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Formant Frontpanel design for the Moog Ladder Filter   Picture is courtesy of: Rick Jansen

Ladder Filter

A filter based on the Moog ladder filter

Courtesy/Thanks to: Rick Jansen / Moog

Description: This is a filter that Rick made for his Formant Modular. The design is based on the Minimoog / Prodigy VCF. The exponential converter uses the LM3046 and is temprature controlled. Rick can eventually help to get a PCB made, check out his page for more details.

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VCF 


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Files
moogvcf_combination.gif
   No more info
moogvcf_schematic.gif
   No more info
frontpanel.gif
   Formant Frontpanel design for the Moog Ladder Filter
frontpanel.gif
   Formant Frontpanel design for the Moog Ladder Filter
Links
dropmix.xs4all.nl/rick/Emusic/Moog/
   Ricks Moog Ladder Filter Pages
Modular mother system
Formant
   Modular Synthesizer
Other relations
Moog
   No more info
Parts used
LM 3046
   Transistor Array
LF412
   Low Offset, Low Drift Dual JFET Input Operational Amplifier
BC109
   NPN general purpose transistors
LM329
   Precision Reference
1N4148
   High speed Switching Diode
TL074
   Low-Noise JFet-input Operational Amplifier
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