Anordning for regulering av et kombineringsfilter, samt fremgangsmåte for isolasjonsmåling på radiosendere
PCT No. PCT/FI93/00567 Sec. 371 Date Oct. 25, 1994 Sec. 102(e) Date Oct. 25, 1994 PCT Filed Dec. 29, 1993 PCT Pub. No. WO94/16497 PCT Pub. Date Jul. 21, 1994.A device for tuning a combiner filter. The measuring signals (Prl . . . Prn, PF1 . . . PFn) of a number of different combiner filters are mult...
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| creator | KYLLOENEN, JUKKA TIKKA, HARRI NIEMITALO, ESA VASANOJA, JUHA NOUSIAINEN, SEPPO HEIKKILO, PEKKA HAUKIPURO, TEUVO KAINULAINEN, MARTTI KOUKKARI, EERO |
| description | PCT No. PCT/FI93/00567 Sec. 371 Date Oct. 25, 1994 Sec. 102(e) Date Oct. 25, 1994 PCT Filed Dec. 29, 1993 PCT Pub. No. WO94/16497 PCT Pub. Date Jul. 21, 1994.A device for tuning a combiner filter. The measuring signals (Prl . . . Prn, PF1 . . . PFn) of a number of different combiner filters are multiplexed to the same detectors. Multiplexing allows the measuring and adjusting electronics required by the tuning and adjusting means of combiner filters to be simplified considerably especially with a high number of combiner filters. Multiplexing of measuring signals is used primarily to select the sample signals of the forward and reflected power of one and the same combiner filter to be tuned for the measuring electronics. In the invention selectors for reflected power and forward power are independent of each other, which allows isolation measurement between different channels. The sample signal of the forward power of one combiner filter and the sample signal of the reflected power of another combiner filter are thus connected to the measuring electronics. When both sample signals undergo frequency-selective detection at the same frequency, the degree of isolation between the radio channels will be determined. |
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No. WO94/16497 PCT Pub. Date Jul. 21, 1994.A device for tuning a combiner filter. The measuring signals (Prl . . . Prn, PF1 . . . PFn) of a number of different combiner filters are multiplexed to the same detectors. Multiplexing allows the measuring and adjusting electronics required by the tuning and adjusting means of combiner filters to be simplified considerably especially with a high number of combiner filters. Multiplexing of measuring signals is used primarily to select the sample signals of the forward and reflected power of one and the same combiner filter to be tuned for the measuring electronics. In the invention selectors for reflected power and forward power are independent of each other, which allows isolation measurement between different channels. The sample signal of the forward power of one combiner filter and the sample signal of the reflected power of another combiner filter are thus connected to the measuring electronics. When both sample signals undergo frequency-selective detection at the same frequency, the degree of isolation between the radio channels will be determined.</description><edition>5</edition><language>nor</language><subject>BASIC ELECTRIC ELEMENTS ; BASIC ELECTRONIC CIRCUITRY ; ELECTRIC COMMUNICATION TECHNIQUE ; ELECTRICITY ; IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS ; RESONATORS ; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE ; SELECTING RESONANT CIRCUITS ; TRANSMISSION ; TUNING RESONANT CIRCUITS ; WAVEGUIDES</subject><creationdate>2000</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20000103&DB=EPODOC&CC=NO&NR=306889B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20000103&DB=EPODOC&CC=NO&NR=306889B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KYLLOENEN, JUKKA</creatorcontrib><creatorcontrib>TIKKA, HARRI</creatorcontrib><creatorcontrib>NIEMITALO, ESA</creatorcontrib><creatorcontrib>VASANOJA, JUHA</creatorcontrib><creatorcontrib>NOUSIAINEN, SEPPO</creatorcontrib><creatorcontrib>HEIKKILO, PEKKA</creatorcontrib><creatorcontrib>HAUKIPURO, TEUVO</creatorcontrib><creatorcontrib>KAINULAINEN, MARTTI</creatorcontrib><creatorcontrib>KOUKKARI, EERO</creatorcontrib><title>Anordning for regulering av et kombineringsfilter, samt fremgangsmåte for isolasjonsmåling på radiosendere</title><description>PCT No. PCT/FI93/00567 Sec. 371 Date Oct. 25, 1994 Sec. 102(e) Date Oct. 25, 1994 PCT Filed Dec. 29, 1993 PCT Pub. No. WO94/16497 PCT Pub. Date Jul. 21, 1994.A device for tuning a combiner filter. The measuring signals (Prl . . . Prn, PF1 . . . PFn) of a number of different combiner filters are multiplexed to the same detectors. Multiplexing allows the measuring and adjusting electronics required by the tuning and adjusting means of combiner filters to be simplified considerably especially with a high number of combiner filters. Multiplexing of measuring signals is used primarily to select the sample signals of the forward and reflected power of one and the same combiner filter to be tuned for the measuring electronics. In the invention selectors for reflected power and forward power are independent of each other, which allows isolation measurement between different channels. The sample signal of the forward power of one combiner filter and the sample signal of the reflected power of another combiner filter are thus connected to the measuring electronics. 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No. WO94/16497 PCT Pub. Date Jul. 21, 1994.A device for tuning a combiner filter. The measuring signals (Prl . . . Prn, PF1 . . . PFn) of a number of different combiner filters are multiplexed to the same detectors. Multiplexing allows the measuring and adjusting electronics required by the tuning and adjusting means of combiner filters to be simplified considerably especially with a high number of combiner filters. Multiplexing of measuring signals is used primarily to select the sample signals of the forward and reflected power of one and the same combiner filter to be tuned for the measuring electronics. In the invention selectors for reflected power and forward power are independent of each other, which allows isolation measurement between different channels. The sample signal of the forward power of one combiner filter and the sample signal of the reflected power of another combiner filter are thus connected to the measuring electronics. When both sample signals undergo frequency-selective detection at the same frequency, the degree of isolation between the radio channels will be determined.</abstract><edition>5</edition><oa>free_for_read</oa></addata></record> |
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| subjects | BASIC ELECTRIC ELEMENTS BASIC ELECTRONIC CIRCUITRY ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS RESONATORS RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE SELECTING RESONANT CIRCUITS TRANSMISSION TUNING RESONANT CIRCUITS WAVEGUIDES |
| title | Anordning for regulering av et kombineringsfilter, samt fremgangsmåte for isolasjonsmåling på radiosendere |
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