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SIGINT Tuners: Miniatures, VME, PCi, Transceiver, Rackmount

Tuners - Miniatures

SI-9144 DUAL-CHANNEL PHASE-COHERENT VHF/UHF TUNER

The SI-9144 is a subminiature, microprocessor-controlled, dual-channel, wideband tuner capable of tuning over the VHF/UHF spectrum from 20 to 3000 MHz in 100 kHz steps. The SI-9144’s small size and low power consumption make the unit ideal for portable wideband tuning applications where power reduction and weight are crucial considerations. The SI-9144 may be remotely configured to distribute its local oscillator (LO) signals to operate either in the phase-coherent (master/slave) local oscillator (LO) mode or in an independent LO mode.

The unit is controlled remotely over a single- or multi-drop RS-232C or a low-speed universal serial bus (USB 1.1) interface. In addition to fixed frequency tuning, the SI-9144 provides a sweep scan (coverage from a start to a stop frequency in defined steps) and a step scan (preprogrammed discrete frequencies). A lockout function is available during sweep scans to block reception of undesired portions of the RF spectrum. The SI-9144 contains non-volatile memory for storage of up to 200 sweep/step setups and 200 lockout bands.

In addition to manual gain control, the unit provides an automatic gain control (AGC) algorithm that can be used to maintain the 70 MHz IF output of each channel at a user-selectable level. The SI-9144’s two 70 MHz IF outputs may be routed to a SI-9475 Miniature IF Digitizer to create an RF-to-IF real-time or snapshot data collection system.

SI-9144 Highlights

20 to 3000 MHz tuning range with 100 kHz tuning resolution
Operates as a dual-channel phase-coherent tuner or as two independent tuners
Two 70 MHz IF outputs with either a 6 or 25 MHz user-selectable IF bandwidth
Manual or automatic gain control (AGC)
RS-232C (single- or multi-drop) or USB remote control
Fixed frequency tuning and fast, flexible scan modes
Compact, single-unit “brick” approach simplifies transport and deployment
Total power consumption less than 8 watts
Optional battery for operation without an external power supply

Public Release IAW 22 CFR (ITAR) 120.11(7). Export of DRS SIGNAL SOLUTIONS, INC. products is subject to U.S. export controls. Licenses may be required. This material provides up-to-date general information on product performance and use. It is not contractual in nature, nor does it provide warranty of any kind. Information is subject to change at any time. Copyright © DRS SIGNAL SOLUTIONS, INC. 2003. All Rights Reserved.

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SI-9291 6-GHz FREQUENCY EXTENDER

The SI-9291 Frequency Extender (FE) is designed specifically to extend the operating capabilities of four DRS receivers — the SI-8614 Nanoceptor™ and the WJ-860X Family of Miniceptor™ Receivers — but it has practical applications with any receiver that is capable of tuning up to 2.7 GHz. The FE accepts inputs of 20 MHz to 6 GHz. It converts signals greater than 2700 MHz to an IF output range of 1.2 to 2.1 GHz, and outputs 20-to-2700 MHz input signals without processing. The SI-9291 output directly feeds the RF input of a receiver with a suitable tuning range. It can be purchased as a stand-alone unit; as the heart of a field installation kit providing all hardware and cabling required to integrate the FE with a receiver; or integrated into an SI -8906/SYS Receiving System with a WJ-8607A, WJ-8607B, or WJ-8607C configured with the 860XA/3GFE option. Other candidates for operations with the SI-9291 are the WJ-8607 or WJ-8609A receivers when configured with the 860X/3GFE option.

The SI-9291 operates in distinct input bands. Band 1 provides a 900 MHz wide output centered at 1650 MHz, while Bands 2, 3, and 4 provide an 800 MHz wide output centered at 1600 MHz. FE gain is controlled by selecting 0 dB, 6 dB, or 12 dB RF attenuator paths.

The unit operates on a 12-Vdc input power and consumes less than 8 Watts. Power conservation is made available by the SI-9291’s sleep capability. The FE responds to a SLEEP command from the host receiver by turning off all supply voltages except for the one that control the sleep logic. Subsequent activity on the control port awakens the FE for normal operation.

