High Power RF Solutions
Introduction to Nauteland NS SeriesLF High Power Amplifier
High Power RF Solutions
Corporate History
• Design, manufacture, sales and support of 3 product linesNavigational ProductsAM and FM transmitters for radio stationsIndustrial RF products
• Established in 1969• Products installed in over 176 countries• Exceptional field reputation for reliable products• Dedicated, long-term staff• Quality Management System audited by Bureau Veritas and registered/certified to ISO 9001:2008.
High Power RF Solutions
40 Year History of Innovation
1970 – Nautel introduced first solid state Radio Beacon Transmitter1974 – Nautel launches first solid state 2 kW AM Transmitter
1982 – Nautel launches first solid state 10 kW & 50 kW AM Transmitters 1990 – Nautel launches first solid state 100 kW & 200 kW AM Transmitters
1993 – Nautel launches first 10 kW FM Transmitter
2000 - Nautel launches 20 kW and 40 kW FM Transmitters
DRM 200 kW, MW transmitter goes on-air in Europe - 20032004 -HD Radio FM Transmitters
2004 - Direct-to-Channel Digital FM Exciter
Vector NDB/DGPS with Patented Antenna Current Stabilisation – 2005Adaptive Pre-Correction– 2005
XR Series – 4th Generation AM Transmitters 3 – 50 kW - 2005
Reliable HD Radio Transport Protocol for FM Digital Broadcast– 2006NX Link – TCP/IP Based Control - 2006
NX Series High Power MW - 2007WEB based remote control - 2007
Space Propulsion applications - 2007
NV Series High Power FM – 2008Next Generation LORAN technology - 2008
HD Power Boost technology - 2008
1969Dennis Covill
Founds Nautel
1994-1996 – Nautel launches super efficient 12 kW - 60 kW FM Transmitters
2002 - DRM and IBOC Digital Compatible AM Transmitters
VS Series Low Power FM – 2010NG Series Weather Radio - 2010
NS Series LF High Power Amplifier - 2010
High Power RF Solutions
Product Lines• MF AM radio broadcast transmitters (both analog and digital)
• VHF FM radio broadcast transmitters (both analog and digital)
• LF/MF Navigational non-directional radio beacon (NDB) transmitter systems
• LF/MF Differential Global Positioning System (DGPS) transmitters
• MF NAVTEX transmitter systems
• HF amplifiers and tuning/matching networks for industrial applications and plasma rocket engines
• Data Capable LF APNT and LORAN transmitters
• VHF FM Weather Radio Transmission System
• Sonar Amplifiers
High Power RF Solutions
Installed Base• Solid State NDB and DGPS Transmitters
+4,000 units since 1970• Solid State MF Telegraph Transmitters
+200 units since 1970• Solid State VHF – FM Broadcast Transmitters
+2,300 units since 1992• Solid State MW – AM Broadcast Transmitters
+3,300 units since 1982• Solid State VHF FM Weather Radio Transmitters
+20 units since 2010
…over 10,000 transmitters shipped to date!…over 10,000 transmitters shipped to date!
High Power RF Solutions
Nautel products in over 176 countries and every continent.
Nautel products in over 176 countries and every continent.
Global Supplier
High Power RF Solutions
Design Capabilities
• Multidisciplinary Research & Development team of over 30 technical staff • In-house design skills:
– Solid state amplifier design from 100 kHz to 200 MHz– Antenna Design and Computer Simulation– Analog and Digital Communications theory– RF matching, combining and filtering at high power and high voltages– RF Magnetics– Power Supplies– Digital Hardware Design– Digital Signal Processing– Data Communications Systems– Networking and TCP development
High Power RF Solutions
Nautel believes our technology is the best in the world
• DC to RF power conversion efficiencies between 94 and 98%
• Totally Solid State offering significant operational benefits incomparison to vacuum tube technology
• Precise digital control of operating frequency and power levels.
• Safe operating area protection allows wider range of operating impedance levels and improved reliability
• Continuous digital measurement of RF impedance and power levels.
• Custom high performance control algorithms may be implemented with relative ease using DSP based technology.
• Air and water cooled applications.
Technology Leadership
High Power RF Solutions
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Operational benefits of solid state amplifiers include:
• Highest reliability
• Soft failure modes
• No wear-out mechanisms
• Reduced on-site technical support
• Amplifiers without frequency selective parts allows instant frequency change with acceptable impedance matching
• 1 to 4 dollars per watt range depending on frequency and other system requirements.
Solid State Technology
High Power RF Solutions
Facilities
Halifax, Nova ScotiaHalifax, Nova Scotia
•• 174 Employees174 Employees•• + 70,000 sq. ft.+ 70,000 sq. ft.
Bangor, MaineBangor, Maine
•• 45 Employees45 Employees•• + 36,000 sq. ft.+ 36,000 sq. ft.
