RF Amplifiers have impedance-matching capabilities.

Press Release Summary:

Featuring internal impedance transformer with selectable output impedance values of 12.5, 25, 50, 100, 200, and 400 W, A3 amplifiers are suited for R&D applications and general purpose lab use. Models 800A3 (800 W), 1500A3 (1,500 W), and 5000A3 (5,000 W) cover 10 kHz to 3 MHz frequency range. External impedance transformer is also available for applications requiring extended range from 8-2,000 W.

Original Press Release:

The A3 Family of RF Amplifiers from AR Offers Unique Impedance-Matching Capabilities

Souderton, PA- 12/18/07 - Most RF amplifiers have a nominal internal impedance of 50 ohms, which is fine for most RF applications. But since more and more low to mid-frequency RF applications are now characterized by impedances other than the usual 50 ohms, AR RF/Microwave Instrumentation has created a family of RF power amplifiers that can incorporate a variable output impedance.

The A3 amplifiers feature an internal impedance transformer with selectable output impedance values of 12.5, 25, 50, 100, 200 and 400 ohms. An external impedance transformer is also available for applications requiring an extended range from 8 - 2000 ohms.

The A3 family presently includes three amplifiers: Model 800A3 (800 watts), Model 1500A3 (1500 watts), and Model 5000A3 (5000 watts). Each of the amplifiers covers the 10 kHz to 3 MHz frequency range.

The unique impedance-matching capabilities along with the excellent mismatch tolerance makes the A3 series amplifiers extremely well suited to the ever-changing requirements of research & development applications as well as general purpose lab use.

A3 amplifiers are currently being used in applications for fluorescent lighting, ultrasound, plasma generation and testing, mass spectrometers, piezoelectric crystals, EMC, and a variety of low to mid-frequency RF applications. For other applications and more information on impedance matching, please see AR RF/Microwave Application Note #47 - available in the Application Notes section of AR Information Resource Center on the company's web site (www.arww-rfmicro.com/html/irc_appnotes.asp).

AR Competitive Edge products supply a multitude of unique RF solutions to companies around the world. The company's limitless support network reaches the far corners of the globe. AR products are backed by the company's "Competitive Edge" warranty, the best and most comprehensive warranty in the industry. When companies purchase from any AR company they have the peace of mind that comes from knowing the global leader will be there to help with any problems today, tomorrow and always.

For more information, contact

AR RF/Microwave Instrumentation
160 School House Rd.
Souderton, PA 18964
or at www.ar-worldwide.com.

For an applications engineer, call 800-933-8181.

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