SI-9291 Highlights

6-GHz frequency extender
Accepts an RF input from 20 MHz to 6 GHz
Outputs 1.2 to 2.1 GHz for input frequencies above 2700 MHz
Extends all capabilities of WJ-8607A, WJ-8607B, WJ-8607C, seamlessly
(860XA/3GFE and /9291 options required)
Extends all capabilities of SI-8614 Nanoceptor™
Extends frequency range of WJ-8607 or WJ-8609A (860X/3GFE option required) (scan and step operations limited to 20 MHz to 3 GHz)
Extends capabilities of receivers tunable to 3 GHz if operated with host PC with two RS-232 ports
Single-drop RS-232C interface
Sleep mode
Stand-alone or system configurations available
Compact: 1.35 H x 10.74 D x 6.5 W inches (3.43 x 27.28 x 16.51 cm)
Power consumption < 8 Watts

Accessory Item Options:

9291/STAL/AI: Accessory cables for stand-alone SI-9291
9291/8607A/AI: Accessory cables used when operating with WJ‑8607A, WJ-8607B, or WJ -8607C
9291/8607/AI: Accessory cables used when operating with WJ-8607 or WJ-8609A
9291/8614/AI: Accessory cables used when operating with SI-8614 (Release 04.00 or up)*

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Tuners - VME

SI-7002 DUAL-CHANNEL VME UPCONVERTER

The SI-7002 is a microprocessor-controlled dual-channel wideband VME VHF/UHF upconverter capable of providing two independent signals each providing a wideband VHF/UHF spectrum tunable from 20 to 3000 MHz with degraded performance down to 2 MHz. It contains two upconverter modules that may be remotely configured to accept one of two analog IF inputs — one centered at 70 MHz or the other centered at 16.25 MHz.

The SI-7002’s output signal characteristics of each channel are dependent on the bandwidth option installed and the input selection. SI-7002 upconverters that include the 25 MHz bandwidth option provide unit gain performance of -5 dB ±2 dB when using the 16.25 MHz IF inputs. With the 30 MHz bandwidth option installed, the SI-7002 provides unit gain performance of 3 dB ±2 dB using the 70 MHz IF inputs, while allowing degraded performance using the 16.25 MHz IF inputs. The spectrum of the output is inverted with respect to the 70 MHz IF input or is upright with respect to the 16.25 MHz IF input.

The SI-7002 is packaged in a single-slot 6U VME card with all functions and controls accessible remotely via the VME bus interface. Placing the unit directly on a VME standard instrumentation and computing bus simplifies and enhances system integration.

The unit features low phase noise, fast tuning, high dynamic range and a 100‑kHz tuning resolution. Its tuning speed is typically 10 milliseconds. Its gain is adjustable over a 40-dB range (in 1-dB steps from 0 to 40 dB).

SI-7002 Highlights

Two wideband upconverters in single-slot 6U VME card
Each channel is independently tunable
Output Frequency 20 to 3000 MHz (tunable down to 2 MHz)
100-kHz tuning resolution
Inputs: 16.25 MHz IF and 70 MHz IF
Output Bandwidth Options: 30 MHz or 25 MHz
VME bus register-based control
10-ms tuning speed, typical
Gain is adjustable in 1-dB steps from 0 to 40 dB

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SI-9111 DUAL VME HF TUNER

The SI-9111 is a dual wideband HF tuner packaged in a single slot 6U VME form factor. Each tuner independently provides coverage of radio frequency (RF) signals in the range of 0.1 to 31.5 MHz. The SI-9111 utilizes a direct tuner approach that requires no frequency conversions. This is due to recent advances in baseband amplifiers and analog-to-digital converters that allow these devices to process the entire HF spectrum. The design utilizes the latest in miniature, surface-mount components to achieve a high level of integration. A combination of a machine-milled aluminum chassis and printed circuit card assemblies with continuous ground plane shield provide RF shielding and isolation. The front-panel mounted SMA connectors offer easy interconnection for the RF inputs and IF outputs.

