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Created | January 27, 2013 |
Last modified | January 27, 2013 |
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A simple RC bandpass filter circuit made of two first
order RC-filters. The first is low-pass and the second
high-pass element. A signal generator is added to the
input and probes to the output. You can study:
- the frequency domain behaviour, and
- the time domain analysis
In the frequency domain analysis you can obtain the
peak around 500 kHz. Notice also how the phase of
the output is behaving at low and high frequencies.
In the time domain analysis you can verify the amplitudes
and phase shift seen in the frequency domain graphs.
Notice how the output voltage peaks about 1/4 of the
wavelength (=90 degrees) before the input.
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