Duckman wrote:The dumb question of the day: There is a technical basis to use all these fixed 470 resistors and vary only the remaining components in each gyrator or just a designer choice? I mean, you could also set one value for all the bias resistors and so the other being those to be adjusted to the needs of each gyrator, so... is there any difference?
Sweetalk wrote:Duckman wrote:The dumb question of the day: There is a technical basis to use all these fixed 470 resistors and vary only the remaining components in each gyrator or just a designer choice? I mean, you could also set one value for all the bias resistors and so the other being those to be adjusted to the needs of each gyrator, so... is there any difference?
The 470 resistor sets the Q and gain of the gyrator, so, in order to have a similar Q on each band uses the same resistor. The GGG eq uses the same negative loop resistor and the same pull up to bias resistor and only changes the caps...
dorothegreat wrote:noob question:
1) can I eliminate certain frequencies (e.g. 4kHz to 16kHz); and
2) can I eliminate certain frequencies in between two frequencies? (e.g. 8kHz only)
thanks in advance.
apollomusicservice wrote:Thanks artaommahe, I checked again and found mistake.
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