Datasheet

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Terrestrial
Terrestrial
138
www.spaun.com
Terrestrial
Terrestrial Terrestrik / CATV
Audio/Video Modulator
VAM 420 NG DVB-T
• Stand-alone Audio/Video modulator into DVB-T
• Twin input for two independent AV sources
• Wide range of applications in the private or commercial sector
• The modulator output is adjacent channel compatible
• Wall or DIN rail mounting possible
• Internal test pattern generator can be activated by function key
• Possibility to connect an additional terrestrial signal
Video feed of:
• Event programs in hotels or guesthouses
• Digital TV programs via DVB receiver
• Information channels in large CATV systems
Model
Art. No.
VAM 420 NG DVB-T
821708
EAN 4040326217085
Video-/Audio-Inputs 2 / 2
Frequency range 110 ... 862 MHz
TV standard B/G/D/K/I/L/Au
HF Ausgang
Input impedance
75
BNC female
Outputlevel 85 dBμV + 2dB
Output level adjusting range 0 ... 15,5 dB (in 0,5 dB steps)
C/N ratio
> 50 dB
Output impedance
75
Return loss > 10 dB
Connector type RF F
Connector type audio, video RCA
Video
Input level 1+ 0,1 Vp-p
Input impedance
RCA 75
Audio
Processing
Encoding ISO /IEC11172-3 (MPEG1 audio) layer 2 compliant
Sample Rate 44,1 kHz
Compressed bit rate 256 Kbps
Audio Mode Stereo
Video
Processing
Encoding ISO/IEC13818-2 MPEG-2 MP@ML
Resolution 720 x 576 (at 25 fps), 720 x 480 (at 30 fps)
Frame rate 25 max. PAL, SECAM, 30 max. NTSC
Compressed system bit rate 2...9 Mbps
Modulation
MER > 35 dB
Modulation QPSK, QAM 16, QAM 64
Channel Bandwidth 7/8 MHz
GUARD Interval 1/4, 1/8, 1/16, 1/32
Power
Supply voltage 12V + 1V
Current consumption 650 mA
Ambient temperature 0 ... +50 °C
Dimensions (mm) 196 x 106 x 48