CN105119031A - One-out-three minisize microwave filter set in VHF waveband and UHF waveband - Google Patents
One-out-three minisize microwave filter set in VHF waveband and UHF waveband Download PDFInfo
- Publication number
- CN105119031A CN105119031A CN201510534730.4A CN201510534730A CN105119031A CN 105119031 A CN105119031 A CN 105119031A CN 201510534730 A CN201510534730 A CN 201510534730A CN 105119031 A CN105119031 A CN 105119031A
- Authority
- CN
- China
- Prior art keywords
- electric capacity
- coil
- inductance
- parallel
- resonator
- 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.)
- Pending
Links
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
The invention discloses a one-out-three minisize microwave filter set in a VHF waveband and a UHF waveband, comprising a single-pole three-throw switch chip and three microwave filters; either the first microwave filter or the second microwave filter comprises an input port, an input inductor, four resonators, an output inductor, a Z-shaped interstage coupling band wire, an output port and a grounding terminal; the third microwave filter comprises an input port, a first portion parallel connection resonance unit, a second portion parallel connection resonance unit, a third portion parallel connection resonance unit, a fourth portion parallel connection resonance unit, four zero point capacitors and an output port. The above structure is realized through multilayer low temperature co-firing ceramic technology. The invention is high in rate of finished products, high in reliability, excellent in electric performance, small in volume, light in weight, simple in structure, low in manufacture cost, and stable in temperature, and is applicable to the occasions like the microwave frequency band communication and satellite communication and the corresponding system where has demanding requirements for volume, manufacture cost, temperature stability and reliability.
Description
Technical field
The present invention relates to a kind of bank of filters, particularly a kind of VHF and UHF waveband one-out-three micro microwave filter group.
Background technology
In recent years, along with satellite electron, telecommunications flourish, International Microwave RF application is gradually toward low cost, high-performance, miniaturized future development.In the systems such as modern wireless communication systems and microwave and millimeter wave communication, radar, need use very low band operation frequency range, particularly in some national defence tip device, be ensure systematic function, to filter electrical property and dimensional requirement particularly harsh.The band pass filter being applicable to ultralow frequency range is the critical electronic parts in this band reception and transmitting branch, and the leading indicator describing this component capabilities has: passband operating frequency range, stop band frequency range, pass band insertion loss, stopband attenuation, passband input/output voltage standing-wave ratio, insert phase shift and delay/frequency characteristic, temperature stability, volume, weight, reliability etc.
LTCC is a kind of Electronic Encapsulating Technology, adopts multi-layer ceramics technology, passive component can be built in medium substrate inside, and also active element can be mounted on substrate surface makes passive/active integrated functional module simultaneously.LTCC technology all shows many merits in cost, integration packaging, wiring live width and distance between centers of tracks, low impedance metal, design diversity and flexibility and high frequency performance etc., has become the mainstream technology of passive integration.The advantages such as it has high q-factor, is convenient to embedded passive device, and thermal diffusivity is good, and reliability is high, high temperature resistant, punching shake, utilize LTCC technology, can well process size little, precision is high, and tight type is good, the microwave device that loss is little.Because LTCC technology has the integrated advantage of 3 D stereo, be widely used for manufacturing various microwave passive components at microwave frequency band, the height realizing passive component is integrated.
Summary of the invention
The object of the present invention is to provide and a kind ofly realize that volume is little, lightweight, reliability is high by strip lines configuration, excellent electrical property, the VHF that easy to use, applied widely, rate of finished products is high, cost is low, temperature performance is stable and UHF waveband one-out-three micro microwave filter group.
