DP74L4B-250KHZ datasheet(2/6 Pages) ETC1

Part #	DP74L4B-250KHZ

Description	16 Pin DIP 4-Pole Filters

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Manufacturer	ETC1 [List of Unclassifed Manufacturers]

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Fixed Frequency

D74 & DP74 Series

4-Pole

Low-Pass and High-Pass Filters

25 Locust St, Haverhill, Massachusetts 01830 • Tel: 800/252-7074, 978/374-0761 • FAX: 978/521-1839

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

2

Model

D74L4B & DP74L4B

D74L4L & DP74L4L

Model

D74H4B

Product Specifications

Low-Pass

High-Pass

Transfer Function

4-Pole, Butterworth

4-Pole, Bessel

Transfer Function

4-Pole, Butterworth

Size

0.88” x 0.46” x 0.375”

Size

0.88” x 0.46” x 0.375”

Range fc

D74

1 Hz to 100 kHz

Range fc

1 Hz to 100 kHz

DP74

1 Hz to 5 kHz

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 typ.

Voltage Gain

0 ± 0.1 dB to 100 kHz

(non-inverting)

Stopband

Attenuation Rate

24 dB/octave

Attenuation Rate

24 dB/octave

Power Bandwidth

120 kHz

Small Signal Bandwidth

(-6 dB) 1 MHz

Cutoff Frequency

fc

± 2% max.

fc

± 2% max.

Cutoff Frequency

fc

± 2% max.

Stability

± 0.03% /°C

Stability

± 0.03% /°C

Amplitude

-3 dB

Amplitude

-3 dB

Phase

-180°

-121°

Phase

-180°

Filter Attenuation

0.67 dB

0.80 fc

1.86 dB

0.80 fc

Filter Attenuation

80 dB

0.10 fc

(theoretical)

3.01 dB

1.00 fc

3.01 dB

1.00 fc

(theoretical)

60 dB

0.18 fc

60.0 dB

5.62 fc

60.0 dB

8.48 fc

3.01 dB

1.00 fc

80.0 dB

10.0 fc

80.0 dB

15.12 fc

0.00 dB

4.00 fc

Total Harmonic

Distortion @ 1 kHz

D74

<-70 dB

D74

<-70 dB

DP74

<-70 dB

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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