Nothing Special   »   [go: up one dir, main page]

Muller et al., 2009 - Google Patents

Stepped impedance microstrip couplers with improved directivity

Muller et al., 2009

View PDF
Document ID
11909883837122084094
Author
Muller J
Friesicke C
Jacob A
Publication year
Publication venue
2009 IEEE MTT-S International Microwave Symposium Digest

External Links

Snippet

This paper presents the design of microstrip couplers with improved directivity. In order to compensate for the unequal phase velocities of even-and odd-mode in inhomogeneous media, the coupler is subdivided into multiple sections. It is shown that by properly choosing …
Continue reading at www.researchgate.net (PDF) (other versions)

Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01PWAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P5/00Coupling devices of the waveguide type
    • H01P5/12Coupling devices having more than two ports
    • H01P5/16Conjugate devices, i.e. devices having at least one port decoupled from one other port
    • H01P5/18Conjugate devices, i.e. devices having at least one port decoupled from one other port consisting of two coupled guides, e.g. directional couplers
    • H01P5/184Conjugate devices, i.e. devices having at least one port decoupled from one other port consisting of two coupled guides, e.g. directional couplers the guides being strip lines or microstrips
    • H01P5/185Edge coupled lines
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01PWAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P5/00Coupling devices of the waveguide type
    • H01P5/12Coupling devices having more than two ports
    • H01P5/16Conjugate devices, i.e. devices having at least one port decoupled from one other port
    • H01P5/18Conjugate devices, i.e. devices having at least one port decoupled from one other port consisting of two coupled guides, e.g. directional couplers
    • H01P5/181Conjugate devices, i.e. devices having at least one port decoupled from one other port consisting of two coupled guides, e.g. directional couplers the guides being hollow waveguides
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01PWAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P5/00Coupling devices of the waveguide type
    • H01P5/12Coupling devices having more than two ports
    • H01P5/16Conjugate devices, i.e. devices having at least one port decoupled from one other port
    • H01P5/19Conjugate devices, i.e. devices having at least one port decoupled from one other port of the junction type
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01PWAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00Auxiliary devices
    • H01P1/20Frequency-selective devices, e.g. filters
    • H01P1/201Filters for transverse electromagnetic waves
    • H01P1/203Strip line filters
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01PWAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P5/00Coupling devices of the waveguide type
    • H01P5/08Coupling devices of the waveguide type for linking dissimilar lines or devices
    • H01P5/10Coupling devices of the waveguide type for linking dissimilar lines or devices for coupling balanced with unbalanced lines or devices
    • H01P5/107Hollow-waveguide/strip-line transitions
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01PWAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P3/00Waveguides; Transmission lines of the waveguide type
    • H01P3/02Waveguides; Transmission lines of the waveguide type with two longitudinal conductors
    • H01P3/08Microstrips; Strip lines
    • H01P3/081Micro-striplines
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01PWAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00Auxiliary devices
    • H01P1/20Frequency-selective devices, e.g. filters
    • H01P1/213Frequency-selective devices, e.g. filters combining or separating two or more different frequencies
    • H01P1/2135Frequency-selective devices, e.g. filters combining or separating two or more different frequencies using strip line filters
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01PWAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00Auxiliary devices
    • H01P1/32Non-reciprocal transmission devices
    • H01P1/38Circulators
    • H01P1/383Junction circulators, e.g. Y-circulators
    • H01P1/387Strip line circulators
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01PWAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P5/00Coupling devices of the waveguide type
    • H01P5/02Coupling devices of the waveguide type with invariable factor of coupling

Similar Documents

Publication Publication Date Title
Uysal et al. Synthesis, design, and construction of ultra-wide-band nonuniform quadrature directional couplers in inhomogeneous media
US7336142B2 (en) High frequency component
US7084715B2 (en) Coupling device
Maloratsky Passive RF and microwave integrated circuits
US4376921A (en) Microwave coupler with high isolation and high directivity
US20050258917A1 (en) Microstrip directional coupler
Amini et al. A single-layer balanced directional coupler design based on crossover structures
Martel et al. Design of a differential coupled-line directional coupler using a double-side coplanar waveguide structure with common-signal suppression
Yazdanbakhsh et al. Microstrip Butler matrix design and realization for 7 T MRI
EP1447877A1 (en) Transmission line having photonic band gap coplanar waveguide structure and method for fabricating power divider using the same
Muller et al. Stepped impedance microstrip couplers with improved directivity
Tas et al. Using phase relations in microstrip directional couplers to achieve high directivity
Moon et al. V-band CPW 3-dB tandem coupler using air-bridge structure
WO2001056108A9 (en) Balun formed from symmetrical couplers and method for making same
Hrobak et al. Design and construction of an ultrawideband backward wave directional coupler
Müller et al. Advanced characterization and design of compensated high directivity quadrature coupler
US8314664B2 (en) Microstrip technology hyperfrequency signal coupler
Gruszczynski et al. Design of high‐performance three‐strip 3‐DB directional coupler in multilayer technology with compensated parasitic reactances
Nghe et al. Performance optimization of capacitively compensated directional couplers
Gołaszewski et al. High directivity microstrip couplers
Golaszewski et al. Properties of high directivity microstrip couplers
Chan et al. Design and analysis of a decade bandwidth 180° hybrid coupler
Abdalmagd Design and Implementation of High Directivity Directional Coupler at VHF Band Using Grounding Composed of Strip Lines Technics
Hongjie et al. Ka-band Wilkinson power divider based on chip resistor
US20230238679A1 (en) Multi-section directional coupler, a method for manufacturing a multi-section directional coupler and a method for operating a multi-section directional coupler