The technical scheme realizing the object of the invention is: a kind of VHF and UHF waveband one-out-three micro microwave filter group, comprise SP3T switch chip WKD102A000040 and three microwave filter;
First microwave filter comprises surface-pasted 50 ohmage first input end mouths, the first input inductance, the first resonator, the second resonator, the 3rd resonator, the 4th resonator, the first outputting inductance, the first Z-shaped interstage coupling strip line, surface-pasted 50 ohmage first output port and earth terminals; Wherein, the first resonator is formed by the first coil and the first Capacitance parallel connection, and one end of the first coil is connected with one end of the first electric capacity, the other end of the first coil and the other end of the first electric capacity ground connection respectively; Second resonator is formed by the second coil and the second Capacitance parallel connection, and one end of the second coil is connected with one end of the second electric capacity, the other end of the second coil and the other end of the second electric capacity ground connection respectively; 3rd resonator is formed by tertiary coil and the 3rd Capacitance parallel connection, and one end of tertiary coil is connected with one end of the 3rd electric capacity, the other end of tertiary coil and the other end of the 3rd electric capacity ground connection respectively; 4th resonator is formed by the 4th coil and the 4th Capacitance parallel connection, and one end of the 4th coil is connected with one end of the 4th electric capacity, the other end of the 4th coil and the other end of the 4th electric capacity ground connection respectively; First coil, the second coil, tertiary coil, the 4th coil are two-layer square spiral coil structure, and the first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity are double-level-metal plate structure; Surface-pasted 50 ohmage first input end mouths are connected with the first left end inputting inductance, the right-hand member of the first input inductance is connected with the first electric capacity with the first coil, surface-pasted 50 ohmage first output ports are connected with the right-hand member of the first outputting inductance, the left end of the first outputting inductance is connected with the 4th electric capacity with the 4th coil, and the first Z-shaped interstage coupling strip line is positioned at above the first resonator, the second resonator, the 3rd resonator, the 4th resonator;
Second microwave filter comprises surface-pasted 50 ohmage second input ports, the second input inductance, the 5th resonator, sixth resonator, the 7th resonator, the 8th resonator, the second outputting inductance, the second Z-shaped interstage coupling strip line, surface-pasted 50 ohmage second output port and earth terminals; Wherein, the 5th resonator is formed by the 5th coil and the 5th Capacitance parallel connection, and one end of the 5th coil is connected with one end of the 5th electric capacity, the other end of the 5th coil and the other end of the 5th electric capacity ground connection respectively; Sixth resonator is formed by the 6th coil and the 6th Capacitance parallel connection, and one end of the 6th coil is connected with one end of the 6th electric capacity, the other end of the 6th coil and the other end of the 6th electric capacity ground connection respectively; 7th resonator is formed by the 7th coil and the 7th Capacitance parallel connection, and one end of the 7th coil is connected with one end of the 7th electric capacity, the other end of the 7th coil and the other end of the 7th electric capacity ground connection respectively; 8th resonator is formed by the 8th coil and the 8th Capacitance parallel connection, and one end of the 8th coil is connected with one end of the 8th electric capacity, the other end of the 8th coil and the other end of the 8th electric capacity ground connection respectively; 5th coil, the 6th coil, the 7th coil, the 8th coil are two-layer square spiral coil structure, and the 5th electric capacity, the 6th electric capacity, the 7th electric capacity, the 8th electric capacity are double-level-metal plate structure; Surface-pasted 50 ohmage second input ports are connected with the second left end inputting inductance, the right-hand member of the second input inductance is connected with the 5th electric capacity with the 5th coil, surface-pasted 50 ohmage second output ports are connected with the right-hand member of the second outputting inductance, the left end of the second outputting inductance is connected with the 8th electric capacity with the 8th coil, and the second Z-shaped interstage coupling strip line is positioned at above the 5th resonator, sixth resonator, the 7th resonator, the 8th resonator.
3rd microwave filter comprises surface-pasted 50 ohmages the 3rd input port, Part I parallel resonance unit, first zero electric capacity, Part II series resonance unit, the second minimum capacity, Part III parallel resonance unit, the 3rd minimum capacity, Part IV series resonance unit, four-zero point electric capacity and surface-pasted 50 ohmages the 3rd output port; 3rd input port is connected with one end of Part I parallel resonance unit, and wherein Part I parallel resonance unit is made up of the 9th inductance, the 9th Capacitance parallel connection, and the 9th electric capacity is set in parallel in the below of the 9th inductance; First zero electric capacity is connected with the other end of Part I parallel resonance unit ground connection, and first zero electric capacity is set in parallel in the below of the 9th electric capacity; Part II series resonance unit is connected with the 3rd input port, and wherein Part II series resonance unit is made up of the tenth inductance, the tenth capacitances in series, and the tenth electric capacity is set in parallel in the below of the tenth inductance; Second minimum capacity is in parallel with Part II series resonance unit, and the second minimum capacity is set in parallel in the below of the tenth inductance, with the tenth electric capacity at same plane; Part III parallel resonance unit is connected with the tenth electric capacity in Part II series resonance unit, wherein Part III parallel resonance unit is made up of the 11 inductance, the 11 Capacitance parallel connection, 11 electric capacity is set in parallel in the top of the 11 inductance, 3rd minimum capacity and Part III parallel resonance units in series ground connection, and the 3rd minimum capacity is set in parallel in the top of the 11 electric capacity; Part IV series resonance unit is connected with the tenth electric capacity in Part II series resonance unit, wherein Part IV series resonance unit is made up of the 12 inductance, the 12 capacitances in series, 12 electric capacity is set in parallel in the top of the 12 inductance, four-zero point electric capacity is in parallel with Part IV series resonance unit, and four-zero point electric capacity is set in parallel in the top of the 12 inductance, with the 12 electric capacity at same plane; 3rd output port is connected with the 12 electric capacity; Described 9th inductance, the tenth inductance, the 11 inductance and the 12 inductance are rectangular coil formula inductance, and the 9th electric capacity, the tenth electric capacity, the 11 electric capacity and the 12 electric capacity are run-in index capacity plate antenna.
