CN102710235A - L-waveband miniature amplification equalizer - Google Patents
L-waveband miniature amplification equalizer Download PDFInfo
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- CN102710235A CN102710235A CN201210077380XA CN201210077380A CN102710235A CN 102710235 A CN102710235 A CN 102710235A CN 201210077380X A CN201210077380X A CN 201210077380XA CN 201210077380 A CN201210077380 A CN 201210077380A CN 102710235 A CN102710235 A CN 102710235A
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Abstract
The invention relates to an L-waveband miniature amplification equalizer, comprising input and output interfaces suitable for surface mounting, and input and output inductors which are realized by adopting distributed parameter strip lines, wherein the structures are achieved by a multi-layer low-temperature co-fired ceramic technology. The invention has the advantages of small insertion loss, light weight, small volume, high reliability, good electrical property, good temperature stability, good electrical property batch consistency, low cost, mass production and the like, and is especially suitable for the wireless communication handheld and portable terminal products, such as radar, communication, rocket-borne, airborne, mission-borne, spacecraft, man mobile communication terminal and the like. The product has the particularly prominent advantage in a corresponding frequency band system having high requirements on volume, weight, electrical property and reliability.
Description
Technical field
The present invention relates to a kind of equalizer, the miniature amplitude equalizer of particularly a kind of L-band.
Background technology
Development along with systems such as microwave and millimeter wave communication, radars; Especially the continuous miniaturization of microwave and millimeter wave communication module in ambulatory handheld formula wireless communication terminal, individual soldier's satellite mobile communication terminal, military and civilian multimode multiplex communication terminal, airborne, missile-borne, the aerospace communication system; Amplitude equalizer is used for the unbalanced of bucking-out system signal amplitude as the crucial electronic unit in corresponding wave band reception and the transmitting branch.Miniature Microwave Equalizer microminiaturization, high-performance, highly reliable, be an important developing direction low-costly and in high volume.The key technical indexes of describing this component capabilities has: passband input/output voltage standing-wave ratio, passband insert loss, form factor, insertion phase shift and delay/frequency characteristic, temperature stability, volume, weight, reliability etc.With the equalizer of conventional method design, all there is volume and inserts the bigger shortcoming of loss like LC equalizer, microstrip line equaliser structure etc., for requiring harsh application scenario often can't use.
Summary of the invention
The object of the present invention is to provide that a kind of volume is little, in light weight, reliability is high, electrical property is excellent, simple in structure, rate of finished products is high, in batches high conformity, cost is low, temperature performance is stable, the miniature amplitude equalizer of the L-band of phase-frequency characteristic linear change.
The technical scheme that realizes the object of the invention is: the miniature amplitude equalizer of a kind of L-band comprises surface-pasted 50 ohmage input ports, input inductance, first inductance, first electric capacity, second inductance, the 3rd inductance, second electric capacity, outputting inductance and surface-pasted 50 ohmage output ports; One termination input signal of 50 ohmage input ports of mounted on surface, an end of another termination input inductance of input port, the other end of input inductance are connected with an end of first inductance and an end of second inductance respectively; The other end of first inductance with first electric capacity, one end be connected the other end ground connection of first inductance; The other end of second inductance is connected with an end of second electric capacity and an end of outputting inductance respectively; The other end of second electric capacity is connected with an end of the 3rd inductance, the other end ground connection of the 3rd inductance; The other end of outputting inductance is connected with an end of output port, the other end output signal of output port.
Compared with prior art, because the present invention adopts low-loss low-temperature co-burning ceramic material and 3 D stereo integrated, the remarkable advantage that is brought is: (1) volume is little; (2) in light weight; (3) reliability is high; (4) electrical property is excellent, the phase-frequency characteristic linear change; (5) the electrical property temperature stability is high; (6) the circuit implementation structure is simple; (7) electrical property consistency is good, can realize producing in enormous quantities; (8) cost is low; (9) easy to install and use, can use full-automatic chip mounter to install and welding; (10) be specially adapted in the radio communication handheld terminals such as rocket, airborne, missile-borne, spaceship, individual soldier's mobile communication terminal, and volume, weight, performance, reliability are had in the harsh communication system that requires.
