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Figure 1. Op amps are often used as unity gain signal buffers, which are not as simple to use as it may appear. The unity-gain op amp...

In this 5-minute video, Steve Sandler of AEi Systems (www.aeng.com) and Picotest (www.picotest.com) takes you on a tour of an advanced...

In 1938 Hendrik Wade Bode, who worked at Bell Labs, published his asymptotic assessment of phase margin and gain margin, bearing his name...

He presents examples of various waveform anomalies and discusses techniques and tips for observing them as well as pitfalls to avoid....

Some low-dropout regulators (LDOs) use multiple feedback loops to improve output voltage transient response. In many of these cases, some...

And by taking measurements across all three test domains, designers can trace power supply ripple-related problems back to root causes...

Although not quite as accurate as the two-port VNA impedance measurement, the current injection technique has advantages including wide...

This video focuses on single-port measurements, describing how they can be applied to low power circuits such as linear regulators,...

In this 5-minute video presentation, Steve Sandler discusses how stability impacts circuit performance, offering examples that...

We can equate the stability to an equivalent phase margin by assuming the magnitude of the gain vector to be 1 and solving for the Q. In...