This presentation provides an overview of PrismTech's Spectra DTP4700. Spectra DTP4700 is an affordable Linux based COTS Software Defined Radio (SDR) Software Communications Architecture (SCA) development and test platform with great software tools, full Radio Frequency (RF) capability, demonstration Wave Form, and supporting documentation.

1. Spectra DTP4700
SCA Development and Test Platform

2. Spectra DTP4700
An affordable Linux based COTS SCA
development and test platform with great
software tools, full RF capability,
demonstration Wave Form, and supporting
documentation

3. Comes pre-integrated and packaged with
AM/DM37x OMAP based digital baseband processing
system, providing GPP, DSP and FPGA processor resources
Full duplex RF Transceiver providing wide operating range:
400 MHz to 4 GHz or 30MHz to 1.6GHz
RF Front-End to the RF Transceiver to create a high
performance RF specification fully-fieldable radio system
Housed in a rugged 1U enclosure with removable cover for
access to the hardware
SCA 2.2.2 compliant Core Framework, together with SCA
Devices, ORB/COS, Linux OS and device drivers.
Demonstration SCA Waveform / Application
Documentation
Simple licensing and support contracts.

4. System Configurations
DTP4700H - with wideband RF coverage in the 400MHz-4GHz frequency
range
DTP4700L - with RF covering the 30MHz-1600MHz range allowing users
to access lower MILCOM frequencies

5. Use Cases
Waveform and application development/test teams in major radio
OEMs and their end customers (enabling both in-house and third-party
development of SCA waveforms and applications for later deployment
on target production radio platforms)
Advanced wireless communications (government and defence)
laboratories conducting research in fields such as: cognitive radio,
electronic warfare, and secure SDR waveforms
Internal research and development (IR&D) and collaborative research
projects (e.g. SBIR, Eurostars) related to advanced wireless
communications
Academic teaching and laboratory use
Independent waveform and application developers creating software
IP for the SDR market

6. Example Commercial Waveforms
Civilian Waveform Band DTP4700H DTP4700L
400 - 4000MHz 30 - 1600MHz
APCO 25 UHF 403-512 MHz  
APCO 25 800 MHz 806-870 MHz  
Tetra 300-1000 MHz Partial 
GSM 800, 900, 1800,  Partial
1900 MHz
WCDMA 2100 MHz 
WiMax 2.3, 2.5, 3.5 GHz 
802.11 2.4, 3.6 GHz 
LTE 704-2700 MHz  Partial
US TV Whitespace 470-698 MHz  
Europe TV Whitespace 470-790 MHz  

7. Example Military Waveforms
Civilian Waveform Band DTP4700H DTP4700L
400 - 4000Mhz 30 - 1600MHz
EPLRS 420-450 MHz*  
MUOS 240-320 MHz* 
HAVEQUICK 225-400 MHz* 
SATURN 225-400 MHz* 
LINK 16 960-1215 MHz* 
LINK 4 225-400 MHz* 
LINK 11 225-400 MHz* 
UHF AM/FM 225-400 MHz* 
SRW 1755-1850 MHz* 
WNW 2-2000 MHz** Partial Partial
* http://jitc.fhu.disa.mil/jtrs/
** http://jitc.fhu.disa.mil/jtrs/ “Exact frequency ranges are been developed by the government”

8. Spectra DTP4700 – Front Panel
LEDs
Audio In Audio Out
USB-OTG
SD/MMC Ethernet
TX Out Card Slot 100/1G Ethernet RX In
10/100

9. Spectra DTP4700 – Back Panel
AUX
External COM2 Port In/Out
External
Clock Out
Clock In
DC Power
Power
COM2 Port Fan 9-18V
Switch
GPS RF GPS 1PPS
Antenna In/Out

10. Spectra DTP4700 – Hardware Components
RF System MCSP
DDR2 NAND
CPLD SDRAM FLASH
Subsystem
Control Control 256 Mbyte 256 Mbyte
UART UART
TX Quad
AMP LPFs DAC
Mod OMAP
TX AM/DM37x
+5 dBm
To RF DATA DATA ARM
-45 dBm FPGA GPMC FPGA GPMC TI Cortex
Front-end Xilinx Xilinx C64x A8
DSP GPP
Module Spartan 6 Spartan 6
Power
RX
RX RX Direct
Module
LNA AMP LPFs ADC
TPS65950
Con.
RX
+5 dBm
To
115 dBm
Clock Ref Power
Digital Ant
I/F I/F RF
FEM Synthesizers & Module System GPS
Control Distribution
EXT EXT
REF REF
Input Output
DC
PWR
SD Card RS232 USB Audio Gig-E Ethernet

