20 in1 Saw filter modulator
Features:
1. Fixed channel modulators for use in adjacent channel CATV Head end
2. SAW filtered-VSB filtering.
3. Independent internal Power Supply
4. Synthesized Oscillators-Crystal referenced, phase locked (Including the aural carrier)
5. Adopt internal active combiner and amplifier on the rack top
6. Small volume; twenty sole Modulator in one rack unit.
7. Compatible PAL;NTSC and SECAM signal standards
Specification:
|
Items |
Unit |
Parameter |
|
Output Frequency |
MHz |
47-860 |
|
RF Output Level |
dB |
90-110 |
|
Output impedance |
¦¸ |
75 |
|
Spurious Rejection |
dB |
>65 |
|
Frequency Tolerance |
KHz |
<3 |
|
Flatness |
dB |
<0.5 |
|
Video C/N |
dB |
¡Ý48 |
|
V/A Carrier Power Ratio |
dB |
10/20 |
|
Video Mod Depth |
|
¡Ý87.5 |
|
Audio carrier |
MHz |
6.5 /6.0/5.5/4.5Available |
|
Audio input semaphore |
V |
0.775 |
|
Power Supply |
|
AC110 or220 |
|
Power Consumption |
W |
|
|
Operating Temperature |
|
0-40 |
|
Dimensions |
MM |
485*210*220
|
|
Weight |
KGS |
15 |
