Product Overview

The 75-Watt Solid State Power Amplifier (SSPA) is a highly efficient radio frequency (RF) amplification solution designed for defense applications. With an output power of 75 watts and a frequency range from 2 to 6 GHz, this amplifier offers strong and flexible signal amplification across a broad spectrum of communication needs. Tailored for fixed-wing aircraft and ground vehicle applications, the Mnemonics amplifier is ideal for military, aerospace, and commercial uses where reliability and performance are paramount.

Technical Specifications

• Frequency Range: 2 to 6 GHz 
• Power Output: 75 Watts
• Operating Temperature: -40 °C to +85 °C
• Altitude: 65,000 feet 
• Size (with no heat sink): 6.75” x 3.5” x 1.66” 
• Weight: < 1.5 lbs
• RF Inputs: Dual SMA connectors
• RF Output: TNC Type connector

Key Features

• Dual Radio Frequency (RF) Inputs: Offering redundancy and uninterrupted operation, the dual RF inputs ensure reliability in critical scenarios. Additionally, the RS-485 interface enables seamless switching between inputs, enhancing adaptability to changing communication needs.
• Compact Size: Designed with space constraints in mind, the Mnemonics amplifier’s compact form makes it suitable for installations with limited space without compromising performance. 
• High Efficiency: Leveraging Gallium Nitride (GaN) devices, this amplifier achieves high efficiency, minimizing power consumption and maximizing battery life in mobile applications.
• Wide Bandwidth: The amplifier’s wide bandwidth supports a greater spectrum of radios, enabling compatibility with various communication systems and frequencies.
• 90-Degree Hybrid Couplers: Incorporating 90-degree hybrid couplers enhances signal distribution and efficiency within the amplifier, ensuring optimal performance across the frequency range.

Dual Radio Frequency (RF) Inputs

The 75-watt solid-state amplifier has two radio frequency (RF) inputs, offering numerous advantages:

• Using two input radios simultaneously provides redundancy and ensures uninterrupted operation in case of a failure.
• The RS-485 interface allows seamless switching between inputs, granting the amplifier the flexibility to adapt swiftly to different communication needs.
• The output is provided through a standard TNC Type RF connector, ensuring compatibility with a wide range of devices.

This dual-input feature enhances efficiency, eliminating the need for extra external equipment or switches, saving space and energy. Moreover, the ability to accommodate different frequencies on each input enhances the amplifier’s overall functionality, making it highly versatile across a wide range of applications.

Including dual RF inputs significantly enhances the amplifier’s robustness, adaptability, and efficiency, optimizing its operational effectiveness.

Gallium Nitride Powered

Gallium Nitride (GAN) devices are known for their exceptional power density and efficiency, enabling remarkable advancements in power output while maintaining compact size and effective heat dissipation. These devices facilitate high-frequency operation, extending the amplifier’s bandwidth and enhancing signal transmission capabilities. The superior thermal characteristics of GAN devices also ensure efficient heat dissipation, a critical aspect for high-power operations, contributing to the amplifier system’s longevity and reliability. Each high-power GAN device is independently biased and features independent temperature compensation to maintain gain flatness over temperature. 

In a 75-watt solid-state power amplifier, GAN devices are used to achieve high power, high gain, and high bandwidth functionalities through several key mechanisms:

• High Electron Mobility: GAN has higher electron mobility than other semiconductor materials like silicon (Si) or Gallium Arsenide (GaAs). This property allows GAN devices to operate at higher frequencies, enabling broadband performance.

• High Breakdown Voltage: GAN devices can withstand high voltages without breakdown, allowing them to handle high power levels efficiently. This characteristic is crucial for power amplifiers operating at high output power levels like 75 watts.

• Low On-Resistance: GAN transistors have low on-resistance, leading to reduced conduction losses. This efficiency translates into higher power conversion efficiency in power amplifiers.

• High-Frequency Operation: GAN devices can operate at microwave and radio frequencies, making them suitable for applications requiring high bandwidth and high-frequency response.

• Miniaturization: GAN technology allows for the design of compact and lightweight power amplifiers with high power density. This feature is advantageous in applications where space and weight constraints are critical.
• Heat Dissipation: GAN devices typically exhibit better thermal conductivity than other semiconductor materials. This property aids in heat dissipation, ensuring the reliability and longevity of the power amplifier, even at high power levels.

GAN devices enable the design of high-performance power amplifiers with exceptional power handling capabilities, making them indispensable in various applications such as telecommunications, radar systems, and satellite communications.

Quality and Reliability

At Mnemonics, we prioritize the quality and reliability of our 75-Watt Solid State Power Amplifier (SSPA) throughout every stage of the manufacturing process. Led by a seasoned QA manager, our dedicated in-house team ensures stringent adherence to rigorous quality assurance standards, guaranteeing that each amplifier meets and exceeds industry benchmarks. Our ISO 9001 certification demonstrates our unwavering commitment to delivering premium quality across all operational facets. Using Gallium Nitride (GaN) devices and 90-degree hybrid couplers ensures reliability and performance, while our compact design and dual Radio Frequency (RF) inputs enhance adaptability and uninterrupted operation. Trust Mnemonics for high-quality, reliable amplification solutions that meet and exceed expectations, ensuring mission success in critical operations.

High Customizability

Mnemonics offers unparalleled customizability with our 75-Watt Solid State Power Amplifier (SSPA), recognizing that each customer’s requirements are unique. Our experienced engineering team collaborates closely with clients to identify precise specifications, enabling us to design and manufacture customized communication solutions that address specific needs. Whether adjusting frequency ranges and power outputs or incorporating specialized features, our flexible manufacturing processes ensure that our amplifiers align perfectly with customer applications. From concept to completion, we prioritize collaboration to ensure that every amplifier meets and exceeds expectations, providing unmatched flexibility and versatility in meeting diverse customer demands. With Mnemonics, customization isn’t just an option; it’s a cornerstone of our commitment to delivering tailored solutions that empower our customers for success.

Mnemonics 75-Watt SSPA

The Mnemonics 75-Watt Solid State Power Amplifier exemplifies our unwavering commitment to excellence in RF amplification technology, serving clients in Florida and throughout the United States. Engineered with superior performance, reliability, and customizable features, our amplifier meets the stringent demands of military and defense systems. Count on Mnemonics to provide cutting-edge solutions that bolster your mission success. Take the next step in enhancing your communication capabilities and ensuring operational resilience.

Contact us today to explore how our 75-Watt SSPA can elevate your mission performance — Trust Mnemonics as your partner in achieving your mission-critical objectives.

Download the 75W Solid State Power Amplifier Data Sheet