R&K: The Company

Innovation in RF and microwave products

Cutting edge products

R&K is a highly respected manufacturer providing cutting-edge products to the RF and microwave industries. For more than 10 years, Cornes Technologies USA has partnered with R&K to serve customers throughout North America.

Today, R&K’s solid-state power amplifiers are powering the world’s most advanced linear accelerators for high-energy physics research applications and comprehensive EMC test requirements. With a large installed base of amplifiers located in key labs worldwide, R&K is a proven provider for your power requirements.

The R&K Series of Broadband Solid-State RF Power Amplifiers offers:

Frequency Range of 9 KHz to 6 GHz
Output Power Range of 5 W to 12 kW
Latest Gallium Nitride (GaN) HEMT semiconductor device technology

R&K products are consistently selected against competitors based on customer evaluation, superior amplifier performance, ease of use and high reliability.

In addition to RF power amplifiers, R&K offers a wide selection of the following types of compact RF products for a variety of applications:

Small Signal Amplifiers
Low Noise Amplifiers
8-pin & Surface Mount Components
GaAs FET Amplifiers

New Fail Safe Amplifier Designs!

Long considered the gold standard for reliable narrow band amplifiers for high-power accelerator applications, R&K Limited in Japan is now making its unique Fail Safe technology available to the EMC test market. Offered through its North American partner, Cornes Technologies USA, R&K backs its claim of superior performance and reliability with an unprecedented 4-year warranty for the new FSA amplifier series of Class A amplifiers.

Class A Fail Safe Design	Frequency	Gain (min)	Gain Flatness (max)	Power (@3dB Compression)	Warranty
FSA009K251- 5757R	9kHz~ 250MHz	+57.0dB	+/-2dB	500W	4 Years	Download Brochure
FSA080M102- 5454R	80MHz~ 1000MHz	+54.0dB	+/-3dB	250W	4 Years	Download Brochure

Custom Products

Custom R&K products are also available. Please contact us today with your requirements.

Sales Terms & Conditions

For a copy of the Terms and Conditions for R&K product sales, click here.

To learn more about R&K products…

Quotation & Other Info