2 1 A-2 ngo-1 esisigxina chnnal modulator cable tv
Inkcazo elifutshane:
GG-215 2 1 A-2 ngo-1 esisigxina chnnal modulator cable tv
Iimbonakalo
1. Inkqubo frequency esiPhakathi, isalathiso eliphezulu olusebenzayo.
inkqubo okucoca 2. Saw.
3. izindlu ntofontofo.
4. kulo MMIC aphezu iindawo ezingundoqo kunye nobuchwepheshe SMT yi
isicelo kwicandelo lulonke.
5. Digital ibonisa inombolo isiteshi.
6. uwenza Isiphumo screw izihluzi.
7. lokhuseleko kunye nozinzo eliphezulu lobushushu.
uhlengahlengiso level 8. Isiphumo kunye uhlengahlengiso A / V kwiqela ngaphambili.
9. PLL yokuzoba lisetyenziswe audio and RF bendawo
oscillator, uzinzo rhoqo kunye nokuchaneka eliphezulu.
10. Singenza iindlela ezahlukeneyo ngokungqinelana izicelo umthengi.
Ukucacisa
|
Bonakalisa |
Range yemveliso Ubuninzi |
45-230MHz |
|
Frequency Ukuchaneka |
5KHz ± | |
|
yemveliso Level |
113dBmV (<550MHz) | |
|
Out of Band Suppression |
≥ 60dB | |
|
Side-band Suppression |
≥ 60dB | |
|
yemveliso ukuvimba |
75Ω | |
|
Ividiyo ku Audio Carrier Ratio |
-10dB ~ -20dB | |
|
video Ubuninzi |
input Level |
0.6 ~ 1.5Vp-p |
|
input ukuvimba |
75Ω | |
|
input Reflection |
30dB min | |
|
K lomlingani |
4% max (2T ukubetha) | |
|
Video s / n |
50dB (akukho ugxininiso) | |
|
C / L Delay |
40nsec | |
|
Frequency Response |
± 1dB (25Hz ~ 5.8MHz) | |
|
umehluko Gain |
± 4% (kwezwi 87,5 887.58787.5) 87.587.585.7) 87,5) 87,5) | |
|
Phase umehluko |
± 4 ° (kwezwi 87.5) | |
|
Audio Ubuninzi |
input Level |
-10 ~ 10 DBM |
|
input ukuvimba |
10KΩ min | |
|
Frequency Response |
± 1dB max (40Hz ~ 15KHz) | |
|
Uphazanyiso |
1% | |
|
Uphawu Emsindweni Ratio |
-60dB | |
|
Audio Picture Ikhefu |
Ngokutsho inkqubo TV umgangatho | |
|
amandla supply |
I-Voltage
|
220V okanye 110V |
