High-Pass

6-Pole

Appendix A

Butterworth

28

1784 Chessie Lane, Ottawa, IL 61350 • Tel: 800/252-7074, 815/434-7800 • FAX: 815/434-8176

e-mail: sales@freqdev.com Web Address: http://www.freqdev.com

(sec)

Normalized Frequency(f/fc)

Theoretical Transfer Characteristics

1

Frequency Response

0.1

1.0

10.0

2

3 4 5 6 78

2

3 4 5 6 7

-100

-80

-60

-40

-20

0

0.10

0.20

0.30

0.40

0.50

0.60

0.70

0.80

0.85

0.90

0.95

1.00

1.20

1.40

1.60

1.80

2.00

2.50

3.00

4.00

5.00

6.00

7.00

8.00

9.00

10.0

0.00

0.00

0.00

0.00

0.00

0.00

-0.00

-0.00

-0.00

-0.00

0.00

-4.55

-3.01

-0.46

-0.08

-0.02

-26.6

-18.6

-11.9

-9.05

-6.57

-120

-83.9

-62.7

-47.8

-36.1

518

496

473

450

425

400

373

342

325

307

288

270

209

172

147

128

115

90.4

74.8

55.8

44.5

37.0

31.7

27.7

24.6

22.2

0.025

0.017

0.013

0.010

0.008

0.006

0.219

0.171

0.105

0.071

0.039

1.033

1.005

0.660

0.417

0.291

0.731

0.803

0.911

0.970

1.017

0.617

0.624

0.637

0.656

0.685

1.Normalized Group Delay:

The above delay data is normalized to a corner frequency

of 1.0Hz.The actual delay is the normalized delay divided

by the actual corner frequency (fc).

Actual Delay =

Normalized Delay

Actual Corner Frequency (fc) in Hz

f/fc

(Hz)

Amp

(dB)

Phase

(deg)

Delay