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[ 87418 ]

CVBS to DVB-T Modulator


The 87418 is a DVB-T "home" modulator which allows the composition of a broadcast RF DVB-T signal consisting of one
CVBS + L/R audio signal. Its excellent picture quality and high MER renders it the ideal solution in cases where programs in CVBS
format (eg. coming from DVD players, cameras etc.)must be distributed in a CATV network using the DVB-T technology.The device
can be controlled either by using the onboard LCD display and the keypad or by the embedded Ethernet web server.

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Input1 x CVBS input
Connectors1 x RCA – Female
Impedance1Vp-p / 75Ω
StandardISO / IEC11172-3
Audio Bit Rate448Kb/s max.
Levelfrom 0.5Vpp to 1.0Vpp adjustable
Mpeg2 Encoder
StandardISO / IEC 13818-2 MP@ML (MPEG-2 4:2:0)
ResolutionPAL 720x576@25fps; NTSC 720x480@30fps
Bit Rate1 – 20 Mb/s adjustable
Parametri configurabiliService Name, Service ID, Video PID, Audio, PID, PMT PID, PCR PID
Transport Stream Processing
Automatic regenerationNIT,PAT,CAT,SDT, PMTs, EITs
Configurable parametersTS ID, Original Network ID, Network ID, Provider Name
Output DVB-T
StandardEN 300 744
Bandwidth5,6,7,8 MHz
CostellazzioneQPSK,16QAM, 64QAM
Guard interval1/4, 1/8, 1/16, 1/32
Code Rate1/2, 2/3, 3/4, 5/6, 7/8
RF output
Output frequencies118...950MHz (passo 1 Hz)
Output Level90dbμV max.
Connectors75Ω - F, female
Output attenuator0...20dB
MER38dB (Tipically)
Attenuation side: >50dBc
Loss loop-through output<1dB
Connectors2 x F - female
Supply +12VDC
Power consumption0.8 A
Temperature of use0 ºC to 50 ºC
Storage temperature-10 ºC to +70 ºC
HumidityMax 90%
Dimensions330 x 141 x 61mm