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Receive Products
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SR-4210 S/L-Band Receive System
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Provides complete RF to recovered data/clock outputs
for downlink signals. This includes RF signal filtering,
amplification, and translation, digital demodulation (including
FM, PM, PSK, PM/PSK, and FM/FSK), bit-synchronization,
and
configurable data decoding (including PCM, Viterbi, and
descrambling). For complex waveforms (i.e., multiple subcarriers
and/or baseband data), the product provides an IF output
which can be utilized to daisy chain receive operation
with
the SD-4220.
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SD-4220 General Purpose Demod
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This product incorporates the same demodulation, bit-synchronization,
and decoding logic as the SR-4210 S-Band Receive System
in a stand-alone package. When combined with the SR-4210,
any number of SD-4220’s can be interconnected to
provide recovery of additional waveforms present on a
main carrier
over and above the waveform being processed by the SR-4210
itself.
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SD-4280 High Speed Demodulator/Decoder
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The SD-4280 provides signal demodulation and decoding
for SQPSK and similar signals with data rates up to 200
Mbs. The unit features the latest high-speed FPGA and DSP
architecture resulting
in a high-performance, flexible solution.
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Transmit Products
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SM-4230 General Purpose Data and Waveform Generator
and Data Tester
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Product provides configurable data encoding on an external
digital input, including convolutional, PCM, and scrambling.
The digital outputs from the encoding may either be utilized
directly via external connections or may serve as the input
to a general purpose modulator, providing highly spectrally
pure and configurable PSK or FSK modulations for frequency
outputs ranging from DC to 10 MHz. Optionally, the product
may also be utilized as a SGLS compatible command tone encoder,
supporting common serial or dibit input modes. In this mode,
the unit produces an SGLS standard AM/FSK output waveform.
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SE-4250 / SE-4255 S/L-Band RF Exciter & Test Signal Simulator for Satellite Telemetry
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Product provides configurable data encoding on an external
digital input, including convolutional and PCM. The resulting
data may be modulated via PSK, PM, or FM onto an uplink
or downlink carrier frequency between 1400 and 2600MHz.
Alternatively, the product also supports direct analog input
to create modulation (PM or FM) onto the same frequencies.
This can be utilized to support subcarrier or complex (i.e.,
multiple subcarriers and/or baseband data) waveform outputs.
The SE-4250 supports data rates from 100 bps to 20 Mbps for legacy telemetry and communications applications. The SE-4255 High Data Rate RF Exciter supports data rates to 50 Mbps for communications or advanced waveform shaping and filtering.
Test features include programmable digital noise, PN Generation, and dual independent BER Testers for accurate Eb/No and SNR simulation.Satellite acquisition sweep/decay and Doppler simulation is included.
Options include secondary CW or Modulated uplink output
for LH/RH polarization requirements, secondary CW divide
by 2 output, and external frequency reference input.
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SE-4257 Quad-Band RF Exciter & Test Signal Simulator for Flight Telemetry
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Similar to the popular SE-4250 and SE-4255 poducts, the SE-4257 includes the ARTM Tier 0 (PCM/FM), Tier I (SOQPSK), and Tier II (Multi-h CPM) waveform standards for Flight and Range Telemetry use.
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SF-1660 S-Band Frequency Translator
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Product supports frequency translation from the uplink
to downlink frequencies of typical S-Band operation. It
also provides switch selectable control of multiple output
ports.
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Transmit/Receive and Other Products
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SX-4240 Multi-Mission Controller
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Product can provide the demodulation
and receive processing capability of the SD-4220 series
Demodulators along with the waveform generation, modulation,
and test capabilities of the SM-4230 series Modulators
in a single unit. It can be configured as a modulator/demodulator
(modem),
dual receiver, or dual modulator.
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SF-4260 S/L-Band Downconverter
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A multi-band downconverter covering all common S and L
band satellite telemetry links. Providing user selectable
filtering, amplification, and frequency translation, the
product may be utilized with the SD-4220 demod or with user
supplied equipment.
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Custom Equipment, Interfaces, or Modes of Operation
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Due to the firmware intensive nature of these Satellite
Telemetry products, additional modulation formats, coding
functions, acquisition strategies, and so forth can be readily
supported, even for previously fielded systems. Furthermore,
SRI frequently provides custom equipments to interface the
existing items with new frequency bands/communication links
or other unique interface requirements.
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* All specifications subject to change without
notice or obligation to retrofit.
Consult factory for custom options and/or alternate specifications
