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Collin Wells

Our monthly post on our sister blog, the “Precision Hub” on Planet Analog, focuses on transient stability testing.

In it, I share a recent experience I had with one of our summer interns. He was taking transient stability data on a design and learned an important lesson – the step size of the output signal is extremely important to achieve accurate results.

Read my full post, "Transient stability testing: Watch your step," on Planet Analog to learn how I helped him identify the issue and correct it.

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  • Hi Deepak,

    The source in the schematic represents a standard lab function generator with an internal 50 Ohm resistance in series with it's output, which is not shown.  The 50 Ohm resistor on the schematic is used to terminate the 50 Ohm output of the generator.  If you don't include the termination resistor you'll find the input to your system is twice as large as the function generator is set to unless you change the output termination of the generator to Hi-Z.  

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  • Hi Deepak,

    The source in the schematic represents a standard lab function generator with an internal 50 Ohm resistance in series with it's output, which is not shown.  The 50 Ohm resistor on the schematic is used to terminate the 50 Ohm output of the generator.  If you don't include the termination resistor you'll find the input to your system is twice as large as the function generator is set to unless you change the output termination of the generator to Hi-Z.  

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