Compared with prior art, remarkable advantage of the present invention is: in smooth in (1) free transmission range of the present invention, passband, Insertion Loss is low; (2) filter sideband is precipitous, and Out-of-band rejection is good; (3) volume is little, lightweight, reliability is high; (4) circuit realiration structure is simple, can realize producing in enormous quantities; (5) cost is low; (6) easy to install and use, full-automatic chip mounter can be used to install and welding.
Accompanying drawing explanation
Fig. 1 is VHF of the present invention and UHF waveband one-out-three micro microwave filter group contour structures schematic diagram.
Fig. 2 is profile and the internal structure schematic diagram of the first microwave filter in VHF of the present invention and UHF waveband one-out-three micro microwave filter group.
Fig. 3 is profile and the internal structure schematic diagram of the second microwave filter in VHF of the present invention and UHF waveband one-out-three micro microwave filter group.
Fig. 4 is profile and the internal structure schematic diagram of the 3rd microwave filter in VHF of the present invention and UHF waveband one-out-three micro microwave filter group.
Fig. 5 (a) is the amplitude-versus-frequency curve figure of output port when VHF of the present invention and UHF waveband one-out-three micro microwave filter group connect the first microwave filter.
Fig. 5 (b) is the stationary wave characteristic curve chart of input port when VHF of the present invention and UHF waveband one-out-three micro microwave filter group connect the first microwave filter.
Fig. 6 (a) is the amplitude-versus-frequency curve figure of output port when VHF of the present invention and UHF waveband one-out-three micro microwave filter group connect the second microwave filter.
Fig. 6 (b) is the stationary wave characteristic curve chart of input port when VHF of the present invention and UHF waveband one-out-three micro microwave filter group connect the second microwave filter.
Fig. 7 (a) is the amplitude-versus-frequency curve figure of output port when VHF of the present invention and UHF waveband one-out-three micro microwave filter group connect the 3rd microwave filter.
Fig. 7 (b) is the stationary wave characteristic curve chart of input port when VHF of the present invention and UHF waveband one-out-three micro microwave filter group connect the 3rd microwave filter.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Composition graphs 1, a kind of VHF of the present invention and UHF waveband one-out-three micro microwave filter group, comprise SP3T switch chip WKD102A000040 and three microwave filter;
Composition graphs 2, the first microwave filter F1 comprises surface-pasted 50 ohmage first input end mouth P1, the first input inductance L in1, the first resonator, the second resonator, the 3rd resonator, the 4th resonator, the first outputting inductance Lout1, the first Z-shaped interstage coupling strip line Z1, surface-pasted 50 ohmage first output port P2 and earth terminals, wherein, the first resonator is formed in parallel by the first coil L1 and the first electric capacity C1, and one end of the first coil L1 is connected with one end of the first electric capacity C1, the other end of the first coil L1 and the other end of the first electric capacity C1 ground connection respectively, second resonator is formed in parallel by the second coil L2 and the second electric capacity C2, and one end of the second coil L2 is connected with one end of the second electric capacity C2, the other end of the second coil L2 and the other end of the second electric capacity C2 ground connection respectively, 3rd resonator is formed in parallel by tertiary coil L3 and the 3rd electric capacity C3, and one end of tertiary coil L3 is connected with one end of the 3rd electric capacity C3, the other end of tertiary coil L3 and the other end of the 3rd electric capacity C3 ground connection respectively, 4th resonance is formed in parallel by the 4th coil L4 and the 4th electric capacity C4, and one end of the 4th coil L4 is connected with one end of the 4th electric capacity C4, the other end of the 4th coil L4 and the other end of the 4th electric capacity C4 ground connection respectively, first coil L1, the second coil L2, tertiary coil L3, the 4th coil L4 are two-layer square spiral coil structure, and the first electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3, the 4th electric capacity C4 are double-level-metal plate structure, surface-pasted 50 ohmage first input end mouth P1 are connected with the first left end inputting inductance L in1, the right-hand member of the first input inductance L in1 is connected with the first electric capacity C1 with the first coil L1, surface-pasted 50 ohmage first output port P2 are connected with the right-hand member of the first outputting inductance Lout1, the left end of the first outputting inductance Lout1 is connected with the 4th electric capacity C4 with the 4th coil L4, first Z-shaped interstage coupling strip line Z1 is positioned at the first resonator, second resonator, 3rd resonator, above 4th resonator, connected by coupling between four resonators, i.e. the first coil and the second coil coupling, second electric capacity and the 3rd capacitive coupling, tertiary coil and the 4th coil coupling,
