Techtrol Cyclonetics, Inc. Advanced Noise Technologies Division manufactures precision Instrument products for Noise Calibration, Noise Calibration Reference and Noise Measurement, including Ultra Low Noise Sources, and features patented, high-reliability technology. Our Low Noise Sources are a critical component of precision noise measurement systems in the C, X and Ku bands. TCI Low Noise Microwave Sources are designed for AM and PM Noise Standard and Calibration and Metrology Instrumentation applications. Our Instruments utilize proven designs and rugged construction to deliver consistent performance over long-term use, in the field or in the laboratory. Review the technical information and contact Techtrol to discuss your specific application.