Description of drawings
Fig. 1 is the electrical schematic diagram of the miniature amplitude equalizer of a kind of L-band of the present invention.
Fig. 2 is the profile and the internal structure sketch map of the miniature amplitude equalizer of a kind of L-band of the present invention.
Fig. 3 is the actual electrical schematic diagram of the miniature amplitude equalizer of a kind of L-band of the present invention.
Fig. 4 is the three-dimensional all-wave simulation performance of the miniature amplitude equalizer of a kind of L-band of a present invention curve.
Embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail.
In conjunction with Fig. 1, Fig. 2; The present invention is the miniature amplitude equalizer of a kind of L-band; The miniature amplitude equalizer of this L-band comprises surface-pasted 50 ohmage input port P1, input inductance L1, first inductance L 2, first capacitor C 1, second inductance L 3, the 3rd inductance L 4, second capacitor C 2, outputting inductance L5, surface-pasted 50 ohmage output port P2 and earth terminals; The termination input signal of surface-pasted 50 ohmage input port P1; The other end of input port P1 is connected with input inductance L1; Output port P2 is connected with outputting inductance L5, and the other end of this input inductance L1 is connected with an end of first inductance L 2 and an end of second inductance L 3 respectively; The other end of first inductance L 2 with first capacitor C, 1 one ends be connected, the other end ground connection of first inductance L 2, the other end of second inductance L 3 is connected with an end of second capacitor C 2 and the end of outputting inductance L5 respectively; The other end of second capacitor C 2 is connected with an end of inductance L 4, the other end ground connection of the 3rd inductance L 4, and the other end of outputting inductance L5 is connected with the end of output port P2, the other end output signal of output port P2.
The miniature amplitude equalizer of a kind of L-band of the present invention; This amplitude equalizer comprises the termination input signal of surface-pasted 50 ohmage input port P1; The end of another termination input inductance L1 of input port P1, the other end of input inductance L1 are connected with an end of first inductance L 2 and an end of second inductance L 3 respectively; The other end of first inductance L 2 with first capacitor C, 1 one ends be connected the other end ground connection of first inductance L 2; The other end of second inductance L 3 is connected with an end of second capacitor C 2 and the end of outputting inductance L5 respectively; The other end of second electric capacity (C2) is connected with an end of the 3rd inductance L 4, the other end ground connection of the 3rd inductance L 4; The other end of outputting inductance L5 is connected with the end of output port P2, the other end output signal of output port P2.
In conjunction with Fig. 2, input inductance L1, first inductance L 2, first capacitor C 1, second inductance L 3, the 3rd inductance L 4, second capacitor C 2, outputting inductance L5 all adopt the strip line of distributed constant to realize.
The miniature amplitude equalizer of a kind of L-band of the present invention; The termination input signal of surface-pasted 50 ohmage input port P1; The end of another termination input inductance L1 of input port P1, the other end of input inductance L1 are connected with an end of first inductance L 2 and an end of second inductance L 3 respectively; The other end of first inductance L 2 with first capacitor C, 1 one ends be connected, the other end ground connection of first inductance L 2, the other end of second inductance L 3 is connected with an end of second capacitor C 2 and the end of outputting inductance L5 respectively; The other end of second capacitor C 2 is connected with an end of the 3rd inductance L 4; The other end ground connection of the 3rd inductance L 4; The other end of outputting inductance L5 is connected with the end of output port P2; The other end of output port P2 output signal, input inductance L1, first inductance L 2, first capacitor C 1, second inductance L 3, the 3rd inductance L 4, second capacitor C 2, outputting inductance L5 all adopt the strip line of distributed constant to realize.
The miniature amplitude equalizer of a kind of L-band of the present invention, in conjunction with Fig. 1, Fig. 3, its operation principle is summarized as follows: the basic model of the miniature amplitude equalizer of a kind of L-band is a band pass filter; When the broadband microwave signal of input is passed through input inductance L1 through input port P1; This moment, elongated input inductance L1 produced inductive effect, and signal is through behind the L1, a part of signal through the series filtering of inductance L 2 and capacitor C 1 after ground connection; Another part signal is realized filtering once more through inductance L 3; Filtered signal part signal is through ground connection after the connecting of inductance L 4 and capacitor C 2, and another part signal passes through elongated output capacitance L5 through output capacitance L5; The signal that produces inductive effect arrives the other end output through surface-pasted 50 ohmage output port P2, thereby realizes the function of the miniature amplitude equalizer of a kind of L-band.
