Chapter 26

2 nanosecond, 0.1% resolution settling time measurement for wideband amplifiers

Quantifying quick quiescence

Jim Williams

Introduction

Instrumentation, waveform synthesis, data acquisition, feedback control systems and other application areas utilize wideband amplifiers. Current generation components (see box section, next page, “A Precision Wideband Amplifier with 9ns Settling Time”) feature good DC precision while maintaining high speed operation. Verifying precision operation at high speed is essential, and presents a high order measurement challenge.

Settling time defined

Amplifier DC specifications are relatively easy to verify. Measurement techniques are well understood, albeit often tedious. AC specifications require more sophisticated ...

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