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Interference Technology

For EMI / EMC Engineers

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Amplifers

Power Amplifiers Target EMC Testing Applications

 

IFI’s CMC300 series amplifier provides a minimum of 300 Watts of CW Power for the 10MHz to 1.0GHz frequency range. This type of amplifier is available at many power levels from 10 watts through 500-watt power levels. The unit encompasses a compact design in a single drawer 10.5 inches in height (depending on the power level and options) x 19 inches in width x 25.25 in depth. … [Read more...]

AR’s New “A” Series Amplifiers Are Smaller, More Powerful, And More Economical

 

Souderton, PA — October 21, 2009 — New innovations at AR RF/Microwave Instrumentation are enabling the company to produce smaller, more compact amplifiers with just as much power as the older, larger models. The new “A” Series amplifiers, for example, are 25% -- 50% smaller than previous models, yet the new size does not mean a reduction in power. These newer, smaller models … [Read more...]

PDM Digital-Input Class D Audio Amplifier Mitigates EMI

 

Analog Devices Inc. recently announced its PDM (pulse density modulation) digital-input Class D audio amplifier for handset and other portable applications, such as portable media players and laptop computers. The SSM2517 Class D audio amplifier combines a filterless mono Class D amplifier with an audio DAC in a tiny 1.5 mm x 1.5 mm package – the same size as some existing … [Read more...]

MILMEGA Announces Upgraded Power Amplifier Specifications

 

All models of MILMEGA's popular 0.8-6.0 range of solid state power amplifiers are now specified with improved P1dB levels. For instance, model AS0860-75/45 now has a guaranteed 75W P1dB power over 0.8-2.5GHz and 45W P1dB over the 2.5-6.0GHz frequency.  This improvement applies to all models the AS0860 range and is another example of MILMEGA's unrelenting mission to provide … [Read more...]

Broadband High Power Solid State RF Amplifier

 

The 5193 multi-octave broadband amplifier by OPHIR RF is a 50-watt system that covers the 2-6 GHz frequency range. This 5.25-inch compact and lightweight amplifier utilizes Gallium Nitride (GaN) RF power transistors that provide a 3rd order intercept point, high gain and wide dynamic range. Optional digital controller is available to display the amplifier operating status and … [Read more...]

MILMEGA Announces New Amplifier Range

 

MILMEGA are pleased to announce the introduction of the new 1.8GHz to 6.0GHz  broadband amplifier range which has been designed to add 1800MHz and 1900MHz test  capability to an already flexible single band / single box solution for communication system test applications. Amplifiers in the range are available in three power levels; 30W, 50W and 100W. These amplifiers are … [Read more...]

Device Reduces System Cost in Consumer Audio

 

Texas Instruments Incorporated recently introduced a 15-W stereo, true filter-free, analog-input, Class-D audio amplifier. The device's advanced electromagnetic interference suppression technology eliminates the need for costly inductor-based output filters, reducing bill of materials (BOM) cost by as much as 50 percent. The TPA3110D2's SpeakerGuard protection circuitry … [Read more...]

AR unveils first model in new series of amplifiers with expanded coverage

 

AR RF/Microwave Instrumentation has unveiled the first model in its new “A” Series RF amplifier line. Model 500A250A covers 10kHz-250 kHz, and provides a minimum of 500 watts of swept power when used with an RF sweep generator. Model 500A250A, which replaces models 250A250A, 500A100A and 500A250, boasts roughly a 35 percent reduction in size and weight compared to existing … [Read more...]

New radiant arrow features 75% size reduction

 

The AR's new Model ATR26M6G-1, which covers 26 MHz to 6 GHz and can accept up to 5000 watts of input power, is uniquely suited for use in both traditional applications and in compact test chambers. Its broad frequency range addresses existing RF susceptibility requirements as well as anticipated developments.The ATR26M6G-1 features a 75 percent size reduction over standard … [Read more...]

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