11. Spectra DTP4700 - Baseband Specification
Digital System:
Consolidated GPP, DSP and FPGA digital baseband
processing hardware platform.
Based on Texas Instruments’ AM/DM37x OMAP CPLD
DDR2
SDRAM
NAND
FLASH
multimedia applications processor and Xilinx FPGA Control
UART
256 Mbyte 256 Mbyte
technologies. OMAP
Features a 1 GHz advanced Superscalar ARM© AM/DM37x
Cortex™ A8 RISC core.
DATA ARM
FPGA GPMC TI C64x Cortex
DSP A8
Xilinx GPP
Spartan 6
Also features a 800 MHz C64x+ DSP core and SGX
subsystem for 2D and 3D graphics acceleration. Power
Module
TPS65950
2000 Dhrystone MIPS – extremely capable to run the
Linux RTOS and to support complex WFs Digital Ant
DSP can be fully powered down when not required System GPS
by ARM
Xilinx Spartan 6 FPGA ultra low power; low cost
FPGA family. SD Card RS232 USB Audio Gig-E Ethernet
Multiple digital (Ethernet, Gig-E, USB, SD, RS232)
data and audio interfaces.
Integrated GPS receiver with accurate 1-PPS output.

12. Spectra DTP4700 – RF Specification
RF System and Front-end Module:
Low cost and high performance.
Full duplex transceiver architecture with RF System
programmable signal bandwidths from MCSP
Subsystem
20 kHz to 40 MHz.
T
Dual-channel ADCs: 12-bits at 100
Quad
X AMP LPFs DAC
Mod
Msps. TX
+5 dBm
To
-45 dBm RF
(400 MHz DATA
Front-end
Dual-channel DACs: 16-bits at 800
GPMC
to FPGA
Xilinx
4 GHz)
Module Spartan 6
Msps.
TX: Quadrature modulator; RX: direct RX
RX
LNA
RX
AMP
Direct
Con. LPFs ADC
conversion. RX
+5 dBm
To
Xilinx Spartan-6 FPGA.
115 dBm
Clock Ref Power
I/F RF
I/F & Module
Synthesizers
MCSP system for board-level control
FEM Distribution
Control
EXT EXT
REF REF
Input Output
DC
PWR
DTP4700H DTP4700L
400 MHz to 4000 MHz frequency range 30 MHz to 1600 MHz frequency range
20 KHz – 40 MHz signal bandwidth 40 KHz – 40 MHz signal bandwidth

13. Spectra DTP4700 - Software Stack
Productivity
Tooling
Spectra CF
Radio
Services &
Devices
Optional Spectra CX
System Spectra
Component IP Core Spectra ORB
ORB
Sourcery
DSP TI Linux Code Bench
BIOS
“Lite”
FPGA DSP GPP
RF
TX/RX RF
RF System Digital System
Front-end GPS Ant
Hardware Hardware
Hardware
Baseband
Data
SD Card RS232 USB Audio Gig-E Ethernet

14. SCA Operating Environment
DTP4700 provides a complete SCA compliant Operating
Environment (OE), including:
Linux OS (TI DVSDK 4.02, 2.6.32 kernel)
Spectra CF – SCA 2.2.2 ultra low footprint Core Framework
Spectra ORB – C and C++ high performance, low footprint CORBA
middleware for GPP and DSP based development
CORBA support for DTP4700 FPGA processing environment will be available in subsequent
DTP releases
Spectra COS – Lightweight Common Object Services (Naming, Event &
Log)
SCA Platform Devices and Services
Spectra Core Framework – SCA 2.2.2
Spectra ORB C/C++
Spectra
Linux OS TI DSP BIOS IP CORE ORB
(future option)
BSP BSP
GPP DSP FPGA

15. SCA Platform
SCA Platform is provided with Spectra DTP4700
Includes a complete set of implementation artefacts for the Platform
Devices, including source code, binaries, and SCA XML
Platform includes:
GPP, DSP, AudioPort , FPGA and RFCtrl devices
DTP4700 Platform model also provided for use with Spectra CX

16. SCA Reference Waveform
SCA audio (FM) waveform example provided with DTP4700
FM implementation for use with DTP4700 that can be transmit and
receive audio over the air
FM waveform model also provided with Spectra CX

17. SCA FM Waveform Demo
Digital System
TX
Up
Modulator
Sampler
RF System SCA SCA
Loopback WfFPGA AudioPort Audio In
cable from & Proxy Device
TX to RX Device
RF FEM
Audio Out
RX De- Down
Modulator Sampler
SCA FM Audio
Waveform

18. Summary
Spectra DTP4700 provides a wideband, high-performance baseband and Radio
Frequency (RF) Software Defined Radio (SDR) development and test platform
Spectra DTP4700 offers a robust design, with radio hardware enclosed in a rugged
1U housing
Linux based Spectra DTP4700 provides quick start SCA development at an
affordable price
Spectra DTP4700 provides an integrated SCA solution for both GPP & DSP
processing environments
Spectra DTP4700 can support the implementation and deployment of the next
generation of complex SCA compliant networking waveforms required for both
military, homeland security and commercial SDRs.
Spectra DTP4700 is the most complete, fully integrated SCA development platform
with advanced tooling that can significantly reduce costs and time to market for new
SCA applications

19. Information & Questions
E-mail:
info@prismtech.com
Web Site:
www.prismtech.com/spectra
Your PrismTech sales representative