GG-1000M CATV headend maliksi pinakamahusay rf moduleitor
Maikling Paglalarawan:
GG-1000M CATV headend maliksi pinakamahusay rf moduleitor
tampok
1. HF naproseso nang may one-conversion nagsisiguro mababang out band makagambala
2. MCU control para sa dalas control at kawastuhan
3. LED Display. Apat na mga ilaw indicator para sa bawat channel, gamit ang UP at DOWN upang makontrol ang output Dalas.
4. Pal, NTSC at SECAM opsyonal
5. Double Side Band moduleitor
espesipikasyon
|
RF |
output Dalas |
47MHz-870MHz |
|
Dalas ng Katumpakan |
± 5kHz | |
|
output Level |
85dB | |
|
Out band Suppression |
- 60dBc max | |
|
output Impedance |
75 Ω | |
|
output Pagkawala |
12dB min | |
|
Video |
Video sa Audio Ratio |
18 ± 2dB |
|
input Level |
0.6 ~ 1.5Vp-p | |
|
Input impedance |
75Ω | |
|
Input Return Pagkawala |
30dB min | |
|
K VALUE |
4% max (2T pulse) | |
|
SNR (Timbang) |
60dB | |
|
delay Response |
40nsec | |
|
kapatagan |
± 1dB | |
|
Differential Gain |
± 5% (modulasyon 87.5%) | |
|
Differential Phase |
± 5 ° (modulasyon 87.5%) | |
|
audio |
input Level |
-10 ~ 10 dBm |
|
Input impedance |
10KΩ min | |
|
kapatagan |
± 1dB max (40Hz ~ 15kHz) | |
|
maharmonya Distortion |
1% | |
|
SNR |
-60db | |
|
Power Supply |
DC Input |
110 / 220V |
