D94L4L datasheet(2/5 Pages) FREQUENCYDEVICES

Part #	D94L4L

Description	4 Pole Single Power Supply Anti-Aliasing Low-Pass Filters

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Manufacturer	FREQUENCYDEVICES [Frequency Devices, Inc.]

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

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D94 Series

1 Hz to 400 kHz*

Low Noise Fixed Frequency

4 - Pole Single Power Supply

Anti-Aliasing Low-Pass Filters

2

1784 Chessie Lane, Ottawa, Illinois 61350

• Tel:800/252-7074, 815/434-7800 • FAX:815/434-8176

e-mail: sales@freqdev.com

• Web Address: http://www.freqdev.com

D94L4B

D94L4L

Transfer Function

4-Pole Butterworth

4-Pole Bessel

Size

1.5” x 2.0” x 0.4”

Range fc

1.0 Hz to 400 kHz

1.0 Hz to 200 kHz

Theoretical Transfer

Characteristics

Appendix A

Page 7

Appendix A

Page 2

Passband Ripple

(theoretical)

0.0 dB

DC Voltage Gain

(non-inverting)

0

± 0.1 dB max.

0

± 0.05 dB typ.

0

± 0.1 dB max.

0

± 0.05 dB typ.

Stopband

Attenuation Rate

24 dB/octave

21 dB/octave

Cutoff Frequency

fc

± 1% max.

fc

± 1% max.

Stability

± 0.01%/°C

Amplitude

-3 dB

Phase

-180

°

-121

°

Filter Attenuation

(theoretical)

0.67 dB

0.80 fc

1.86 dB

0.80 fc

3.01 dB

1.00 fc

3.01 dB

1.00 fc

30.0 dB

2.37 fc

30.0 dB

3.50 fc

40.0 dB

3.16 fc

40.0 dB

4.72 fc

Amplitude Accuracy

(theoretical)

0 – 0.8 fc

±0.2 dB max.

0 – 0.8 fc

±0.2 dB max.

±0.1 dB typ.

0.8 fc – 1.0 fc

±0.3 dB max.

0.8 fc – 1.0 fc

±0.3 dB max.

±0.15 dB typ.

(THD) Total Harmonic

Distortion @ 1 kHz

<-100 dB

Wide Band Noise

(5 Hz – 2 MHz)

< 200 µVrms

SINAD

<-100 dB

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