Kev piav qhia
Modular Agile TV Channel Modulator MATCM-45 yog microprocessor tswj kev tshaj tawm zoo, theem kaw lub voj sib txuas ua ke, zaus agile CATV / TV TV modulator. Qhov kev hloov dua siab tshiab ob npaug thiab zoo dua SAW filtering muab cov channel sib raug zoo nyob ib sab thiab tso tawm tsis pub dawb. MATCM-45 muab 45dB tso zis theem ntawm 50 mus rau 864MHz nrog rau CATV thiab TV zaus. Kev teeb tsa channelization tuaj yeem hloov pauv los ntawm cov khawm nce / nqis nyob rau ntawm lub vaj huam sib luag pem hauv ntej.
- Muab ob npaug rau heterodyne conversion
- 45dBmV yam tsawg kawg @50-864MHz
- Tsis siv neeg band splitting lim rau superior carrier rau suab nrov piv
- SAW filtered
- Txhawb TV, CATV, zaus thiab kaw haujlwm
- FCC zaus offset nrog kev teeb tsa tsis siv neeg
- Ua ntej- hais txog kev swb hloov mus siv tau los ntawm sab vaj huam sib luag rau kev ntxig ntawm cov teeb liab sib xyaw BTSC tso suab.
Specification
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Qhov chaw ntawm Keeb Kwm: Guangdong, Suav |
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Tus Qauv Zauv: GDM-007 (MATCM-45) |
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Yam khoom |
TYPICAL |
QCLIMIT |
KEV TIV THAIV |
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RF tawm |
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Ntau zaus |
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54 - 864 MHz |
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FCC Frequency Offsets |
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Tsis siv neeg |
+12.5KHz, +25KHz lossis Tsis muaj raws li qhov xav tau rau txhua lub channel +12.5KHz: CATV CH14-16 CH25-41 CH43-53 +25KHz: CATV CH.42 CH98-99 |
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Output Channels |
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CATV: CH.2 - CH.135 TV (VHF)-CH.2-CH.13 (UHF).CH.14-CH.78 |
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Qib tso zis |
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+45 dBmV Min. |
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Tso zis theem tswj |
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>10 dB |
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Cov zis impedance |
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75 hmo |
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Daim duab Carrier zaus |
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65 khw |
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Inter - Carrier Frequency |
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65 khw |
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P/S Carrier Ratio |
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-11 - -30dB Min. |
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Sib nrug Channel Beat (-4.5MHz) |
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-60 dB Min. |
Tshaj nce tswj ntau yam |
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Passband Flatness |
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61.5 dB P / V Max. |
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Zoo siab - |
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@Tshaj Tawm Theem Teeb 45dBmV |
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Hauv Band |
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-60 dB Min. |
A/V ratio @-15dBc |
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Tawm ntawm Band |
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-58 dB Min. |
@ 54 - 864 MHz |
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Kev xaiv Channel |
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A/V ratio @-15dBc |
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Fv - 6.00MHz |
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55 dB Min. |
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Fv - 3.58MHz |
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55 dB Min. |
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Fv - 2.42MHz |
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55 dB Min. |
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Fv - 1.50MHz |
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55 dB Min. |
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Fv- 1.25MHz |
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30 dB Min. |
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Intermodulation Distortion |
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57dBc ua. |
Visual carrier @45dBmV |
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3 Tone 920 Sib |
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Aural cab kuj @-15dBc Fa +3.58MHz @-17dBc |
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Residual FM |
<2 KHz |
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Peak sib txawv @ 10KHz ncua |
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CARRIER / NOJ |
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60 dB Min. |
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Tso Tawm Rov Los Loss |
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-3 dB Min. |
@54 - 864MHz |
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hauv PUT |
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VIDEO |
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Video Input Impedance |
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7 5 awm |
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Max Video Qhov tob ntawm Modulation |
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87.5% Min. |
Cov tswv yim qib 0.8Vp-p |
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Video tswv yim @87.5% Modulation |
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1+0.4 , -0.3 Vp-p |
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C/L ncua |
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0 ± 50 hli |
Video 87.5% modulation, Test signal with TSG95 NTSC NTC7 cmpst. |
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Differential Dhase |
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Tsawg dua lossis sib npaug li 5 degree |
Test signal with TSG95 NTSC NTC7 cmpst. |
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Video Input Rov Los Poob |
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-18 dB Min. |
Mus txog 4.2 MHz |
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AUDIO |
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Suab Input Impedance |
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10 Khawm |
Tsis ncaj ncees lawm |
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Suab Deviation |
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260mV RMS Max. |
@ ± 25KHz PK iv/800Hz suab |
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Audio Pre- tseem ceeb |
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75u seb |
OF/OFF Switch xaiv |
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GENERAL |
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Connector Hom: VIDEO IN / RF OUT |
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F HOM |
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Connector Hom: AUDIO IN |
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RCA HOM |
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DC Fais fab Inpu-t |
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+12V / 280mA |
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± 0.2 VDC |
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+5V / 400mA |
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± 0.2 VDC |
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Ua haujlwm kub |
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@ O℃Rau +50 degree |
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Loj |
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W (2.5CM) * H (8.9CM) * D (21.5 hli) |
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Qhov hnyav |
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0.38 Kg |
FAQ
Q: Koj puas tuaj yeem tsim qhov kev txiav txim nrog tus neeg siv khoom lub npe?
A: Yog lawm, tau kawg. OEM & ODM kev pabcuam yog sov so.
Q: Koj tswj cov khoom zoo li cas?
A: Zoo ua ntej. Tag nrho peb cov khoom raug xaiv raug kuaj xyuas ua ntej ntim thiab xa khoom.
Q: Koj yuav xa cov khoom li cas?
A: Peb feem ntau thauj los ntawm hiav txwv lossis huab cua.
Q: Koj lub lag luam loj yog dab tsi?
A: Tebchaws Europe, North America, South America, Middle East, thiab lwm yam.
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