ST-135 [FILTRONIC]
Software Radio Demodulator for demodulating diverse signals; 软件无线电解调器解调不同的信号
| 型号： | ST-135 |
| 厂家： | 
FILTRONIC COMPOUND SEMICONDUCTORS |
| 描述： | Software Radio Demodulator for demodulating diverse signals |
| 文件： | 总1页 (文件大小：106K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
ST-135
Amember of Filtronic Sigtek’s high performance VME software radio family, the
ST-135 high performance software radio demodulates a growing set of signals
including BPSK, DBPSK, QPSK, DQPSK, FSK and MSK. Bit rates from 1.2 Kbps
to 32 Mbps with future growth to 40 Mbps and beyond. The expandable software
radio architecture allows addition and enhancement of demodulation types.
Control software includes a JavaTM control application for TCP/IP remote
operation and NT device drivers. Options include a direct sequence CDMA
spread spectrum receiver and FEC decoder.
www.sigtek.com
Software Radio Demodulator
Features
for demodulating diverse signals
• Demodulates BPSK,
DBPSK, QPSK, DQPSK,
OQPSK, MSK, and FSK
• PSK symbol rates from
1.2 kS/s to 16 MS/s
• FSK symbol rates from
1.2 kS/s to 500 kS/s
• Phase estimator assisted
TDMA burst acquisition
• Tuning resolution of 1 Hz
• JavaTM remote control over
TCP/IP interface
• NT device drivers
ST-135 Software Radio Block Diagram
(SolarisTM drivers optional)
• TDM, TDMA, Push-to-Talk,
SCPC
I and Q
Capture
CDMA
FEC
Despread
(optional)
Capture
(optional)
• Matched filter CDMA
spread spectrum RX (opt.)
• FEC decoder (opt.)
Soft
Analog
IF
Decisions
I
Q
Analog
Digital Down
Converter
Digital
Bit
Tuner/ADC
Demod
Mapper
Carrier
NCO
Symbol
NCO
ST-135 VME Card
INPUT
IF:
120 to 200 MHz 45 to 95 MHz (optional)
Level:
-10 to -60 dBm
10 MHz
External Reference:
Connector:
SMA, 50 ohm
OUTPUT
Soft decision bits:
X-Y constellation:
RS-422 and VME P2
SMA, high impedance scope
DEMODULATION
Signals:
Rates:
BPSK, DBPSK, QPSK, DQPSK, FSK, and MSK
PSK from 1.2 kS/s to 16 MS/s
FSK from 1.2 kS/s to 500 kS/s
Phase estimator assisted
Burst acquisition:
Carrier error tracking:
5% of symbol rate
FEC Decoder/Capture (optional)
Double width VME: 6U x 160mm
Viterbi FEC:
1/2, 3/4, and 7/8 with constraint length 7
2 Msamples x 16-bit I and Q
Capture buffer:
Ordering Information
Direct Sequence CDMA Spread Spectrum Receiver (optional)
ST-135-xxx Burst Demod
-000 : Analog input
-ECL : ECL input
Signals:
BPSK and QPSK
Chip rates:
1 MHz to 16 MHz
Sequence Length:
Acquisition:
24 to 221 (SRAM loadable)
1024 length, matched filter assisted,
serial despreader
-DMF : CDMA option
-FEC : FEC option
*Chassis are available upon request
9075 Guilford Road, C-1 • Columbia, MD 21046 • 410-290-3918 • 410-290-8146 fax
001-0135-700 Rev. 1
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