Global Patent Index - EP 1190466 A1

EP 1190466 A1 20020327 - DIELECTRIC RESONATOR CONFIGURATION FOR MICROWAVE-MULTIPOLE BANDPASS FILTERS

Title (en)

DIELECTRIC RESONATOR CONFIGURATION FOR MICROWAVE-MULTIPOLE BANDPASS FILTERS

Title (de)

DIELEKTRISCHE RESONATORKONFIGURATION FÜR MIKROWELLEN-MEHRPOLBANDPASSFILTER

Title (fr)

CONFIGURATION DE RESONATEUR DIELECTRIQUE POUR FILTRE PASSE-BANDE MULTIPOLAIRE A MICRO-ONDES

Publication

EP 1190466 A1 20020327 (DE)

Application

EP 00949093 A 20000613

Priority

  • DE 0001936 W 20000613
  • DE 19927798 A 19990618

Abstract (en)

[origin: DE19927798A1] The invention relates to a dielectric resonator configuration which uses two dielectric spacers in order to separate the dielectric resonator from two end plates. The resonator configuration provides a very high unloaded Q-factor for a mixed electromagnetic double wave (HEM11 delta wave) and a strong modulation and coupling of the (HEM11 delta wave). A negative and a positive cross coupling between non-adjacent waves can thus be attained, and N = 2k (k = 2, 3, 4 )-pole bandpass filters having quasi elliptical properties can be realized. This resonator configuration also makes it possible to prevent a self-maintaining discharge for filters which operate with high capacity and low-pressure gas and to attain an improved wave separation for multichannel filters.

IPC 1-7

H01P 7/10; H01P 1/208

IPC 8 full level

H01P 7/10 (2006.01); H01P 1/20 (2006.01); H01P 1/208 (2006.01); H01P 1/212 (2006.01); H01P 5/08 (2006.01)

CPC (source: EP)

H01P 1/2084 (2013.01)

Citation (search report)

See references of WO 0079640A1

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

DOCDB simple family (publication)

DE 19927798 A1 20010104; CA 2375879 A1 20001228; EP 1190466 A1 20020327; JP 2003502974 A 20030121; WO 0079640 A1 20001228

DOCDB simple family (application)

DE 19927798 A 19990618; CA 2375879 A 20000613; DE 0001936 W 20000613; EP 00949093 A 20000613; JP 2001505102 A 20000613