EchoStar dsb-700 fta 用户手册
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6. Specifications
1. Tuner & Channel
Input Connector
1 x F type with Loop through
Output Connector
1 x F type 75 Ohm IF signal out
Frequency Range
950MHz to 2150MHz
Input Impedance
75 Ohm
Signal Level
-25dBm to -65dBm
IF Frequency
480MHz
IF Bandwidth
36MHz
LNB Power & Polarization
Vertical
+13.5V~+14.5V
Horizontal
+17.5V~+18.5V
22KHz Tone
Frequency
22KHz ±2KHz
Amplitude
0.6Vp-p ±0.2Vp-p
Demodulation
QPSK
Input Symbol Rate
2~32Msps
FEC Decoder
Convolutional Code Rate
1/2, 2/3, 3/4, 5/6 and 7/8 with Constraint
Length K=7
2. MPEG Transport Stream A/V Decoding
Transport Stream
MPEG-2 ISO/IEC 13818
Transport Stream Specification
Profile & Level
MPEG-2
MP @ ML
Input T/S Data Rate
80Mbit/S Max.
Aspect Ratio
4:3, 16:9 with Pan Vector
Video Resolution
720 x 576 (PAL), 720 x 480 (NTSC)
Audio Decoding
MPEG-1 Audio Layer 1,2, Musicam
Audio Mode
Stereo, Dual Channel, Joint Stereo, Mono
Sampling Rate
32, 44.1 and 48KHz
3. Memory
Flash Memory
2M bytes
Program DRAM
8M bytes
EEPROM
2K bytes