New answers tagged active-filter
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2nd order low pass filter sallen key variation
central problem: \$c\$ is negative
It's been over a day without any response from you. You may be busy. So let's go with that. In the meantime, I have allowed this circuit to percolate in my mind in ...
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2
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Wave shaping circuit with active filter tuned oscillator
The inductance simulator circuit appears to me to be a variant of Antoniu's original circuit, with C having been exchanged for R3. The two opposing diodes, as far as the signal is concerned, are a ...
- 1,684
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How to choose normalized filter order from Omega in these attenuation graphs from 1967?
\$\Omega\$ is the "normalized frequency". It's the frequency as a multiple of the cut-off frequency of the filter. Mathematically
$$\Omega=\frac{\omega}{\omega_c}$$
So if you are designing a ...
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