SI--9111 Highlights

2 independent wideband HF tuners in a single slot 6U VME
(160 x 233 mm) card
0.1 to 31.5 MHz frequency coverage
No frequency conversions
Up to 30 MHz instantaneous bandwidth
53 dB gain control in 1-dB steps
Outstanding spur-free dynamic range
VME bus register-based control

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SI-9136B DUAL-CHANNEL 6U VME VHF/UHF TUNER

The SI-9136B is a dual-channel wideband VHF/UHF tuner that provides independent and/or phase-coherent conversion of RF signals between 20 and 3000 in a 6U VME single-slot module. The SI-9136B’s two tuner channels each produce two analog IF outputs – a wideband IF output and a baseband IF output. The wideband IF output, centered at 70 MHz, has an instantaneous bandwidth of 30 MHz. The baseband IF output can be centered at 20 MHz with a bandwidth of 30 MHz or at 16.25 MHz with a bandwidth of 25 MHz, depending on the configuration.

This enhanced version of the SI-9136A comes in five configuration options that offer independent and phase coherent operations, baseband IF output choices and digitized IF output choices. For external digitizer applications, the tuner’s analog outputs are optimized to interface with the Analog Devices AD664X series of wideband A/D converters.

The SI-9136B provides excellent dynamic range, with a typical In-band Input Third Order Intercept Point of +4 dBm, and a typical Noise Figure of 11 dB. RF suboctave preselector filters are included for rejection of out-of-band interferers. Out-of-band Input 2nd Order Intercept Point performance is typically better than +40 dBm. The SI-9136B achieves better than 300-microsecond tuning speed for any first LO frequency step.

SI-9136B Highlights

Two wideband VHF/UHF tuners in a single-slot 6U VME card
Phase-coherent or independent modes (software-selectable)
20 to 3000 MHz frequency coverage
300-microsecond tuning speed
Baseband outputs centered at 20 MHz (30-MHz IFBW) or 16.25 MHz (25‑MHz IFBW)
IF analog outputs centered at 70 MHz (30-MHz IFBW)
Frequency step/sweep scan modes
80-dB spur-free dynamic range
Optional 14-bit dual digitizer
VME bus register-based, RS-232 or McBSP high-speed serial control

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SI-9136C DUAL CHANNEL 6U VME VHF/UHF TUNER

The SI-9136C is a dual-channel wideband VHF/UHF tuner that provides independent or phase-coherent conversion of signals from 20 to 3000 MHz in a single-slot 6U VME module. Analog IF outputs are centered at 70 MHz and 20 MHz, with an instantaneous IF bandwidth of 30 MHz.

The SI-9136C provides fixed frequency tuning and includes frequency scan (step/sweep modes) capability with up to 1024 programmable memory locations per channel. The SI-9136C provides excellent dynamic range, with a typical input in-band third-order intercept point of +4 dBm, and a typical noise figure of 11 dB. RF suboctave pre-selector filters are included for rejection of out-of-band interferers. Input out-of-band 2nd-order intercept point performance is typically better than +40 dBm. The SI -9136C achieves better than 300 microsecond tuning speed for any 1st LO frequency step.

The tuner features an internal local oscillator (LO) distribution assembly that allows it to accept or provide its 1st and 2nd LOs to other tuners. This enables configurations of up to eight phase-coherent channels when used in conjunction with an LO distribution module such as the DRS SI-7100 or SI-7101. Low phase noise synthesizers and channel-to-channel phase tracking make the tuner an ideal solution for direction finding or beam-forming applications. Phase coherent configurations of the SI-9136C support five operational modes providing users with a high degree of flexibility of the two tuners:

Independent/Independent
Slave/Independent
Master/Slave
Slave/Slave
Master/Independent

SI-9136C Highlights

Two wideband tuners in a single-slot 6U VME form factor
20 to 3000 MHz frequency range
Phase-coherent or independent tuning
300 microsecond tuning speed
20 and 70 MHz IF analog outputs
30-MHz instantaneous IF bandwidth
Frequency sweep/step modes
80-dB spur-free dynamic range
14-bit dual digitizer
Front panel TTL time stamp
VME bus register-based control
VME spectral snapshots over VME interface
Digital IF output compliant with VITA 17.1 and VITA 49 (draft)
Dual-fiber optic or dual-channel copper digital IF output @ 2.5 Gbps

DRS-SS APR. Export of DRS SIGNAL SOLUTIONS, INC. products is subject to U.S. export controls. Licenses may be required. This material provides up-to-date general information on product performance and use. It is not contractual in nature, nor does it provide warranty of any kind. Information is subject to change at any time. Copyright © DRS SIGNAL SOLUTIONS, INC. 2003. All Rights Reserved.

