MF10-N

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SNOS547C – JUNE 1999 – REVISED APRIL 2013

Table 1. Summary of Modes. Realizable filter types (e.g. low-pass) denoted by asterisks.

Unless otherwise noted, gains of various filter outputs are inverting and adjustable by resistor ratios.

Number of

Mode

BP

LP

HP

N

AP

Notes

Resistors

1

*

*

*

3

No

1a

May need input buffer. Poor

2

No

dynamics for high Q.

2

*

*

*

3

Universal State-Variable Filter. Best

3

*

*

*

4

Yes

general-purpose mode.

As above, but also includes resistor-

3a

*

*

*

*

7

Yes

tuneable notch.

4

*

*

*

3

No

Gives flatter allpass response than

5

*

*

*

4

6a

*

*

3

Single pole.

6b

HOLP1 = +1

2

Single pole.

HOLP2 = -R3/R2

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