Composition graphs 3, the second microwave filter F2 comprises surface-pasted 50 ohmage second input port P3, the second input inductance L in2, the 5th resonator, sixth resonator, the 7th resonator, the 8th resonator, the second outputting inductance Lout2, the second Z-shaped interstage coupling strip line Z2, surface-pasted 50 ohmage second output port P4 and earth terminals, wherein, the 5th resonator is formed in parallel by the 5th coil L5 and the 5th electric capacity C5, and one end of the 5th coil L5 is connected with one end of the 5th electric capacity C5, the other end of the 5th coil L5 and the other end of the 5th electric capacity C5 ground connection respectively, sixth resonator is formed in parallel by the 6th coil L6 and the 6th electric capacity C6, and one end of the 6th coil L6 is connected with one end of the 6th electric capacity C6, the other end of the 6th coil L6 and the other end of the 6th electric capacity C6 ground connection respectively, 7th resonator is formed in parallel by the 7th coil L7 and the 7th electric capacity C7, and one end of the 7th coil L7 is connected with one end of the 7th electric capacity C7, the other end of the 7th coil L7 and the other end of the 7th electric capacity C7 ground connection respectively, 8th resonator is formed in parallel by the 8th coil L8 and the 8th electric capacity C8, and one end of the 8th coil L8 is connected with one end of the 8th electric capacity C8, the other end of the 8th coil L8 and the other end of the 8th electric capacity C8 ground connection respectively, 5th coil L5, the 6th coil L6, the 7th coil L7, the 8th coil L8 are two-layer square spiral coil structure, and the 5th electric capacity C5, the 6th electric capacity C6, the 7th electric capacity C7, the 8th electric capacity C8 are double-level-metal plate structure, surface-pasted 50 ohmage second input port P3 are connected with the second left end inputting inductance L in2, the right-hand member of the second input inductance L in2 is connected with the 5th electric capacity C5 with the 5th coil L5, surface-pasted 50 ohmage second output port P4 are connected with the right-hand member of the second outputting inductance Lout2, the left end of the second outputting inductance Lout2 is connected with the 8th electric capacity C8 with the 8th coil L8, second Z-shaped interstage coupling strip line Z2 is positioned at the 5th resonator, sixth resonator, 7th resonator, above 8th resonator, connected by coupling between four resonators, i.e. the 5th coil and the 6th coil coupling, 6th electric capacity and the 7th capacitive coupling, 7th coil and the 8th coil coupling,
Composition graphs 4, the 3rd microwave filter F3 comprises surface-pasted 50 ohmages the 3rd input port P5, Part I parallel resonance unit, first zero electric capacity C99, Part II series resonance unit, the second minimum capacity C1010, Part III parallel resonance unit, the 3rd minimum capacity C1111, Part IV series resonance unit, four-zero point electric capacity C1212 and surface-pasted 50 ohmages the 3rd output port P6; 3rd input port P5 is connected with one end of Part I parallel resonance unit, and wherein Part I parallel resonance unit is composed in parallel by the 9th inductance L 9, the 9th electric capacity C9, and the 9th electric capacity C9 is set in parallel in the below of the 9th inductance L 9; First zero electric capacity C99 connects with the other end of Part I parallel resonance unit L9, C9 ground connection, and first zero electric capacity C99 is set in parallel in the below of the 9th electric capacity C9; Part II series resonance unit is connected with the 3rd input port P5, and wherein Part II series resonance unit is composed in series by the tenth inductance L 10, the tenth electric capacity C10, and the tenth electric capacity C10 is set in parallel in the below of the tenth inductance L 10; Second minimum capacity C1010 is in parallel with Part II series resonance unit, and the second minimum capacity C1010 is set in parallel in the below of the tenth inductance L 10, with the tenth electric capacity C10 at same plane; Part III parallel resonance unit is connected with the tenth electric capacity C10 in Part II series resonance unit, wherein Part III parallel resonance unit is composed in parallel by the 11 inductance L the 11, the 11 electric capacity C11,11 electric capacity C11 is set in parallel in the top of the 11 inductance L 11,3rd minimum capacity C1111 and Part III parallel resonance units in series ground connection, and the 3rd minimum capacity C1111 is set in parallel in the top of the 11 electric capacity C11; Part IV series resonance unit is connected with the tenth electric capacity C10 in Part II series resonance unit, wherein Part IV series resonance unit is composed in series by the 12 inductance L the 12, the 12 electric capacity C12,12 electric capacity C12 is set in parallel in the top of the 12 inductance L 12, four-zero point electric capacity C1212 is in parallel with Part IV series resonance unit, and four-zero point electric capacity C1212 is set in parallel in the top of the 12 inductance L 12, with the 12 electric capacity C12 at same plane; 3rd output port P6 is connected with the 12 electric capacity C12; Described 9th inductance L 9, the tenth inductance L the 10, the 11 inductance L the 11 and the 12 inductance L 12 are rectangular coil formula inductance, and the 9th electric capacity C9, the tenth electric capacity C10, the 11 electric capacity C11 and the 12 electric capacity C12 are run-in index capacity plate antenna.
