D78L8B-33.3KHZ datasheet(2/6 Pages) ETC1

Part #	D78L8B-33.3KHZ

Description	32 Pin DIP 8-Pole Filters

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Manufacturer	ETC1 [List of Unclassifed Manufacturers]

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Fixed Frequency

D78 & DP78 Series

8-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

D78L8B & DP78L8B

D78L8L & DP78L8L

Model

D78H8B

Product Specifications

Low-Pass

High-Pass

Transfer Function

8-Pole, Butterworth

8-Pole, Bessel

Transfer Function

8-Pole, Butterworth,

Size

D78 1.00 Hz to 1.00 kHz

1.8” x 0.8” x 0.5”

D78 1.00 Hz to 1.00 kHz

1.8” x 0.8” x 0.5”

D78 1.01 kHz to 100 kHz 1.8” x 0.8” x 0.3”

1.8” x 0.8” x 0.3”

D78 1.01 kHz to 100 kHz

1.8” x 0.8” x 0.3”

DP78 1.00 Hz to 5.00 kHz

1.8” x 0.8” x 0.5”

Range fc

D78

1 Hz to 100 kHz

D78

1 Hz to 100 kHz

DP78

1 Hz to 5 kHz

Theoretical Transfer

Appendix A

Theoretical Transfer

Appendix A

Characteristics

Page 9

Page 4

Characteristics

Page 29

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

48 dB/octave

Attenuation Rate

48 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

-360°

-182°

Phase

-360°

Filter Attenuation

0.12 dB

0.80 fc

1.91 dB

0.80 fc

Filter Attenuation

80 dB

.31 fc

(theoretical)

3.01 dB

1.00 fc

3.01 dB

1.00 fc

(theoretical)

60 dB

.42 fc

60.0 dB

2.37 fc

60.0 dB

4.52 fc

3.01 dB

1.00 fc

80.0 dB

3.16 fc

80.0 dB

6.07 fc

0.00 dB

2.0 fc

Total Harmonic

Distortion @ 1 kHz

D78

<-70 dB

D78

<-70 dB

DP78

<-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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