Injection

Dec 13, 20221 min read

Podcast with Steve Sandler: All About Probes and Ensuring Accurate Measurements

Judy Warner of The EEcosystem discusses with Steve Sandler the topic of probes. He explains how they work, why there are so many...

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A Bode Plot Without Access to the Control Loop

Picotest

Dec 27, 20211 min read

A Bode Plot Without Access to the Control Loop

November 23, 2021 Steve Sandler This extreme measurement seems more impossible than difficult. The traditional stability assessment...

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Siglent App Note: Measuring Power Supply Control Loop Response with Bode Plot II

Picotest

Jun 28, 20191 min read

Siglent App Note: Measuring Power Supply Control Loop Response with Bode Plot II

In this application note, we will show you the basic principles for making this stability measurement and how to use these instruments to...

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Convert Voltage to dBm and dBm to Voltage (peak-peak and RMS)

Picotest

May 11, 20161 min read

Convert Voltage to dBm and dBm to Voltage (peak-peak and RMS)

dBm is power referenced to 1mW, where Rref is the system impedance Since most systems, including the Bode 100 are 50Ohms, this can be...

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Picotest

Jul 1, 20142 min read

Three Stability Assessment Methods Every Engineer Should Know About

Many engineers are familiar with the Bode plot as an effective stability assessment method. However, some authors suggest and even teach...

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FAQ #18: What injection resistor value should I use? Is it okay to use a little larger resistor like

Picotest

Feb 27, 20122 min read

FAQ #18: What injection resistor value should I use? Is it okay to use a little larger resistor like

What injection resistor value should I use? Is it okay to use a little larger resistor like 30 or 50 ohm instead of 5 ohm (like many app...

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Picotest

Nov 26, 20101 min read

Why Network Analyzer Signal Levels Affect Measurement Results

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

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Signal Injection Transformers – What makes them special?

Picotest

Nov 16, 20102 min read

Signal Injection Transformers – What makes them special?

In this article we’ll take a look at what makes the signal injection transformer special, why an audio or video transformer is not a...

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Picotest

Jan 1, 20102 min read

FAQ #14: Please specify what is the maximum AC injection signal voltage and current for the J2120 Li

Please specify what is the maximum AC injection signal voltage and current for the J2120 Line Injector? We need to measure PSRR of our...

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Picotest

Jan 1, 20101 min read

FAQ #9: My Bode plot doesn’t look right, what am I doing wrong?

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...

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