It s the latest COFDM Coding modulation board developed by our company which is core component of the NLOS mobile transmission equipments, integrating MPEG-2 Picture Coding with COFDM modulation.
Technique Data
Operating Frequency 150- 900MHz,1000-1700MHz (Optional)
Output Level 0dBm
Base Band Unit
OFDM subcarrier number 2K/8K(mode)
Guard time interval 1/32,1/16,1/8,1/4(Optional)
Channel coding 1/2,2/3,3/4(Optional)
Modulating constellation diagram QPSK/16QAM/64QA(Optional)
Video/Audio parameters
Image format PAL or NTSC composite video
Image quality meet or exceed DVD effect
Image Resolution 720x576(pixels)
Compression standards MPEG-2,4:2:0,MP@ML
Coding rate 1-20Mbps
Audio in (double-track)12dBm
Audio Coding 728Kbps(Stereo)
Sampling frequency 32KHz
Video/Audio interface RCA@75(ohm unbalance)
Operating condition
Supply power DC12V/15V
Operating temperature -20 degree- +55degree
Other
degree
Control Users can choose a pre-determined eight channels through the panel
Auxiliary data 150bps-38.4Kbps RS232 data-adaptive (Optional) |
