Demonstration of highly efficient 1000W amplifier (405-450 MHz) is proposed in the two-phase program. The first phase is a feasibility phase where a 100W 70% efficiency block amplifier will be demonstrated using GaN HEMT devices and Class F circuit design technology. In phase 2 of the program, the… More

This program addresses high power RF switches for the Joint Tactical Radio System (JTRS). The use of traditional pin-diodes possesses significant limitations on the overall system performance due to the high bias current consumption in the forward biased state, relatively slow modulation speeds,… More

Inefficiencies in radar transmitters lead to issues with power generation, heat removal, reduced lifetime, and cost of operation. A high power RF amplifier with high efficiency would be very useful in military and commercial applications. Auriga is proposing to investigate two methods for improving… More

This program addresses the challenges associated with power amplifiers used under multi-tone drive where high operating efficiency is required without adding false signals or errors (intermodulation distortion, IMD) to the output signal. The goal is to reduce all IMD levels below -30dBc without… More

Auriga Measurement Systems and M/A-COM team up in this program to address the issue of mast-mounted shipboard low noise amplifier assemblies, which are required to have not only rigorous electrical performance but also to withstand severe weather and corrosive environments. The assembly being… More

Auriga Measurement Systems has successfully completed Phase 1 of SBIR Program "Solid-State High-Efficiency Radar Transmit Module". This Phase 2 proposal summarizes Phase 1 results and discusses the plan for Phase 2 activities and goals. Technically, we will continue to improve the Class F design to… More

Auriga Measurement Systems, LLC and BAE Systems have teamed for this program. The objective is to reduce the intermodulation distortion (IMD) in wide bandgap solid state amplifiers that results from multi-tone signals. For this program, up to 8 simultaneous tones will be studied. To demonstrate the… More

Future military satellite communication systems will achieve higher signal capacities by employing complex modulation and channel schemes that are closely spaced in frequency. Nonlinearities in the terminal electronics, particularly power amplifiers, cause spectral regrowth in the adjacent channels… More

Auriga Measurement Systems has teamed with M/A-COM Technology Solutions and the Massachusetts Institute of Technology to provide the Army with single-pole, multi-throw and multi-pole, multi-throw switching elements suitable for the Joint Tactical Radio Systems. Insulated gate GaN HFETs on silicon… More

Auriga will produce a mast-mounted LNA that could withstand the high input power environment by utilizing a transistor typically found in power amplifiers; this transistor would also provide low noise characteristics. This novel approach was proposed and validated in Phase I. The enabling technology… More

In modern communication systems, complex waveforms force amplifiers to operate under inefficient conditions in order to achieve the necessary linearity. It is extremely difficult and costly to optimize the design of an amplifier for the best trade-off between linearity and efficiency. Under this… More

Inefficiencies in radar transmitters lead to large prime power and cooling requirements for radars. The resulting prime power and cooling needs have a significant impact on radar weight, deckhouse volume, and cost and in turn can drive platform design. These problems are exacerbated for Ballistic… More

This SBIR posits that modern communication systems use complex waveforms that have high peak-to-average power ratios (PAPR). High PAPR imposes an undesirable trade-off between efficiency and linearity on a communications transmitter. Current systems sacrifice efficiency for linear operation and the… More

Phase I tasks will determine the integration plan for the block downconverters used in satellite communication systems. The anticipated advantage of using GaN HFETs for limiter/LNA combination will be quantified. The concept will be verified by device characterization, modeling and a prototype… More

Modern RF electronics such as those used in airborne active electronically scanned array (AESA) based radar systems employ high-power density, high-temperature electronic devices requiring advanced thermal management technology. For optimal operation, these devices, in particular the… More

Inefficiencies in radar transmitters lead to large prime power and cooling requirements for radars. The resulting prime power and cooling needs have a significant impact on radar weight, volume, and cost and in turn can drive platform design. Power amplifier (PA) inefficiencies are the driving… More

Achieving very high-power amplification with maximum efficiency at X- and Ka-band is challenging using solid-state technology. Gallium Arsenide (GaAs) has been the material of choice for high-power microwave systems at these frequencies for decades. Until only recently, GaAs was unchallenged at Ka… More

ABSTRACT: Auriga will produce an ultra-linear high-power, high-efficiency amplifier to be used in satellite communication systems. The innovative approaches are proposed and validated in Phase I. The enabling technology is Gallium Nitride (GaN) ,which is well-known for its power handling… More

ABSTRACT: Phase I tasks will produce a full-duplex, multi-channel, S-band transmit-receive (T/R) module design and the associated panel structure for integration into large communication phased array antennas. An RF section featuring advanced, two-chip Monolithic Microwave Integrated Circuit (MMIC)… More