The RFOut1 of SP3T switch chip WKD102A000040 is connected with surface-pasted 50 ohmage first input end mouth P1, RFOut2 is connected with surface-pasted 50 ohmage second input port P3, and RFOut3 is connected with surface-pasted 50 ohmages the 3rd input port P5.
Surface-pasted 50 ohmage the first ~ three input ports, first input inductance, second input inductance, first outputting inductance, second outputting inductance, first ~ eight resonator, Part I parallel resonance unit, first zero electric capacity, Part II series resonance unit, second minimum capacity, Part III parallel resonance unit, 3rd minimum capacity, Part IV series resonance unit, four-zero point electric capacity, surface-pasted 50 ohmage the first ~ three output ports and earth terminal all adopt multilayer LTCC technique to realize.
Owing to adopting multilayer LTCC technique, its low-temperature co-burning ceramic material and metallic pattern sinter and form at about 900 DEG C of temperature, so have extreme high reliability and temperature stability, because structure adopts, 3 D stereo is integrated to be grounded with multilayer folding structure and outer surface metallic shield and to encapsulate, thus volume is significantly reduced.
WKD102A000040 cake core is the voltage-controlled reflective SP3T switch chip of a filter with low insertion loss, and use the long GaAs pseudomorphic high electron mobility transistor manufacture technics of 0.25 micron of grid to form, this chip is by back metal via through holes ground connection; All chip products are all through 100% radio-frequency measurement.WKD102A000040 cake core is 0/-5V power work, insertion loss in DC ~ 4GHz: 1.4dB, isolation: 45dB, input vswr: 1.3:1, output VSWR: 1.3:1, switching time: 10ns.
In a kind of VHF of present embodiment and UHF waveband one-out-three micro microwave filter group, the first microwave filter is of a size of 4.5mm × 3.2mm × 2mm, second microwave filter is of a size of 4.5mm × 3.2mm × 1.5mm, and the size of the 3rd microwave filter is 8mm × 6mm × 2.3mm; As can be seen from Fig. 5, Fig. 6, Fig. 7, the pass band width of the first microwave filter is 200MHz ~ 350MHz, input port return loss is better than 12.9 outbound port insertion loss and is better than 5.5, the pass band width of the second microwave filter is 750MHz ~ 1060MHz, input port return loss is better than 12.3 and enters loss and be better than 4.1, the pass band width of the 3rd microwave filter is 30MHz ~ 50MHz, and input port return loss is better than 16B, and output port insertion loss is better than 4.4.
