Advanced Digital Technology Digital Satellite Receiver ADT-1500A Engineering Specifications I. Product Characteristics
II. Specifications
1. Front-end
1-1. LNB & Tuner Input
|
Input frequency |
950 to 2150 MHz |
|
Digital signal input level |
-65 to -25 dBm |
|
LNB supply |
13.0 ±0.5V / 18.0±0.7V, max.400mA |
|
Band switch control |
22KHz (Microprocessor control) |
|
Connector |
2 x F-Type, 3/8-32UNEF-2A (Loop Through) |
1-2. Demodulator
|
Demodulation type |
QPSK demodulation and FEC decoding in accordance with DVB prETS 300 421 |
|
Symbol rate (Rs) |
1 to 45 Msps |
|
SCPC and MCPC capability |
Yes |
2. Demultiplexing
* In accordance with ISO 13818-1
* Simultaneous access will occur for the following :
- 1 video stream of data rate up to 15 Mbits/s
- 1 audio stereo/mono stream of data rate up to 448 kbits/s, 32 PIDs Supported
3. Decryption
|
H/W Descrambling support |
Interface according to DVB Standard Interface |
4. Video Processing
|
Decompression |
MPEG-2 Main Profile @ Main Level with Letter Box filter |
|
Video buffer |
16 Mbits of DRAM is provided |
|
Video output |
PAL- 15 frame @720 x 576 / NTSC- 10 frame @720 x 480 |
|
Video format |
4:3, 16:9 |
5. Audio Processing
|
Decompression |
MPEG-1 layer and Musicam |
|
Outputs |
Stereo Channel / Dual Mono / Joint Stereo Channel |
6. Baseband Inputs / Outputs
6-1. TV SCART
|
Pin number |
19 |
|
Video format |
CVBS or Luminance (CVBS/Y) Software selectable for CVBS or S-Video |
|
Output impedance |
75 Ohms unbalanced (Max. 1Vpp) |
|
Bandwidth |
5MHz |
|
Pin number |
20 |
|
Video input |
CVBS Max. 1Vpp |
|
Input impedance |
75 Ohms unbalanced |
|
Bandwidth |
5MHz |
|
Pin number |
15 |
|
Red / Chrominance |
Max. 0.7V Software selectable for RGB or S-Video |
|
Output impedance |
75 Ohms unbalanced |
|
Pin number |
11, 7 |
|
GB |
Max. 0.7V |
|
Output impedance |
75 Ohms unbalanced |
|
Pin number |
16 |
|
Fast blanking |
0V to 5V |
|
Output impedance |
75 Ohms unbalanced . 0V - CVBS . 3.2V – RGB |
|
Pin number |
8 |
|
Function switch |
0V to 12V . 0V - television broadcast reproduction . 6V - 16:9 aspect ratio image . 12V - AV Mode (4:3 aspect ratio image) |
|
Pin number |
3, 1 |
|
Audio output |
Left, Right |
|
Output impedance |
1K Ohms unbalanced |
|
Level |
1.0V rms ±2dB into 10K Ohms |
|
Pin number |
6, 2 |
|
Audio inputs |
Left, Right |
|
Input impedance |
10K Ohms unbalanced |
|
Level |
1.0V rms ±2dB into 10K Ohms |
6-2. VCR SCART
|
Pin number |
19 |
|
Video output |
CVBS Max. 1Vpp |
|
Output impedance |
75 Ohms unbalanced |
|
Bandwidth |
5MHz |
|
Pin number |
20 |
|
Video input |
CVBS Max. 1Vpp |
|
Input impedance |
75 Ohms unbalanced |
|
Bandwidth |
5MHz |
|
Pin number |
8 |
|
Function switch |
0V to 12V 0V - No VCR playback >10V - VCR playback |
|
Pin number |
3, 1 |
|
Audio output |
Left, Right |
|
Output impedance |
1K Ohm unbalanced |
|
Level |
1.0Vrms ±2dB into 10K Ohms |
|
Pin number |
6, 2 |
|
Audio inputs |
Left, Right |
|
Input impedance |
