#injection

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...

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...

Jan 29, 20161 min read

Killing the Bode Plot

Many new linear devices, including voltage references, voltage regulators and opamps have internal feedback loops, prohibiting...

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...

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...

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...

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...

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...

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...