Selectable notch filter

Selectable notch filter

According to one exemplary embodiment, a selectable notch filter includes a transmission line, a bias circuit, and a switch for selectably coupling the transmission line to ground. In one embodiment, the switch is a PIN diode. The selectable notch filter can selectably suppress a first frequency fro...

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Hauptverfasser: NINAN LUKOSE, KRAFFT STEPHEN E
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRICITY
RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
WAVEGUIDES
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creator NINAN LUKOSE
KRAFFT STEPHEN E
description According to one exemplary embodiment, a selectable notch filter includes a transmission line, a bias circuit, and a switch for selectably coupling the transmission line to ground. In one embodiment, the switch is a PIN diode. The selectable notch filter can selectably suppress a first frequency from being output when the transmission line is coupled to ground. Additionally, the selectable notch filter can selectably suppress a second frequency from being output when the transmission line is not coupled to ground. In one embodiment, the first frequency is approximately equal to a multiple of two of the second frequency. In one embodiment, the selectable notch filter can utilize more than one transmission line.
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The selectable notch filter can selectably suppress a first frequency from being output when the transmission line is coupled to ground. Additionally, the selectable notch filter can selectably suppress a second frequency from being output when the transmission line is not coupled to ground. In one embodiment, the first frequency is approximately equal to a multiple of two of the second frequency. 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In one embodiment, the selectable notch filter can utilize more than one transmission line.</description><subject>BASIC ELECTRIC ELEMENTS</subject><subject>ELECTRICITY</subject><subject>RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE</subject><subject>WAVEGUIDES</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2008</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZBAPTs1JTS5JTMpJVcjLL0nOUEjLzClJLeJhYE1LzClO5YXS3AzKbq4hzh66qQX58anFBYnJqXmpJfGhwUYGBhaGRpYmRoaOhsbEqQIATM4iwg</recordid><startdate>20080605</startdate><enddate>20080605</enddate><creator>NINAN LUKOSE</creator><creator>KRAFFT STEPHEN E</creator><scope>EVB</scope></search><sort><creationdate>20080605</creationdate><title>Selectable notch filter</title><author>NINAN LUKOSE ; KRAFFT STEPHEN E</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US2008129421A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2008</creationdate><topic>BASIC ELECTRIC ELEMENTS</topic><topic>ELECTRICITY</topic><topic>RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE</topic><topic>WAVEGUIDES</topic><toplevel>online_resources</toplevel><creatorcontrib>NINAN LUKOSE</creatorcontrib><creatorcontrib>KRAFFT STEPHEN E</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>NINAN LUKOSE</au><au>KRAFFT STEPHEN E</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Selectable notch filter</title><date>2008-06-05</date><risdate>2008</risdate><abstract>According to one exemplary embodiment, a selectable notch filter includes a transmission line, a bias circuit, and a switch for selectably coupling the transmission line to ground. In one embodiment, the switch is a PIN diode. The selectable notch filter can selectably suppress a first frequency from being output when the transmission line is coupled to ground. Additionally, the selectable notch filter can selectably suppress a second frequency from being output when the transmission line is not coupled to ground. In one embodiment, the first frequency is approximately equal to a multiple of two of the second frequency. In one embodiment, the selectable notch filter can utilize more than one transmission line.</abstract><oa>free_for_read</oa></addata></record>
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subjects BASIC ELECTRIC ELEMENTS
ELECTRICITY
RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
WAVEGUIDES
title Selectable notch filter
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