phaser using ota's , and matching between stages

danial stocks diode at hotmail.com
Mon Jul 3 05:15:58 CEST 2000


>I'm thinking about building a phaser using the Ca 3094 ota , along the
>lines of the Moog stage phaser , and was wondering how closely the
>capacitors needed to be matched in each stage ? the caps are 1nf value.

Ibuilt a phaser with lm13600 ota's , the res & caps were all 5% ie just 
straight from shop into circuit board and it sounds great! My whole interest 
in the OTA style of phaser is the fact that it will sound good without any 
matching of parts, unlike the fet design..
Cheers,
Dan
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