Claims (3)
1. VHF and a UHF waveband one-out-three micro microwave filter group, is characterized in that: comprise SP3T switch chip WKD102A000040 and three microwave filter;
First microwave filter (F1) comprises surface-pasted 50 ohmage first input end mouths (P1), the first input inductance (Lin1), the first resonator (L1, C1), the second resonator (L2, C2), the 3rd resonator (L3, C3), the 4th resonator (L4, C4), the first outputting inductance (Lout1), the first Z-shaped interstage coupling strip line (Z1), surface-pasted 50 ohmage first output port (P2) and earth terminals, wherein, first resonator (L1, C1) is formed in parallel by the first coil (L1) and the first electric capacity (C1), one end of first coil (L1) is connected with one end of the first electric capacity (C1), the other end of the first coil (L1) and the other end of the first electric capacity (C1) ground connection respectively, second resonator (L2, C2) is formed in parallel by the second coil (L2) and the second electric capacity (C2), one end of second coil (L2) is connected with one end of the second electric capacity (C2), the other end of the second coil (L2) and the other end of the second electric capacity (C2) ground connection respectively, 3rd resonator (L3, C3) is formed in parallel by tertiary coil (L3) and the 3rd electric capacity (C3), one end of tertiary coil (L3) is connected with one end of the 3rd electric capacity (C3), the other end of tertiary coil (L3) and the other end of the 3rd electric capacity (C3) ground connection respectively, 4th resonator (L4, C4) is formed in parallel by the 4th coil (L4) and the 4th electric capacity (C4), one end of 4th coil (L4) is connected with one end of the 4th electric capacity (C4), the other end of the 4th coil (L4) and the other end of the 4th electric capacity (C4) ground connection respectively, first coil (L1), the second coil (L2), tertiary coil (L3), the 4th coil (L4) are two-layer square spiral coil structure, and the first electric capacity (C1), the second electric capacity (C2), the 3rd electric capacity (C3), the 4th electric capacity (C4) are double-level-metal plate structure, surface-pasted 50 ohmage first input end mouths (P1) are connected with the first left end inputting inductance (Lin1), the right-hand member of the first input inductance (Lin1) is connected with the first electric capacity (C1) with the first coil (L1), surface-pasted 50 ohmage first output ports (P2) are connected with the right-hand member of the first outputting inductance (Lout1), the left end of the first outputting inductance (Lout1) is connected with the 4th electric capacity (C4) with the 4th coil (L4), first Z-shaped interstage coupling strip line (Z1) is positioned at the first resonator (L1, C1), second resonator (L2, C2), 3rd resonator (L3, C3), 4th resonator (L4, C4) top,
Second microwave filter (F2) comprises surface-pasted 50 ohmage second input ports (P3), the second input inductance (Lin2), the 5th resonator (L5, C5), sixth resonator (L6, C6), the 7th resonator (L7, C7), the 8th resonator (L8, C8), the second outputting inductance (Lout2), the second Z-shaped interstage coupling strip line (Z2), surface-pasted 50 ohmage second output port (P4) and earth terminals, wherein, 5th resonator (L5, C5) is formed in parallel by the 5th coil (L5) and the 5th electric capacity (C5), one end of 5th coil (L5) is connected with one end of the 5th electric capacity (C5), the other end of the 5th coil (L5) and the other end of the 5th electric capacity (C5) ground connection respectively, sixth resonator (L6, C6) is formed in parallel by the 6th coil (L6) and the 6th electric capacity (C6), one end of 6th coil (L6) is connected with one end of the 6th electric capacity (C6), the other end of the 6th coil (L6) and the other end of the 6th electric capacity (C6) ground connection respectively, 7th resonator (L7, C7) is formed in parallel by the 7th coil (L7) and the 7th electric capacity (C7), one end of 7th coil (L7) is connected with one end of the 7th electric capacity (C7), the other end of the 7th coil (L7) and the other end of the 7th electric capacity (C7) ground connection respectively, 8th resonator (L8, C8) is formed in parallel by the 8th coil (L8) and the 8th electric capacity (C8), one end of 8th coil (L8) is connected with one end of the 8th electric capacity (C8), the other end of the 8th coil (L8) and the other end of the 8th electric capacity (C8) ground connection respectively, 5th coil (L5), the 6th coil (L6), the 7th coil (L7), the 8th coil (L8) are two-layer square spiral coil structure, and the 5th electric capacity (C5), the 6th electric capacity (C6), the 7th electric capacity (C7), the 8th electric capacity (C8) are double-level-metal plate structure, surface-pasted 50 ohmage second input ports (P3) are connected with the second left end inputting inductance (Lin2), the right-hand member of the second input inductance (Lin2) is connected with the 5th electric capacity (C5) with the 5th coil (L5), surface-pasted 50 ohmage second output ports (P4) are connected with the right-hand member of the second outputting inductance (Lout2), the left end of the second outputting inductance (Lout2) is connected with the 8th electric capacity (C8) with the 8th coil (L8), second Z-shaped interstage coupling strip line (Z2) is positioned at the 5th resonator (L5, C5), sixth resonator (L6, C6), 7th resonator (L7, C7), 8th resonator (L8, C8) top.
