SEPTEMBER 25, 2016 BYJONATHAN HARRIS "As somewhat of a continuation of my last blog topic I am once again returning to measurement of an...

By Benjamin Dannan and Steven Sandler, Picotest.com High speed Printed Circuit Board (PCB) design requires well designed Power Delivery...

By Benjamin Dannan and Steven Sandler, Picotest.com Control loop stability is critical to the performance of all systems, as it...

Click here to read the entire article. #powerdistributionnetwork #groundloop #powerintegrity #J2113A #2portshunt #e5061b #j2102a...

Today’s high speed systems require clean power under challenging conditions. Extremely fast current transients and high voltage stability...

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...

BROWSER-CLASS PROBE Several companies manufacture and distribute high-frequency TDR probes. These probes are typically designed for very...

A frequency response analyzer (‘FRA’) is often used to measure gain and phase plots of control loops (Bode plots), filter responses and...

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

Shunt through, wideband measurements can be made from approximately 100 microohms to a few ohms. This is the measurement performed by...

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

As Sandler explains, analysis based on impedance measurements can more thoroughly assess control loop stability than Bode plot...

How do you use the Picotest injectors and the Agilent analyzer to measure output impedance and/or non-invasive step loading? For the...

The resistor being measured is a 250uOhm 1% resistor manufactured by Stackpole. The datasheet is not clear about how the device...

Introduction Most of us have experience using a wideband signal injection transformer to introduce a modulation signal into our loop...

Output impedance is the key to testing filter and regulator phase margin, even when the control loop is inaccessible. Many voltage...

RF/microwave design engineers faced with developing effective power circuits for a system require more complete data sheets, appropriate...

Click here to read the entire article. #e5061b #j2120a #psrr #applicationnotes #bode100 #picotest

When measuring a circuit or device with our network analyzers, engineers generally inject a signal and believe that the measured results...

My Bode plot doesn’t look right, what am I doing wrong? The most common error made when measuring Bode plots is that the signal is too...