High Power RF Solutions
Production Capabilities
Computerised Fabrication ShopComputerised Fabrication Shop
Packing and ShipmentPacking and ShipmentFinal Production TestFinal Production Test
Final AssemblyFinal Assembly
Light AssemblyLight AssemblyPWB AssemblyPWB Assembly
High Power RF Solutions
Quality Manufacturing• Quality Management System registered/certified to the ISO9001:2008 international quality standard
• products built to stringent quality standards with industry leading features, performance, and reliability
• products are the result of the pride and craftsmanship of dedicated professionals
• each product is assembled by a team of individual people - no assembly robots
• production staff with an average of 15 years experience
• Nautel controls every aspect of production from workmanship toelectrical components to sheet metal fabrication
High Power RF Solutions
Standard Products
AM
FM
Navigation
RF Power
J1000 XR3 & XR6 XR12 NX50 NX100-NX800
NV3.5, NV5, NV7.5, NV10, NV15, NV20, NV30, NV40
Vector Series NDB/DGPS/Navtex NL Series Data Capable LF PNT& LORAN
HF Amplifier
NDB/DGPS/Navtex Antenna Tuning Units
VS Series
LF Antennas
NX25
Custom ImpedanceMatcher
Plasma RF PowerSources
NS Series Sonar Amplifier
NG Series Weather Radio Transmitters
High Power RF Solutions
Customer Service & Training• Emergency technical support is available 24 hours a day, 7 days a
week and is provided by Nautel Customer Service technical staff
• Both facilities house a full inventory of parts, modules, and sub-assemblies to support customer’s maintenance needs
• Parts depots also exist in Memphis, TN, USA and in the UK to assist in serving Global customers
• Nautel’s first priority is getting customers back on the air, even if the model in question was shipped in 1970
• Installation Supervision and Commissioning Services are available
• RF Basics, System Specific Training and Certified Installer/Maintainer programs, comprised of classroom as well ashands-on practical instruction, are available from Nautel
High Power RF Solutions
Nautel User’s Group
• Online access to Nautel’s restricted NUG website
- Technical FAQs
- Technical manuals
- Information sheets
- Field upgrade documents
• Special NUG discounts on select Nautel training programs
Membership includes:
High Power RF Solutions
NS Series Low Frequency High Power Amplifier Initial Project
Naval Systems Integrator challenged to find product that could meet strict operational requirements
Nautel engineered and manufactured to meet Naval Systems Integrator’s requirement
Nautel interested in further developing this technology and business
Nautel can meet both routine and challenging user specifications from this starting point
High Power RF Solutions
NS Series Low Frequency High Power Amplifier Design Targets
Flexible design allowing customization
Improved harmonic distortion
High efficiency
Modular design with safe and easy access
Precise control and timing
BITE
Reduced dollars/watt
Wide range of power capability
High Power RF Solutions
NS Series Low Frequency High Power Amplifier
State -of -the -Art Digital Exciter
Near zero noise and distortion esp. with digital input
Software defined fully digital DSP/FPGA based architecture
Software defined and developed in-house
Controls output power, modulation and protection
Feed forward power supply compensation
Dual analog to digital conversion (79 MSPS) with real time signal processing for advanced features
High Power RF Solutions
NS Series Low Frequency High Power Amplifier
Advanced Feature Capabilities
Pre-corrections of signals (linear and non-linear) to improve system or amplifier characteristics (distortion, response etc.)
Digital protection algorithms smoothly limit real and reactivepower when operating with mis-matched and highly reactiveloads
Instrumentation features such as real time impedance (patent applied for) and spectrum analysis
Signal receive functionality
High Power RF Solutions
NS Series Low Frequency High Power Amplifier
Power Architecture
Full bridge Class D (switched mode) amplifiers
Near 96% efficient
Highly reactive load capability
Interleaved Pulse Duration Modulation (IPDM)
virtually eliminates high frequency distortion characteristic ofsingle phase systems
extends frequency range capability
reduces size and weight of high power filter components.
High Power RF Solutions
NS Series Low Frequency High Power AmplifierRedundant Architecture
Redundant Subsystems are easily swappable
Fully parallel redundant architecture includes:
Redundant Power AmplifiersDigital (AES3) and balanced analog audio frequency inputsMultiple parallel/redundant fans in each cabinetRedundant low voltage power suppliesFailsafe manual and remote controlOptional: Redundant Exciters
High Power RF Solutions
NS Series Low Frequency High Power Amplifier
Fault Protection
Designed to withstand a variety of fault conditionsincluding but not limited to short circuit, open circuit, input signaloverdrive, mains under/over voltage and overheating.
Software accessible and defined control limits
High Power RF Solutions
NS Series Low Frequency High Power AmplifierIP Based Remote Control and Monitoring
Display Functionality available through IP via a web-interfaced PC or through SNMP (Simple Network Management Protocol)
Access available to status, controls, alarms, logs and reports
Grounding , EMI Shielding and Safety
Designed and tested to specific MIL-SPEC standards for EMI conditions.
Amplifiers are well marked for appropriate safety considerations for users at all input and output locations.
High Power RF Solutions
NS Series Low Frequency High Power AmplifierROBUST DESIGN AND EASY MAINTENANCE
Designed and tested to specific MIL-STD environmental, shake and vibration conditions
Control group monitors all subsystems, enabling remote maintenance and troubleshooting activities.
MTBF > 100,000 hours
0º C to 60º C Operating Temperature
Designed for Testability
BITE (Built-In Test Equipment)BIST (Built-In Self Test)