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ST-135 Datasheet(Fiches technique) 1 Page - Filtronic Compound Semiconductors

Numéro de pièce ST-135
Description  Software Radio Demodulator for demodulating diverse signals
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Fabricant  FILTRONIC [Filtronic Compound Semiconductors]
Site Internet  http://www.filtronic.co.uk/
Logo FILTRONIC - Filtronic Compound Semiconductors

ST-135 Datasheet(HTML) 1 Page - Filtronic Compound Semiconductors

  ST-135 Datasheet HTML 1Page - Filtronic Compound Semiconductors  
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ST-135
Software Radio Demodulator
for demodulating diverse signals
Ordering Information
• 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
(SolarisTM drivers optional)
• TDM, TDMA, Push-to-Talk,
SCPC
• Matched filter CDMA
spread spectrum RX (opt.)
• FEC decoder (opt.)
Features
www.sigtek.com
9075 Guilford Road, C-1 • Columbia, MD 21046 • 410-290-3918 • 410-290-8146 fax
Soft decision bits:
RS-422 and VME P2
X-Y constellation:
SMA, high impedance scope
INPUT
OUTPUT
Signals:
BPSK, DBPSK, QPSK, DQPSK, FSK, and MSK
Rates:
PSK from 1.2 kS/s to 16 MS/s
FSK from 1.2 kS/s to 500 kS/s
Burst acquisition:
Phase estimator assisted
Carrier error tracking:
5% of symbol rate
DEMODULATION
A member 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.
ST-135-xxx Burst Demod
-000 : Analog input
-ECL : ECL input
-DMF : CDMA option
-FEC : FEC option
*Chassis are available upon request
001-0135-700 Rev. 1
Analog
Tuner/ADC
Digital Down
Converter
CDMA
Despread
(optional)
FEC
Capture
(optional)
Bit
Mapper
Digital
Demod
Carrier
NCO
Symbol
NCO
Analog
IF
I
Q
I and Q
Capture
Soft
Decisions
Analog
Tuner/ADC
Digital Down
Converter
CDMA
Despread
(optional)
FEC
Capture
(optional)
Bit
Mapper
Digital
Demod
Carrier
NCO
Symbol
NCO
Analog
IF
I
Q
I and Q
Capture
Soft
Decisions
ST-135 Software Radio Block Diagram
IF:
120 to 200 MHz 45 to 95 MHz (optional)
Level:
-10 to -60 dBm
External Reference:
10 MHz
Connector:
SMA, 50 ohm
FEC Decoder/Capture (optional)
Viterbi FEC:
1/2, 3/4, and 7/8 with constraint length 7
Capture buffer:
2 Msamples x 16-bit I and Q
Direct Sequence CDMA Spread Spectrum Receiver (optional)
Signals:
BPSK and QPSK
Chip rates:
1 MHz to 16 MHz
Sequence Length:
24 to 221 (SRAM loadable)
Acquisition:
1024 length, matched filter assisted,
serial despreader
ST-135 VME Card
Double width VME: 6U x 160mm


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