AH2401H CATV Headend 24 mu 1 HDMI Fixed Channel Modulator
Nambala ya Chitsanzo: AH2401H
Mtundu:Softel
MOQ:1
Zizindikiro 24 za mawu ndi makanema mumsewu
Njira iliyonse ndi yodziyimira payokha
Kukhazikika kwa mafupipafupi komanso kulondola kwambiri
01
Mafotokozedwe Akatundu
1. CHIYAMBI
AH2401H ndi modulator ya ma frequency 24 yokhazikika. Idzakhala ndi ma siginecha a mawu ndi makanema okwana 24 mumsewu wokhala ndi ma siginecha a RF a ma TV channel 24. Chogulitsachi chimagwiritsidwa ntchito kwambiri m'mahotela, zipatala, masukulu, maphunziro apakompyuta, mafakitale, kuyang'anira chitetezo, makanema a VOD nthawi iliyonse yomwe mukufuna komanso malo ena osangalalira, makamaka posinthira ma TV a digito, komanso njira yowunikira pakati.
2. ZINTHU ZINA
- Yokhazikika komanso yodalirika
- AH2401H ya njira iliyonse ndi yodziyimira payokha, kusinthasintha kwa kasinthidwe ka njira
- Chithunzi cha ma frequency apamwamba ndi njira ya RF yolumikizira ma oscillator am'deralo (MCU) imagwiritsidwa ntchito, kukhazikika kwa ma frequency ndi kulondola kwakukulu.
- Ntchito ya tchipisi ta circuit iliyonse yolumikizidwa imagwiritsidwa ntchito, kudalirika konsekonse
- Mphamvu yamagetsi yapamwamba kwambiri, kukhazikika kwa maola 7x24
| AH2401H 24 mu 1 Modulator | |
| Kuchuluka kwa nthawi | 47～862MHz |
| Mlingo Wotulutsa | ≥105dBμV |
| Mlingo Wotulutsa Adj. Range | 0～-20dB (Yosinthika） |
| Chiŵerengero cha A/V | -10dB～-30dB (Yosinthika) |
| Kuletsa Kutuluka | 75Ω |
| Zotulutsa Zonyenga | ≥60dB |
| Kulondola kwa Mafupipafupi | ≤±10KHz |
| Kutayika Kobwerera Kotuluka | ≥12dB(VHF); ≥10dB(UHF) |
| Mulingo Wolowera Kanema | 1.0Vp-p (87.5% Kusintha) |
| Kulepheretsa Kulowetsa | 75Ω |
| Kupeza Kusiyana | ≤5% (87.5% Kusintha) |
| Gawo Losiyana | ≤5°(87.5% Kusintha） |
| Kuchedwa kwa Gulu | ≤45 ns |
| Kusalala Kowoneka | ±1dB |
| Kusintha kwa Kuzama | 0～90% |
| Kanema S/N | ≥55dB |
| Mulingo Wolowera Ma Audio | 1Vp-p(±50KHz） |
| Kuletsa Kulowetsa Ma Audio | 600Ω |
| Audio S/N | ≥57dB |
| Kutsindika Kwambiri kwa Audio | 50μs |
| Chikwama | Muyezo wa mainchesi 19 |
Gulu lakutsogolo
1. Kusintha kwa mulingo wa RF—Knob, mulingo wotulutsa wa RF wosinthika
2. Kusintha kwa chiŵerengero cha AV—Knob imasintha kutulutsa kwa chiŵerengero cha A / V
3. kusintha kwa voliyumu—Chogwirira kuti musinthe kukula kwa voliyumu yotuluka
4. kusintha kwa kuwala—Chogwirira kuti musinthe kuwala kwa chithunzi chotulutsa
Gulu lakumbuyo
A. Doko loyesera zotsatira: Doko loyesera zotsatira za kanema, -20dB
B. Kutulutsa kwa RF: Module ya Multiplexer yosinthidwa, mutasakaniza kutulutsa kwa RF
C. Malamulo otulutsa RF: Knob, mulingo wotulutsa wa RF wosinthika
D. Mphamvu yotulutsa mphamvu
Kuyika ma modulators angapo pamalo amodzi, mutha kutulutsa mphamvu kuchokera pamenepo kupita ku ma modulator ena kuti muchepetse kugwiritsa ntchito magetsi; samalani kuti musagwedezeke kuposa 5 kuti mupewe mphamvu yochulukirapo.
E. Mphamvu Yolowera: AC 220V 50Hz/110V 60Hz
F. Kulowetsa kwa RF
Kulowetsa kwa G. HDMI
AH2401H CATV Headend 24 mu 1 HDMI Fixed Channel Modulator.pdf
Chogulitsa
