss and the like.
Description
Technical field
The utility model relates to the high-power hops in tandem formula of a kind of miniaturization amplitude limiter.
Background technology
Amplitude limiter refers to and can by the scope limiting, scabble the circuit of signal voltage wave amplitude, claims again peak clipper.The effect of amplitude limiter circuit is that amplitude output signal is limited in certain scope, and it comprises: shaping, as the interference of prune output waveform top or bottom; Waveform transformation, as the positive pulse in output signal is pruned, only leaves negative pulse wherein; Overvoltage protection as strong output signal or disturb while likely damaging some parts, can access amplitude limiter circuit before these parts.
At present, conventional amplitude limiter amplitude limiter circuit is that 3dB electric bridge is absorption: the absorption amplitude limiter of 3dB electric bridge is to divide equally and on arm, connect the resistance that limiter diode and resistance equal line characteristic impedance value at 3dB electric bridge two.When input power hour, limiter tube is in high-impedance state, two loads of dividing arm equally are bordering on open circuit, power is all reflections almost, due to amplitude and the phase characteristic of 3dB electric bridge, two divide equally after the power stack that arm reflects, almost all from the output of isolation arm, reflection on input arm is very micro-, therefore input vswr is less; When input power increases gradually, limiter tube is gradually to low resistive state transition, and two divide arm equally starts absorbed power.Therefore limiter tube impedance is lower, divides arm load equally and approaches coupling, and reflection power is also less, is increased gradually and produced amplitude limit effect by input arm to the decay of isolating arm.Certainly, due to the characteristic of 3dB electric bridge, in amplitude limit process, the low input vswr of the same maintenance of input arm.The shortcoming of this circuit is that at L-band, to take volume excessive, is unfavorable for the Integration Design of assembly.
Utility model content
The purpose of this utility model is to solve the deficiencies in the prior art, and the high-power hops in tandem formula of miniaturization that a kind of volume is little, reliability is high amplitude limiter is provided.
The purpose of this utility model is achieved through the following technical solutions: the high-power hops in tandem formula of miniaturization amplitude limiter, it comprises first order limiter diode D1, second level limiter diode D2, third level limiter diode D3, final stage limiter diode D4 and DC loop inductance L 1, signal input part successively with the positive pole of the first limiter diode D1, one end of DC loop inductance L 1, the positive pole of the second limiter diode D2, after the anodal cascade of the positive pole of the 3rd limiter diode D3 and final stage limiter diode D4, be connected with signal output part, the negative pole of the first limiter diode D1, the other end of DC loop inductance L 1, the negative pole of the second limiter diode D2, the negative pole of the negative pole of the 3rd limiter diode D3 and final stage limiter diode D4 is ground connection respectively.
The beneficial effects of the utility model are: the reflective amplitude limiter of this cascade is born the descending limiter diode cascade of power and formed by a plurality of, by high resistant inductance, produce DC loop, there is circuit structure simple, take volume little, the feature such as the high and loss of reliability is low.
Accompanying drawing explanation
Fig. 1 is the utility model circuit theory diagrams.
Embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is described in further detail: as shown in Figure 1, the high-power hops in tandem formula of miniaturization amplitude limiter, it comprises first order limiter diode D1, second level limiter diode D2, third level limiter diode D3, final stage limiter diode D4 and DC loop inductance L 1, signal input part successively with the positive pole of the first limiter diode D1, one end of DC loop inductance L 1, the positive pole of the second limiter diode D2, after the anodal cascade of the positive pole of the 3rd limiter diode D3 and final stage limiter diode D4, be connected with signal output part, the negative pole of the first limiter diode D1, the other end of DC loop inductance L 1, the negative pole of the second limiter diode D2, the negative pole of the negative pole of the 3rd limiter diode D3 and final stage limiter diode D4 is ground connection respectively.Amplitude limiter is risen by input, the selecting as CLA4607-000, CLA4606-000 and CLA4601-000 of limiter diode.Microwave base material is selected the Duroid5880 type base material of ROGERS CORPORATION, and thickness of slab is 0.508mm, and dielectric constant is 2.2, and live width approaches 1.5mm.
Claims (1)
1. the high-power hops in tandem formula of miniaturization amplitude limiter, it is characterized in that: it comprises first order limiter diode D1, second level limiter diode D2, third level limiter diode D3, final stage limiter diode D4 and DC loop inductance L 1, signal input part successively with the positive pole of the first limiter diode D1, one end of DC loop inductance L 1, the positive pole of the second limiter diode D2, after the anodal cascade of the positive pole of the 3rd limiter diode D3 and final stage limiter diode D4, be connected with signal output part, the negative pole of the first limiter diode D1, the other end of DC loop inductance L 1, the negative pole of the second limiter diode D2, the negative pole of the negative pole of the 3rd limiter diode D3 and final stage limiter diode D4 is ground connection respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320668688.1U CN203522665U (en) | 2013-10-29 | 2013-10-29 | Miniaturized high-power cascaded reflective amplitude limiter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320668688.1U CN203522665U (en) | 2013-10-29 | 2013-10-29 | Miniaturized high-power cascaded reflective amplitude limiter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203522665U true CN203522665U (en) | 2014-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320668688.1U Expired - Lifetime CN203522665U (en) | 2013-10-29 | 2013-10-29 | Miniaturized high-power cascaded reflective amplitude limiter |
Country Status (1)
| Country | Link |
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| CN (1) | CN203522665U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110209221A (en) * | 2019-05-09 | 2019-09-06 | 北京敏视达雷达有限公司 | A kind of temperature control circuit, register, temperature control system and temperature adjustment limiter |
-
2013
- 2013-10-29 CN CN201320668688.1U patent/CN203522665U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110209221A (en) * | 2019-05-09 | 2019-09-06 | 北京敏视达雷达有限公司 | A kind of temperature control circuit, register, temperature control system and temperature adjustment limiter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140402 |