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SI-9146 DUAL CHANNEL 6U VME/VXS VHF/UHF TUNER

The SI-9146 is a dual-channel wideband VHF/UHF tuner that provides independent or phase-coherent conversion of RF signals between 20 and 3000 MHz. Each tuner channel outputs analog intermediate frequencies (IFs) centered at 70 MHz and 20 MHz with instantaneous bandwidths of 30 MHz. The 20 MHz final IFs are digitized, formatted, and output in accordance with the VITA 49/ VITA 41 VXS standard. The tuner achieves 300-microsecond tuning speed for frequency steps of 30 MHz or less.

The tuner features an internal Local Oscillator (LO) Distribution assembly that allows it to accept or provide 1st and 2nd LOs from or to other tuners. This enables daisy-chained LO configurations of up to eight phase-coherent channels without requiring an external LO distribution module. Its low phase noise synthesizers and channel-to-channel phase tracking make the tuner an ideal solution for direction finding or beam forming applications.

SI-9146 Highlights

Dual wideband tuner in a single slot 6U VME (160 x 233 mm) card
20 to 3000 MHz frequency coverage
70 MHz and 20 MHz IF analog outputs
VITA 49/41 VXS digital IF output with time stamp
30 MHz instantaneous IF bandwidth
Conduction or air cooled
Phase-coherent or independent modes (software selectable)
Typical 300-microsecond tuning speed
Frequency step/sweep scan modes
Dual channel internal 14-bit ADC module (80 MHz)
VME register-based control interface
Front panel scan control interface

DRS APR. Export of DRS SIGNAL SOLUTIONS, INC. products is subject to U.S. export controls. Licenses may be required. This material provides up-to-date general information on product performance and use. It is not contractual in nature, nor does it provide warranty of any kind. Information is subject to change at any time. Copyright © DRS SIGNAL SOLUTIONS, INC. 2006. All Rights Reserved.

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SI-9147 DUAL-CHANNEL 6U VXS VHF/UHF DIGITAL TUNER

The SI-9147 is a dual-channel wideband VHF/UHF tuner that provides independent or phase-coherent conversion of RF signals from 20 to 3000 MHz. Analog IF outputs are centered at 140 MHz, with software selectable instantaneous bandwidths of 30, 12 or 4 MHz. The SI-9147 also includes a digital back end that provides wideband analog-to-digital (A/D) converters, 36 digital receiver channels, delay memory, user-programmable field-programmable gate arrays (FPGA), time stamping of digital IF packets, and data formatting compliant with the VITA 49 Virtual Radio Transport standard.

The tuner features an internal local oscillator (LO) distribution assembly that allows it to accept or provide its 1st and 2nd LOs to other tuners. This enables daisy-chained, distributed LO configurations of up to ten phase coherent channels without an external LO distribution module. The SI-9147’s low phase noise, high dynamic range, and good channel-to-channel phase tracking make it ideal for signal intercept and beamforming applications.

Two wideband VHF/UHF tuner channels in a single 6U card weighing less than 3 lbs.
Outputs analog intermediate frequency (IF) compatible with a wide range of signal analyzers
Dual real-time digitized IF packet streams or any of 36 digital downconverter (DDC) channels are packeted in compliance with VITA 49 industry standard
FPGA capacity reserved for customizing mission requirements
Daisy-chained LO distribution between tuners creates up to ten phase-coherent channels for signal interface and beamforming applications

SI-9147 Highlights

Two wideband tuner channels in a single-slot 6U ANSI/VITA 41.0 compliant card
20 MHz to 3 GHz frequency range
140 MHz analog IF sampling outputs
Software selectable analog bandwidths - 30 MHz, 12 MHz and 4 MHz
80 MHz IF passband sampling rate using dual 16-bit A/D Converter
Data transferred via 8 high-speed SERDES channels (each @ 3.125 Gbps) on the VITA 41 (VXS) P0 connector
Support for high-speed serial data protocols
VITA 49 digital IF formatting
Frequency step/sweep scan modes
1.6 seconds of delay memory per channel
User programmable FPGAs for DSP functions
VME, Ethernet, or RS-232 control

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SI-9155 Microwave SIGINT VME/VXS TUNER

Introducing the latest DRS Signal Solutions open architecture microwave tuner, the SI-9155 VME/VXS. The high-performance tuner, used for SIGINT surveillance and monitoring operations, provides size, weight and power (SWaP) advantages to its end-users. The SI-9155 can feed signal processors for simultaneous processing of electronic intelligence (ELINT), communications intelligence (COMINT) and foreign instrumentation signals intelligence (FISINT) signals. Additionally, the tuner can operate at extreme temperatures because of its convection and conduction cooling feature.

