- #1

brainbaby

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- TL;DR Summary
- To find output impedance of ltspice circuit with three ac sine source.

Hi friends,

I have taken three sine AC sources and have joined them in series

Formula that I am using is...

Load resistance = 1 k ohm.

The problem arises when I am trying to find the open circuit voltage, as there is no change in output voltage (RMS = 893.42 mV):-

i) When load resistance is 999999 and

ii) When load resistance is 1k.

Where I could be wrong?

Please find .asc file in the attachment.

I have taken three sine AC sources and have joined them in series

**. I want to find the output impedance of this circuit.**Formula that I am using is...

**Output impedance = (Open circuit voltage - Output voltage with load R1) / Output current with load (R1)**Load resistance = 1 k ohm.

The problem arises when I am trying to find the open circuit voltage, as there is no change in output voltage (RMS = 893.42 mV):-

i) When load resistance is 999999 and

ii) When load resistance is 1k.

Where I could be wrong?

Please find .asc file in the attachment.