3rd microwave filter (F3) comprises surface-pasted 50 ohmages the 3rd input port (P5), Part I parallel resonance unit (L9, C9), first zero electric capacity (C99), Part II series resonance unit (L10, C10), second minimum capacity (C1010), Part III parallel resonance unit (L11, C11), 3rd minimum capacity (C1111), Part IV series resonance unit (L12, C12), four-zero point electric capacity (C1212) and surface-pasted 50 ohmages the 3rd output port (P6), 3rd input port (P5) is connected with one end of Part I parallel resonance unit (L9, C9), wherein Part I parallel resonance unit (L9, C9) is composed in parallel by the 9th inductance (L9), the 9th electric capacity (C9), and the 9th electric capacity (C9) is set in parallel in the below of the 9th inductance (L9), first zero electric capacity (C99) is connected with the other end of Part I parallel resonance unit (L9, C9) ground connection, and first zero electric capacity (C99) is set in parallel in the below of the 9th electric capacity (C9), Part II series resonance unit (L10, C10) is connected with the 3rd input port (P5), wherein Part II series resonance unit (L10, C10) is composed in series by the tenth inductance (L10), the tenth electric capacity (C10), and the tenth electric capacity (C10) is set in parallel in the below of the tenth inductance (L10), second minimum capacity (C1010) is in parallel with Part II series resonance unit (L10, C10), and the second minimum capacity (C1010) is set in parallel in the below of the tenth inductance (L10), with the tenth electric capacity (C10) at same plane, Part III parallel resonance unit (L11, C11) with Part II series resonance unit (L10, C10) the tenth electric capacity (C10) in connects, wherein Part III parallel resonance unit (L11, C11) by the 11 inductance (L11), 11 electric capacity (C11) composes in parallel, 11 electric capacity (C11) is set in parallel in the top of the 11 inductance (L11), 3rd minimum capacity (C1111) and Part III parallel resonance unit (L11, C11) series connection ground connection, and the 3rd minimum capacity (C1111) is set in parallel in the top of the 11 electric capacity (C11), Part IV series resonance unit (L12, C12) with Part II series resonance unit (L10, C10) the tenth electric capacity (C10) in connects, wherein Part IV series resonance unit (L12, C12) by the 12 inductance (L12), 12 electric capacity (C12) is composed in series, 12 electric capacity (C12) is set in parallel in the top of the 12 inductance (L12), four-zero point electric capacity (C1212) and Part IV series resonance unit (L12, C12) in parallel, and four-zero point electric capacity (C1212) is set in parallel in the top of the 12 inductance (L12), with the 12 electric capacity (C12) at same plane, 3rd output port (P6) is connected with the 12 electric capacity (C12), described 9th inductance (L9), the tenth inductance (L10), the 11 inductance (L11) and the 12 inductance (L12) are rectangular coil formula inductance, and the 9th electric capacity (C9), the tenth electric capacity (C10), the 11 electric capacity (C11) and the 12 electric capacity (C12) are run-in index capacity plate antenna.
2. a kind of VHF according to claim 1 and UHF waveband one-out-three micro microwave filter group, is characterized in that: surface-pasted 50 ohmage input port (P1, P3, P5), input inductance (Lin1, Lin2), outputting inductance (Lout1, Lout2), first ~ eight electric capacity (C1, C2, C3, C4, C5, C6, C7, C8), first ~ eight coil (L1, L2, L3, L4, L5, L6, L7, L8), Part I parallel resonance unit (L9, C9), first zero electric capacity (C99), Part II series resonance unit (L10, C10), second minimum capacity (C1010), Part III parallel resonance unit (L11, C11), 3rd minimum capacity (C1111), Part IV series resonance unit (L12, C12), four-zero point electric capacity (C1212), surface-pasted 50 ohmage output port (P2, P4, P6) and earth terminal all adopt multilayer LTCC technique to realize.