The SI-9155 Microwave SIGINT VME/VXS Tuner is a highperformance microwave tuner used for surveillance and monitoring operations. It covers the UHF/SHF spectrum from 250 MHz to 24.5 GHz. The tuner provides three modes of operation: manual (fi xed frequency), sweep (contiguous coverage from a start to a stop frequency in incremental steps), and step (preprogrammed channels). It can be remotely confi gured for independent operation in a stand-alone confi guration or for phase-coherent operation when part of a system utilizing additional tuners. The SI-9155 proves ideal for multifunction SIGINT applications by providing software selection of up to two simultaneous IF outputs, having different center frequencies and bandwidths, that can feed signal processors for simultaneous processing of electronic intelligence (ELINT), communications intelligence (COMINT) and foreign instrumentation signals intelligence (FISINT) signals.

SI-9155 Highlights:

• 6U single-slot VME/VXS form factor
• Frequency range 250 MHz to 24.5 GHz
• Low phase noise, high dynamic range, fast tuning
• Multiple Bandwidths – 1GHz, 500MHz, 100MHz
• Independent or coherent operation
• SWaP: 50 watts power maximum, 4lbs
• Conduction or air convection cooled
• High signal fidelity
• Proves ideal for multifunction SIGINT applications (SIGINT, COMINT, FISINT)

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Tuners - CompactPCI® (cPCI)

SI-7035-1 CompactPCI® VHF/UHF Upconverter

The SI-7035-1 provides a single upconverter channel in a dual-slot 3U CompactPCIâ (cPCI) package. The upconverter accepts either a 20 MHz baseband input or a 70 MHz IF input and provides a 20 to 3000 MHz RF output signal with a 30 MHz instantaneous bandwidth. The specification compliant linear RF output level of the upconverter is -10 dBm. The output level can be as high as 0 dBm with slightly degraded spurious performance.

The upconverter’s design achieves minimum tuning speeds of 500 microseconds. The SI-7035-1 upconverter, with its low phase noise synthesizers and low noise output, is ideally suited for use as a calibration source or as the analog upconversion stage of an arbitrary waveform generator in a variety of system solutions.

SI-7035-1 Highlights

Wideband upconverter in a dual-slot 3U cPCI (160x100 mm) card
20 to 3000 MHz frequency range
Minimum 500 microseconds tuning speed
100 kHz tuning resolution
Frequency step/sweep scan modes
70 MHz and 20 MHz IF inputs
30 MHz instantaneous bandwidth
CompactPCI® backplane control
Front-panel serial control
Frequency step/sweep scan with software and hardware tune strobing/triggering
Ideal for low SWAP (size, weight, and power) applications

Cleared by U.S. DoD/OSR for Public Release under case number 08-S-1625 dated June 3, 2008. Export of DRS SIGNAL SOLUTIONS, INC., products is subject to U.S. export controls. Licenses may be required. This material provides up-to-date general information on product performance and use. It is not contractual in nature, nor does it provide warranty of any kind. Information is subject to change at any time. Copyright © DRS SIGNAL SOLUTIONS, INC. 2006. All Rights Reserved.

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SI-9250 CompactPCI SHF BLOCK DOWNCONVERTER

The SI-9250-CPCI is a SHF block downconverter packaged in a single slot 6U cPCI form factor. It provides coverage of RF signals in the range of 0.5 to 18 GHz. The SI-9250-CPCI utilizes both microstrip and coplanar waveguide elements as well as MMIC amplifiers, frequency multipliers, and mixers. The design utilizes the latest in miniature, surface mount components to achieve a high level of integration. A combination of a machine-milled chassis and printed circuit card assemblies with a continuous ground plane shield provide RF shielding and isolation. The front-panel SMA connectors offer easy interconnection for the RF input, IF output, and reference frequency signals.

