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Δορυφορική, Επίγεια λήψη, IPTV και Τηλεπικοινωνίες
Εγκαταστάσεις – Εξοπλισμός – Οδηγοί
HD modulator (διαμορφωτής)
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<blockquote data-quote="gde641" data-source="post: 1056735964" data-attributes="member: 36722"><p><strong>Re: Απάντηση: HD modulator (διαμορφωτής)</strong></p><p></p><p>TECHNICAL SPECIFICATIONS(tecatel Dim2 dvb-t modulator):</p><p>INPUT</p><p>Video input</p><p>CVBS / S-VHS</p><p>Video input level</p><p>0,5 – 2 Vpp</p><p>Video mode</p><p>PAL / NTSC</p><p>Audio input</p><p>Stereo</p><p>Audio input level</p><p>0,4 – 2,5 Vpp</p><p>Input connectors</p><p>Video (RCA o S-VHS) y Audio (RCA L y R)</p><p>Input impedance 75 Ω MODULATION</p><p>Video resolution</p><p>PAL 720 x 576 @ 25 fps / NTSC 720 x 480 @ 30 fps</p><p>Video compression</p><p>MPEG2 MP@ML</p><p>Audio compression</p><p>MPEG1 Layer II</p><p>PSI/SI generation</p><p>PSI: PAT, PMT; SI: SDT, NIT</p><p>LCN</p><p>Yes</p><p>Standard</p><p>ETSI EN 300 744 V1.5.1</p><p>Carrier</p><p>2K</p><p>Guard intervals</p><p>1/4, 1/8, 1/16, 1/32</p><p>Code rate</p><p>1/2, 2/3, 3/4, 5/6, 7/8</p><p>Constellations</p><p>16 QAM / 64 QAM OUTPUT</p><p>Frequency range</p><p>47 – 862 MHz</p><p>Output level 85 dBμV</p><p>Output impedance 75 Ω</p><p>Channel bandwidth</p><p>7 – 8 MHz</p><p>Output level adjustment</p><p>15 dB typ.</p><p>MER</p><p>30 dB typ.</p><p>Fine tunning</p><p>1 kHz</p><p>Connector type</p><p>“F” Female GENERAL</p><p>Power supply</p><p>230 VAC – 12 VDC</p><p>Consumption</p><p>600 mA @ 12 VDC</p><p>Temperature Range</p><p>0 ~ +45 ºC</p><p>Languages</p><p>English, French, Spanish, Portuguese, Italian, German, Polish…</p><p>Dimensions / Weight</p><p>113 x 92 x 45 mm / 0,31 kg</p></blockquote><p></p>
[QUOTE="gde641, post: 1056735964, member: 36722"] [b]Re: Απάντηση: HD modulator (διαμορφωτής)[/b] TECHNICAL SPECIFICATIONS(tecatel Dim2 dvb-t modulator): INPUT Video input CVBS / S-VHS Video input level 0,5 – 2 Vpp Video mode PAL / NTSC Audio input Stereo Audio input level 0,4 – 2,5 Vpp Input connectors Video (RCA o S-VHS) y Audio (RCA L y R) Input impedance 75 Ω MODULATION Video resolution PAL 720 x 576 @ 25 fps / NTSC 720 x 480 @ 30 fps Video compression MPEG2 MP@ML Audio compression MPEG1 Layer II PSI/SI generation PSI: PAT, PMT; SI: SDT, NIT LCN Yes Standard ETSI EN 300 744 V1.5.1 Carrier 2K Guard intervals 1/4, 1/8, 1/16, 1/32 Code rate 1/2, 2/3, 3/4, 5/6, 7/8 Constellations 16 QAM / 64 QAM OUTPUT Frequency range 47 – 862 MHz Output level 85 dBμV Output impedance 75 Ω Channel bandwidth 7 – 8 MHz Output level adjustment 15 dB typ. MER 30 dB typ. Fine tunning 1 kHz Connector type “F” Female GENERAL Power supply 230 VAC – 12 VDC Consumption 600 mA @ 12 VDC Temperature Range 0 ~ +45 ºC Languages English, French, Spanish, Portuguese, Italian, German, Polish… Dimensions / Weight 113 x 92 x 45 mm / 0,31 kg [/QUOTE]
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HD modulator (διαμορφωτής)
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