Title:
BAND PASS FILTER AND FILTER CIRCUIT COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2019/025154
Kind Code:
A3
Abstract:
A band pass filter comprises a series circuit of a first basic resonator section (BSl, BS2, BS3), a series capacitor (CS) and a second basic resonator section (BS4). Each basic resonator section comprises a parallel resonator and a series resonator.
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Inventors:
GAVRYLIUK OLEKSANDR (US)
KOMAKHA PETRO (US)
WONG WAI SAN (US)
KOMAKHA PETRO (US)
WONG WAI SAN (US)
Application Number:
PCT/EP2018/068984
Publication Date:
March 14, 2019
Filing Date:
July 12, 2018
Export Citation:
Assignee:
RF360 EUROPE GMBH (DE)
International Classes:
H03H9/54; H03H9/02; H03H9/56; H03H9/64; H03H9/72; H03H9/60; H03H9/70
Foreign References:
| US8701065B1 | 2014-04-15 | |||
| US20170201235A1 | 2017-07-13 | |||
| US2814021A | 1957-11-19 | |||
| US20160065165A1 | 2016-03-03 | |||
| US20170254336A1 | 2017-09-07 | |||
| US20130147578A1 | 2013-06-13 | |||
| US20160119017A1 | 2016-04-28 | |||
| US20100074240A1 | 2010-03-25 |
Other References:
NOVGORODOV V ET AL: "Modified ladder-type 2.4GHz SAW filter with transmission zero", ULTRASONICS SYMPOSIUM (IUS), 2010 IEEE, IEEE, 11 October 2010 (2010-10-11), pages 2083 - 2086, XP031952979, ISBN: 978-1-4577-0382-9, DOI: 10.1109/ULTSYM.2010.5935844
Attorney, Agent or Firm:
EPPING HERMANN FISCHER PATENTANWALTSGESELLSCHAFT MBH (DE)
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