Class A broadband microwave amplifiers sweep two octaves. (model 5S1G4 from Amplifier Research Corp.)

Microwave Journal, July, 1995

Introduction

The model 5S1G4 solid-state broadband microwave amplifier provides 5 W minimum power over two octaves, from 1 to 4.2 GHz. This unprecedented bandwidth is more than double that of the nearest competitor at this power level and frequency range.

Several characteristics make the new amplifier a good tool for radio frequency (RF) susceptibility testing. Its broad bandwidth permits sweep tests that typically would require two or more amplifiers to cover the same frequency range. This amplifier makes all or any portion of this bandwidth instantly available without amplifier switching, band switching or tuning.

The 5S1G4 unit's flat output, [ or -]1 dB (typ), is another important characteristic, assuring superior control of the output level...

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