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2-pole State Variable Filter

Courtesy/Thanks to: Magnus Danielsson

Description: From Magnus site:
This is a classic schoolbook filter which has no fancy features like CV control etc. It is usefull both as it is, but also to put next to the CV-enabled variant (such as the SEM and ASM-1 VCFs) for eductional comparisions. For completeness all outputs are buffered, but that is optional (except for the notch output, if being used). This is also a great filter to use as a base for a full parametric equalizer.

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State variable filter

SVF

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Files

svf1.pdf
	Schematics for Magnus 2-pole filter
svf_by_Sourcery.jpg
	Picture showing how small Magnus SVF can be, this one using 2 TL074, on a breadboard.
svf_by_Sourcery.jpg
	Picture showing how small Magnus SVF can be, this one using 2 TL074, on a breadboard.
sas_saw_through_2_state_pole_var_fi
	An mp3 file showing a SAS-VCO, that is put throught MAgnus State Variable Filter, all the filter out

Parts used

TL074
	Low-Noise JFet-input Operational Amplifier

Classic State Variable Filter
	SVF
SVF
	State Variable Filter
Kymatron VCF1
	Voltage Controlled State Variable Filter