D61H4B datasheet(2/6 Pages) FREQUENCYDEVICES

Part #	D61H4B

Description	4-Pole Filters

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Manufacturer	FREQUENCYDEVICES [Frequency Devices, Inc.]

Direct Link	http://www.freqdev.com/

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Fixed Frequency

D61 Series

4-Pole

Low-Pass Filters

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

2

1. Unit to unit match for the same transfer function, set to the same frequency and operating configuration, and from the same manufacturing lot.

Model

D61L4B

D61L4L

Model

D61H4B

Product Specifications

Low-Pass

High-Pass

Transfer Function

4-Pole, Butterworth

4-Pole, Bessel

Transfer Function

4-Pole, Butterworth

Size

1.8” x 0.8” x 0.5”

Size

1.8” x 0.8” x 0.5”

Range fc

D61

0.02 Hz to 1.00 Hz

D61

0.02 Hz to 1.00 Hz

Theoretical Transfer

Appendix A

Theoretical Transfer

Appendix A

Characteristics

Page 7

Page 2

Characteristics

Page 27

Passband Ripple

0.0 dB

Passband Ripple

0.0 dB

(theoretical)

DC Voltage Gain

0 ± 0.1 dB max.

Voltage Gain

0 ± 0.2 dB to 100 kHz

(non-inverting)

0 ± 0.05 dB typ.

(non-inverting)

0 ± 0.5 dB to 120 kHz

Power Bandwidth

120 kHz

Small Signal Bandwidth

(-6dB) 1 MHz

Stopband

Attenuation Rate

24 dB/octave

Attenuation Rate

24 dB/octave

Cutoff Frequency

fc

± 2% max.

fc

± 2% max.

Cutoff Frequency

fc

± 2% max.

Stability

± 0.01% /°C

Stability

± 0.01% /°C

Amplitude

-3dB

Amplitude

-3dB

Phase

-180°

-121°

Phase

-180°

Filter Attenuation

0.67 dB

0.80 fc

1.86 dB

0.80 fc

Filter Attenuation

40 dB

0.31 fc

(theoretical)

3.01 dB

1.00 fc

3.01 dB

1.00 fc

(theoretical)

30 dB

0.42 fc

30.0 dB

2.37 fc

30.0 dB

3.50 fc

3.01 dB

1.00 fc

40.0 dB

3.16 fc

40.0 dB

4.72 fc

0.02 dB

2.00 fc

Phase Match1

0 - 0.8 fc

± 2° max.

0 - fc

± 2° max.

Phase Match1

0 - 100 kHz

± 3° max.

± 1° typ.

± 1.5° typ.

0.8 fc - 1.0 fc

± 3° max.

± 1.5° typ.

Amplitude Accuracy

0 - 0.8 fc

± 0.2 dB max.

0 - fc

± 0.2 dB max.

Amplitude Accuracy

1.0 - 1.25 fc

± 0.30 dB max.

(theoretical)

± 0.1 dB typ.

(theoretical)

± 0.15 dB typ.

0.8 fc - 1.0 fc ± 0.3 dB max.

1.25 fc -100 kHz ± 0.20 dB max.

± 0.15 dB typ.

± 0.10 dB typ.

Wide Band Noise

200

mVrms typ.

200

mVrms typ.

Wide Band Noise

400

mVrms typ.

(5 Hz - 2 MHz)

Narrow Band Noise

50

mVrms typ.

50

mVrms typ.

Narrow Band Noise

100

mVrms typ.

(20 Hz - 100 kHz)

Filter Mounting

Assembly

FMA-01A

Assembly

FMA-01A

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