3. a kind of VHF according to claim 1 and 2 and UHF waveband one-out-three micro microwave filter group, it is characterized in that: first input end mouth (P1) is connected with the first electric capacity (C1) and the first coil (L1) by the first input inductance (Lin1), first output port (P2) is connected with the 4th electric capacity (C4) and the 4th coil (L4) by the first outputting inductance (Lout1), second input port (P3) is connected with the 5th electric capacity (C5) and the 5th coil (L5) by the second input inductance (Lin2), second output port (P4) is connected with the 8th electric capacity (C8) and the 8th coil (L8) by the second outputting inductance (Lout2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510534730.4A CN105119031A (en) | 2015-08-27 | 2015-08-27 | One-out-three minisize microwave filter set in VHF waveband and UHF waveband |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510534730.4A CN105119031A (en) | 2015-08-27 | 2015-08-27 | One-out-three minisize microwave filter set in VHF waveband and UHF waveband |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105119031A true CN105119031A (en) | 2015-12-02 |
Family
ID=54666961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510534730.4A Pending CN105119031A (en) | 2015-08-27 | 2015-08-27 | One-out-three minisize microwave filter set in VHF waveband and UHF waveband |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105119031A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106093653A (en) * | 2016-07-08 | 2016-11-09 | 蓝龙飞 | A kind of power system detection communication system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203457144U (en) * | 2013-09-18 | 2014-02-26 | 成都创新达微波电子有限公司 | Ultra wide band receiving front-end module |
| CN103904390A (en) * | 2014-04-08 | 2014-07-02 | 南京理工大学 | Novel passive minitype band-pass filter structure |
| CN104362413A (en) * | 2014-11-12 | 2015-02-18 | 南京波而特电子科技有限公司 | High-performance VHF (very high frequency)-band band-pass filter |
| CN104393853A (en) * | 2014-11-13 | 2015-03-04 | 南京波而特电子科技有限公司 | Multilayer band-pass filter of novel resonance structure |
-
2015
- 2015-08-27 CN CN201510534730.4A patent/CN105119031A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203457144U (en) * | 2013-09-18 | 2014-02-26 | 成都创新达微波电子有限公司 | Ultra wide band receiving front-end module |
| CN103904390A (en) * | 2014-04-08 | 2014-07-02 | 南京理工大学 | Novel passive minitype band-pass filter structure |
| CN104362413A (en) * | 2014-11-12 | 2015-02-18 | 南京波而特电子科技有限公司 | High-performance VHF (very high frequency)-band band-pass filter |
| CN104393853A (en) * | 2014-11-13 | 2015-03-04 | 南京波而特电子科技有限公司 | Multilayer band-pass filter of novel resonance structure |
Non-Patent Citations (1)
| Title |
|---|
| A. SABBAN 等: ""18 to 40 GHz Integrated Compact Switched Filter Bank Module"", 《INTERNATIONAL SYMPOSIUM ON SIGNALS, SYSTEMS AND ELECTRONICS, 2007》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106093653A (en) * | 2016-07-08 | 2016-11-09 | 蓝龙飞 | A kind of power system detection communication system |
| CN106093653B (en) * | 2016-07-08 | 2018-11-13 | 蓝龙飞 | A kind of electric system detection communication system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104241747B (en) | Miniature active microwave and millimeter wave I/Q variable phase reversal quadrature filter | |
| CN104078729B (en) | The outer variable paraphase orthogonal filter of load I/Q of miniature microwave and millimeter wave | |
| CN104953212A (en) | UHF (ultra high frequency) band type miniature microwave filter bank | |
| CN104393853A (en) | Multilayer band-pass filter of novel resonance structure | |
| CN104409802A (en) | Miniature microwave and millimeter wave self-load I/Q (In-phase/Quadrature) filter | |
| CN104409806A (en) | Mini active microwave and millimeter wave self-loading I/Q variable phase reversal orthogonal filter | |
| CN103457007A (en) | High-performance distributed 3100-3400 MHz miniature band-pass filter | |
| CN104538711B (en) | Miniature microwave and millimeter wave I/Q filter | |
| CN105048048A (en) | L-band microwave self-loading orthogonal power divider | |
| CN104934667A (en) | SHF-waveband minisize microwave filter bank | |
| CN103985929B (en) | A kind of high suppression module minisize band-pass filter | |
| CN104934666A (en) | SHF-waveband minisize microwave filter bank | |
| CN105048034A (en) | Low temperature co-fired ceramic (LTCC)-based switch type band-pass filter | |
| CN104979608A (en) | SHF-band micro microwave filter bank | |
| CN104953974A (en) | UHF (ultra high frequency) band type miniature microwave filter bank | |
| CN104967423A (en) | UHF waveband miniature duplexer | |
| CN104967424A (en) | UHF and SHF waveband miniature duplexer | |
| CN104966875A (en) | Microwave millimeter wave active balance filtering power divider | |
| CN104409805A (en) | Miniature double microwave and millimeter-wave I/Q orthogonal filter | |
| CN105914436A (en) | Full-lumped and semi-lumped integrated double-frequency filter | |
| CN105119584A (en) | UHF band miniature microwave filter group based on LTCC technology | |
| CN105428758A (en) | UHF and L waveband miniature duplexer | |
| CN105119031A (en) | One-out-three minisize microwave filter set in VHF waveband and UHF waveband | |
| CN104377410A (en) | Multistage modular high-resistance band suppression filter | |
| CN105048026A (en) | Miniature 1.4GHz power divider based on three-dimensional integration |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151202 |