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High Power Amplifiers, Drivers and Power Amplifier Subsystems

Browse our full line of high performance RF and microwave GaN, GaAs MESFET, E-pHEMT, LDMOS, Class A, Class AB, Class C,
broadband, hybrid, fully-modifiable power amplifier modules, drivers, and subsystems!

High Power Amplifiers

High Power Amplifiers

Solid State Power Amplifier Modules

Operating frequencies up to 26 GHz with output levels from 500mW to 1 kW

Pulsed Power Amplifiers

Pulsed Power Amplifiers

GaN SSPAs for TWT Replacement

Output power levels up to 1,000 watts and frequencies to 18 GHz

Power Amplifier Drivers

Power Amplifier Drivers

Class A and AB Linear Designs

Large catalog of standard and fully-customizable designs

Power Amplifier Subsystems

Power Amplifier Subsystems

Integrated Power Amplifier Assemblies

Incorporating multi-band amplifiers and high-reliability components

GaN Power Amplifiers and Drivers

GaN Power Amplifiers & Drivers

Solid State GaN-Based Designs

High reliability SSPA modules and power amplifier drivers

Power Amplifiers, Amplifier Drivers and Amplifier Subsystems

All Power Amplifier Products

Modules, Drivers & Subsystems

Wide range of technologies, available standard or customizable designs


Experts in the Design & Manufacture of Power Amplifiers & Amplifier Subsystems

API Technologies' High Power Amplifiers

API Technologies, a world class leader in amplifier technology, is your full service partner for high performance power amplification requirements.

API has earned its reputation and heritage in the broadband power amplifier market by delivering leading edge technical designs and high quality products as a direct result of working closely with key defense companies to meet their strict technical specifications and quality requirements. In addition to these leading edge electrical designs, API engineers optimize package configurations to address numerous thermal conditions to meet end customer’s system level integration challenges.

API provides compact, lightweight, excellent thermal characteristic power amplifiers to customers in the shortest possible lead-time. Engineering high-power GaN power amplifiers to predict junction-to-case temperatures and thermal profiles during the design stage, helps eliminate the need for cumbersome heat-sinks thus reducing cost and providing for more accurate results.

› Start a power amplifier project with us today!

Power Amplifier Integration

Working closely with leading edge semiconductor suppliers, API Technologies exploits the benefits of innovative semiconductor technologies, paving the way toward increased power density and complexity while reducing the overall size of the amplifier. This translates to power amplifier solutions that are reliable, smaller, lighter, and more efficient.

Integrated Power Amplifier Subsystems
  • Integrated LNA, Filtering, Switching Functions
  • Power Conversion
  • Digital Control
  • RF & Microwave Filtered Power Amplifiers
  • In-house Thin Film Fabrication
  • PIN Diode Switches
  • FET Switches
  • GaAs Switches
  • Switched Filter Banks & Integrated Products
  • Driver Circuits – Hybrid & SMT
Power Amplifier Modules
  • Output Power to 500 watts
  • Includes Class A, AB Linear and C
  • Operating Frequencies to 26GHz
  • Narrow and Broadband
Power Amplifier Driver Optimization
  • 3 Stage Amplifier w/ Internal Voltage Regulation
  • Includes Class A, and AB Linear Amplifiers
  • Balanced Output Stage
  • Filtered Input (18 dB/Octave Filter Roll-off)
  • Latest GaN Technology

API offers qualified manufacturing with AS9100, Rev C and ISO-9001:2008 facilities, as well as a full-line of in-house testing services, ensuring our product complies in full to all national, international, and customer specifications.

› Consult an engineer about power amp integration!

Full Customization

A broad range of RF and microwave components, integrated assemblies and power amplifiers are the cornerstone of API's product design capabilities. Our ability to offer complete custom solutions for unique requirements in a timely manner and rapid turn-around prototypes with demanding specifications is what separates API Technologies from other power amplifier suppliers.

› Consult an engineer about power amplifier design!

Experienced RF Chain Analysis
  • Engineering solutions and providing assistance with the entire RF transmit chain (baseband or IF) is an element of customer service that separates API from other suppliers whose onedimensional offerings leave customers needing more.
Optimum Packaging Solutions
  • Our designers use sophisticated software to optimize package layouts for a variety of thermal conditions providing a higher MTBF.
Experts at Integration
  • API engineers are experts at amplifier, filter and power supply design. Integrating multiple RF and function components in a single housing reduces overall costs and package housing size while optimizing heat transfer.

Testing & Quality Assurance

Prior to delivery, API Technologies performs 100% electrical testing on all power amplifiers to confirm compliance with the customer’s specification requirements. Our quality management system is also registered is compliant with ISO-9001:2008 and periodically audited by our registrar. Additionally, API Technologies also offers military and high reliability commercial environmental screening.