SI-9150 Highlights

0.5 to 18 GHz frequency coverage (bypass below 2 GHz)
Suboctave preselection
880 MHz instantaneous bandwidth
Excellent phase noise performance
Compact PCI register-based control
Suitable for multi-channel phase coherent applications

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SI-9135-1 3U CompactPCI® VHF/UHF TUNER

The SI-9135-1 is a single-channel 3U CompactPCI (cPCI) tuner that provides conversion of RF signals between 20 and 3000 MHz to an analog IF output centered at 70 MHz with an instantaneous bandwidth of 30 MHz. The tuner has a minimum tuning speed of 500 microseconds, performing fixed tuning with a resolution of 100 kHz and frequency scanning with a resolution of 1 MHz. Its small size, weight and power make it ideal for systems having limited space. Optimized to interface with Analog Devices AD664X wideband analog-to-digital converters, the SI-9135-1 makes available scan-friendly tune strobe/ trigger inputs and outputs that can speed frequency transitions during channel step or F1-to-F2 sweep operations. The SI-9135-1’s internal local oscillator distribution (LOD) mechanism allows it to share 1st and 2nd LOs with other SI-9135-1 tuners without an external LO distribution module. This makes possible a configuration of nine phase-coherent channels. These operational features and the SI-9135-1’s preselector, low phase noise synthesizers, channel-to-channel phase tracking, and excellent dynamic range make it ideal for signal intercept or beamforming systems.

Intercepts weak signals in the presence of multiple strong signals
Up to 9 phase-coherent channels w/o LOD Module
Small Size, Weight and Power (SWAP)

SI-9135-1 Highlights

Wideband tuner in a single-slot 3U cPCI card
Exceptional RF sensitivity and selectivity
Software-selectable phase coherency of up to nine units without an external LOD module
Analog IF output centered at 70 MHz with bandwidth of 30 MHz
Frequency step/sweep scan with software and hardware tune strobing/triggering
RS-232 or 32-bit, register-based PCI control
Designed in accordance with the Compact PCI (PICMG 2.0, R3.0) and PCI extensions for Instrumentation (PXI™) hardware specifications
1024 programmable memory channels to store step/ sweep scan parameters
Internal or external 10 MHz reference
Lightweight 1.3 lbs.

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Tuners- Tranceivers

SI-7051 SOFTWARE-DEFINABLE TRANSCEIVER

The SI-7051 is a brick-sized, portable software-definable transceiver capable of receiving and transmitting signals in the VHF/UHF/SHF spectrum. The transceiver’s compact size and light weight make the unit ideal for portable wideband communications intelligence (COMINT), signal intelligence (SIGINT), and communications jammer applications. The unit, which tunes across the 20 MHz to 6 GHz range, can operate in extreme temperature environments.
Its ability to be re-programmed on the fly with mission specific applications allows warfighters to respond quickly to changing enemy tactics. The unit is controlled remotely over a RS-232 or USB 2.0 on-the-go (OTG) interface port and supports TCP/IP, Telnet, FTP, and web-server communications protocols. The unit can be configured to operate using several internal or external reference time-base sources.

Allows interception and jamming of communications
Counters electromagnetic triggering Improvised Explosive Devices (IEDs)
Size, weight, and power ideal for man-pack applications
Allows operation in extreme temperature environments
High dynamic range allows capture of low-level signals
Open hardware platform that allows deployment of custom signal processing algorithms

SI-7051 Highlights

One wideband receiver and one wideband transmitter in a small compact package
An open hardware platform provides the ability to develop and deploy custom signal processing algorithms
On-board 10-MHz reference, GPS receiver, accelerometer, and anti-tampering device
Multiple programmable general-purpose input/output ports for control of antenna switches, power amplifiers, etc.
Integrated digital signal processor (DSP) for real-time signal analysis and waveform generation
Embedded Linux operating system (OS)
Fully software definable (FPGA, DSP, and Linux applications)
On-board high-speed 14-bit analog-to-digital converter (ADC) and digital-to-analog converter (DAC)
Two Virtex-4 FX FPGAs with three embedded PPC processor cores

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