The miniature amplitude equalizer of a kind of L-band is owing to be to adopt multilayer LTCC technology to realize; Its low-temperature co-burning ceramic material and metallic pattern form at about 900 ℃ of sintering temperatures; So have extreme high reliability and temperature stability; 3 D stereo is integrated to be grounded and to encapsulate with multilayer folding structure and outer surface metallic shield because structure adopts, thereby volume is significantly reduced.
In conjunction with the miniature amplitude equalizer of a kind of L-band of Fig. 4; This equalizer frequency is 950MHz to 1250MHz; The simulation and balance device leads to in-band insertion loss all less than 1 decibel, negative slope, and the 950MHz decay reaches 0 decibel; The 1250MHz decay reaches between-2 decibels to-3 decibels, has good equalizer performance.
Claims (2)
1. the miniature amplitude equalizer of L-band is characterized in that: comprise surface-pasted 50 ohmage input ports (P1), input inductance (L1), first inductance (L2), first electric capacity (C1), second inductance (L3), the 3rd inductance (L4), second electric capacity (C2), outputting inductance (L5) and surface-pasted 50 ohmage output ports (P2); One termination input signal of 50 ohmage input ports (P1) of mounted on surface; One end of another termination input inductance (L1) of input port (P1), the other end of input inductance (L1) are connected with an end of first inductance (L2) and an end of second inductance (L3) respectively; The other end of first inductance (L2) with first electric capacity (C1) end be connected the other end ground connection of first inductance (L2); The other end of second inductance (L3) is connected with an end of second electric capacity (C2) and an end of outputting inductance (L5) respectively; The other end of second electric capacity (C2) is connected with an end of the 3rd inductance (L4), the other end ground connection of the 3rd inductance (L4); The other end of outputting inductance (L5) is connected with an end of output port (P2), the other end output signal of output port (P2).
2. a kind of L-band amplitude equalizer according to claim 1; It is characterized in that: input port (P1), input inductance (L1), first inductance (L2), first electric capacity (C1), second inductance (L3), the 3rd inductance (L4), second electric capacity (C2), outputting inductance (L5), output port (P2) and earth terminal all adopt multilayer to realize with LTCC technology, and wherein input inductance (L1), first inductance (L2), first electric capacity (C1), second inductance (L3), the 3rd inductance (L4), second electric capacity (C2), outputting inductance (L5) all adopt the strip line of distributed constant to realize.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210077380XA CN102710235A (en) | 2012-03-22 | 2012-03-22 | L-waveband miniature amplification equalizer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210077380XA CN102710235A (en) | 2012-03-22 | 2012-03-22 | L-waveband miniature amplification equalizer |
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| CN102710235A true CN102710235A (en) | 2012-10-03 |
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| CN201210077380XA Pending CN102710235A (en) | 2012-03-22 | 2012-03-22 | L-waveband miniature amplification equalizer |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06164452A (en) * | 1992-11-17 | 1994-06-10 | Oki Electric Ind Co Ltd | Decentralized equalizer |
| US20070025435A1 (en) * | 2005-07-29 | 2007-02-01 | Jun Cao | Current-controlled CMOS (C3MOS) fully differential integrated wideband amplifier/equalizer with adjustable gain and frequency response without additional power or loading |
| CN101621146A (en) * | 2009-08-11 | 2010-01-06 | 南京理工大学 | L wave band miniature duplexer |
-
2012
- 2012-03-22 CN CN201210077380XA patent/CN102710235A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06164452A (en) * | 1992-11-17 | 1994-06-10 | Oki Electric Ind Co Ltd | Decentralized equalizer |
| US20070025435A1 (en) * | 2005-07-29 | 2007-02-01 | Jun Cao | Current-controlled CMOS (C3MOS) fully differential integrated wideband amplifier/equalizer with adjustable gain and frequency response without additional power or loading |
| CN101621146A (en) * | 2009-08-11 | 2010-01-06 | 南京理工大学 | L wave band miniature duplexer |
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Application publication date: 20121003 |