Comprehensive Testing Capabilities
  • Conversion gain
  • Spurious testing
  • IP2, IP3, and IP2H
  • Current Draw
  • Noise figure
  • Windowed gain ripple
  • Compression tests
  • Linearity testing
  • LO leakage testing
  • Image rejection
  • Group delay

Our thick and thin film amplifiers are designed and tested to meet the reliability and testing requirements of MIL-PRF-38534 and the screening requirements of MIL-STD-883. We are also equipped to perform Groups A, B, C and D QCI qualification of our hybrid microelectronic devices. We routinely perform MIL-PRF-38534 Class H qualification testing on many of our amplifiers thereby proving out the high reliability designs API is known for in the industry.

Power Amplifier Products

API Technologies specializes in the design and manufacturing of Power Amp Drivers, Modules and Subsystems.

View Products:
Power Amplifiers Materials:
White Paper:

Core Competencies

  • Design of power amplifiers using GaN transistor technology in both packaged and bare die form
  • Operating frequencies to 26 GHz
  • Broad range of output levels from 500mW to 1 kW
  • Nonlinear RF simulation capability of the GaN die proposed for Power Amplifier
  • Detailed theoretical thermal analysis and measurement correlation capability of actual performance
  • Extensive handling and mounting expertise with very large geometry transistor die
  • Void free die attach process for uniform coverage and optimum thermal performance
  • In-house fabrication capability of thin film substrates on a variety of dielectric constant materials
  • Semiconductor technologies offered include GaN, MOSFET, Bipolar, LDMOS, GaAs MESFET, and GaAs pHEMT
  • Available as off-the-shelf designs, or can be customized to support customer-specific applications
  • Chip & wire (hybrid) technology and SMT manufacturing
  • Our engineers are experts at integration in multiple disciplines:
    • Harmonic filtering
    • Filtered PAs with distribution networks
    • Integrated switches, filters and splitters
  • Waveguide-combined satellite communication power amplifiers up to EHF frequencies
  • Braised waveguide splitter/combiner structures
  • Dual band power conditioning and control with field downloadable firmware to support active reconfiguration with built-in monitoring

API Power Amplifier Applications Include:

GaN Technology

API's diverse lineup of power amplifier solutions includes broadband models covering DC to 26 GHz in a small, low profile package. Using advanced semiconductor technologies such as GaN and HEMT for broader bandwidths, along with a number of proprietary design techniques, our power amplifiers deliver exceptional performance up to 1,000 watts.

More about GaN Power Amplifier Technology ›

Wide Variety of Packaging Techniques

Modules, pallets, surface mount and substrate drop-in packages offer customers a wide range of custom packaging options. API’s ability to provide custom control circuits provide complete customer solutions.

› Learn more about packaging options!

Performance Enhancements

API Technologies builds added features into its lineup of power amplifiers including:

  • Fault Reporting
  • Control & Configuration Monitoring using RS-232, RS-485, MODBUS, I2C, CAN and other protocols
  • High Efficiency Doherty techniques integrated
  • Optimized for Cross-Cancellation Linearization
  • Drain Boost Efficiency Enhancements implemented
  • Power & Coupler Feedback techniques employed

› Start a project with us!

High Power Amplifiers

High Power Amplifier

Drivers, Modules & Subsystems
Broadband, High Performance Designs

High Power Amplifiers

Drivers, Modules & Subsystems, Standard & Custom Designs

Configurable High Frequency Amplifiers

Class A, Class AB, Class C

Power Amplifier Modules
High Power, High Performance Designs

Power Amplifier Modules

Class A, Class AB, Class C Designs, Standard and Custom

configurable synthesizer

1 kW GaN Pulsed Power Amps

SSPAs for TWTA Replacement
Solid State Pulsed Power Amplifier Technology

GaN Pulsed Power Amps

SSPAs for TWTA Replacement, High Power Designs to 1 kW

configure a limiter

High Power Amplifiers

& Power Amplifier Drivers
Fully-Modifiable, Class A, AB and C Designs

High Power Amps & Drivers

500mW to 1 kW, Standard and Fully Modifiable Designs

configurable threshold detectors

Gallium Nitride (GaN)

Power Amplifier Drivers
SMT, Chip-and-Wire, Thick & Thin Film, Hybrid Designs

GaN Power Amp Drivers

Hybrid-Based High Power Amplifier Drivers

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RF, Microwave High Power Amps
Wide Range of Semiconductor Technologies

SSPA Technologies

GaN, GaAs MESFET, E-pHEMT, LDMOS, High Power Designs

More About API Technologies' High Power Amplifiers, Drivers and Amplifier Subsystems

API, a world class leader in amplifier technology, is your full service partner for high performance power amplification requirements. Efficient amplification is a system designer’s goal and we design Linear Class A, Class AB and Non-Linear Class C high power amplifiers using the latest technology such as GaN, GaAs and LDMOS. Products include both broadband, high linearity amplifiers, as well as high frequency, narrowband, higher power amplifiers to 100 watts with strict attention to size and value.

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