10K Ohms unbalanced |
|
Level |
1.0V rms ±2dB into 10K Ohms |
6-3. Baseband Audio Output
|
Connector type |
2 x RCA (Left and Right) |
|
Output impedance |
1 Ohm unbalanced |
|
Level |
0.6V rms ±2dB into 10 Ohms |
6-4. Baseband Video Output
|
Connector type |
1 x RCA |
|
Video format |
CVBS Max. 1Vpp |
|
Output impedance |
75 Ohm unbalanced |
|
Bandwidth |
5MHz |
6-5. SVHS Output
|
Connector type |
1 x 4Pin DIN |
|
Video format |
Y, C |
|
Output impedance |
75 Ohm unbalanced |
|
Bandwidth |
5MHz |
7. Supply Voltage to LNB
|
Voltage supply path |
DC supplied from DSR on LNB coax cable |
|
LNB type supported |
LNB with integrated polarizer switch |
|
LNB supply voltage |
Software selectable . Vertical polarization : 13.0 ±0.5V DC. Horizontal polarization : 18.0 ±0.7V DC |
|
FSS/BSS Switching |
A 22kHz ±4kHz microprocessor controlled switching signal is provided |
|
Short circuit limit |
400mA |
8. External Switched 12V
|
Software switchable |
12V or 0V |
|
Current limit |
100mA |
9. Data Service port
|
Connector |
9-pin D-sub female |
|
Data protocol |
RS232C interface |
|
Data rate |
Maximum of 625K bits/s |
|
Pin |
Name |
Function |
Source |
|
1 |
DCD |
Carrier Detection |
DSR |
|
2 |
RXD |
Receive Data |
DSR |
|
3 |
TXD |
Transmit Data |
PC |
|
4 |
DTR |
Data Terminal Ready |
PC |
|
5 |
GND |
Signal Ground |
|
|
6 |
DSR |
Date Set Ready |
DSR |
|
7 |
RTS |
Request To Send |
PC |
|
8 |
CTS |
Clear To Send |
DSR |
|
9 |
RI |
Ring Indicator |
DSR |
10. Microprocessor
|
Microprocessor |
SGS-Thomson STi5500 |
|
Clock frequency |
50MHz |
|
RAM Memory |
2Mbyte |
|
Flash memory |
1Mbyte |
|
Video RAM |
16Mbit |
11. On Screen Display
* The DSR will be able to provide the following OSD functionality:
- 256 colors per display
- Bit-mapped type
- 720 x 576 pixels
12. RF Modulator
|
RF Output Signal |
PAL B/G, I, D/K, NTSC M PLL Type |
|
UHF Channel Output |
21 - 69 CH. |
|
Default Channel |
28 CH. |
13. Remote Control
|
Number of keys |
30 Keys |
|
Operating distance |
Up to 10m |
|
Battery |
2 x 1.5V (AAA type) |
14. Power Supply
|
Type |
Switching mode |
|
Main input voltage |
85 - 264V AC @ 50/60Hz ±5% |
|
Nominal power consumption |
40W |
|
Typical supply currents - +3.3V - +5DV - +8.0V - +12V - +22V - +30V |
1.5A 1.0A 1.2A 0.7A 0.5A 0.1A |
15. Physical Characteristics
15-1. Front Panel
|
Number of keys |
Seven |
|
Indicators |
Power on/off |
|
Display |
4 Digits |
|
Remote control input |
Infra-red receiver |
15-2. Rear Panel
|
Connectors |
2 x LNB Input/Output (F-type) 2 x SCART (TV / VCR) 1 x 0/12 Volt (RCA) 2 x Audio L/R (RCA) 1 x Video (RCA) 1 x SVHS (4Pin DIN) 1 x RS-232 (9-pin D-sub male) 2 x RF Modulator (IEC169-2) |
NOTE) Above specifications are subject to be changed without prior notice
.
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Telsat® Communications Ltd
Palmerston North, (Knowledge City) NEW ZEALAND (Aotearoa). Established in 1988. Tel: +64-6-356-2749, Fax: +64-6-355-2141, Toll Free 0800-TELSAT (NZ Only). |