AMS Digital Equipment

4 Channel SD Encodulator

KEY FEATURES

It is the professional and high class product combining ultra low delay standard definition encoder and ATSC(8-VSB) modulator. It shows advanced modulating performance as well as the direct digital frequency conversion after advanced compressing and encoding for suitable digital transmission. Also it is very easy to control with high class front VFD.
• 4 HDMI inputs supported
• Highly performing modulation and up-converter integrated
• Low latency as 1,100ms
• MPEG-2 SD real time video encoding
• CBR or VBR outputs
• Dolby Digital(AC-3), MPEG-1 Layer II, audio encoding
• User selectable resolution and bit rate, output frequency
• Control and monitoring via web browser, front panel
• Phase Noise -108 dB@20KHz
• Frequency: 50MHz ~ 1GHz
• MER After Equalizer: 42dB
• RF Direct Digital Synthesis(DDS)
• Excellent RF output performance

Specification
Video Input : Digital Input 4 HDMI
Resolutions 480i29.97/30, 576i25
Aspect Ratio 4:3
Video Encoder : Encoding MPEG-2 MP@ML
Encoding Rate MPEG-2 : 4~20 Mbps
Chroma Format 4:2:0
Bit Rate Mode CBR,VBR
Latency 1,100ms~

Audio Input : Digital Input Embedded HDMI
Sampling Rate 48 KHz
Audio Encoder : Sampling Rate 48KHz
Dolby Digital® AC-3 128,192,256,384 Kbps
MPEG-1 Layer II 192,224,256,320,384 Kbps

TS Output
Transport Stream ASI 1 port
TS Bit Rate MPEG-2 : 4~20 Mbps
Packet Format 188 Byte

RF Output
Frequency Range : 50~1000 MHz
Impedance : 75 O

Output Level : 50 ± 5 dBmV
Level Control Range : 0 ~ -15 dB
MER After Equalizer 42 dB
MER Before Equalizer 40 dB
Phase Noise -110 dB@20KHz
Adjacent Channel Carrier/
Attenuation Characteristic := -50 dB (Out of band)
Spurious = -65 dB
Return Loss = 17 dB
Frequency Response ± 0.5 dB, Frequency Tolerance ± 2 ppm
Group Delay ± 20 ns , PCR Jitter = ± 200 ns

General
Power Requirements AC 90~230V, 50/60Hz
Power Consumption Max. 120W
Weight 4kg Operating Temperature -10~50°C
Dimension(W x H x D) 482 x 44 x 383 mm