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Fixed Frequency
D64 & DP64 Series
4-Pole
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
3
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
D64H4B
64H4Y2
D64H4Y5
Product Specifications
Transfer Function
4-Pole, Butterworth
4-Pole, Chebychev,
4-Pole, Chebychev,
0.2 dB Ripple
0.5 dB Ripple
Size
1.8” x 0.8” x 0.3”
1.8” x 0.8” x 0.3”
1.8” x 0.8” x 0.3”
Range fc
D64
1 Hz to 100 kHz
1 Hz to 100 kHz
1 Hz to 100 kHz
DP64
Not Available
Not Available
Not Available
Theoretical Transfer
Appendix A
Appendix A
Appendix A
Characteristics
Page 27
Page 31
Page 33
Passband Ripple
0.0 dB
0.20 dB
0.50 dB
(theoretical)
Voltage Gain
0 ± 0.2 dB to 100 kHz
0 ± 0.2 dB to 100 kHz
0 ± 0.2 dB to 100 kHz
(non-inverting)
0 ± 0.5 dB to 120 kHz
0 ± 0.5 dB to 120 kHz
0 ± 0.5 dB to 120 kHz
Power Bandwidth
120 kHz
120 kHz
120 kHz
Small Signal Bandwidth
(-6dB) 1 MHz
(-6dB) 1 MHz
(-6dB) 1 MHz
Stopband
Attenuation Rate
24 dB/octave
24 dB/octave
24 dB/octave
Cutoff Frequency
fc
± 1% max.
fc
± 1% max.
fc
± 1% max.
Stability
± 0.01% /°C
± 0.01% /°C
± 0.01% /°C
Amplitude
-3dB
-3dB
-3dB
Phase
-180°
-231°
-245°
Filter Attenuation
40 dB
0.31 fc
40 dB
0.41 fc
40 dB
0.43 fc
(theoretical)
30 dB
0.42 fc
30 dB
0.53 fc
30 dB
0.56 fc
3.01 dB
1.00 fc
3.01 dB
1.00 fc
3.01 dB
1.00 fc
0.02 dB
2.00 fc
-0.07 dB
2.00 fc
-0.25 dB
2.00 fc
Phase Match1
fc - 100 kHz
± 3° max.
fc - 100 kHz
± 3° max.
fc - 100 kHz
± 3° max.
± 1.5° typ.
± 1.5° typ.
± 1.5° typ.
Amplitude Accuracy
1.0 - 1.25 fc
± 0.30 dB max. 1.0 - 1.25 fc
± 0.30 dB max. 1.0 - 1.25 fc
± 0.30 dB max.
(theoretical)
± 0.15 dB typ.
± 0.15 dB typ.
± 0.15 dB typ.
1.25 fc - 100 kHz± 0.20 dB max. 1.25 fc - 100 kHz ± 0.20 dB max. 1.25 fc - 100 kHz ± 0.20 dB max.
± 0.10 dB typ.
± 0.10 dB typ.
± 0.10 dB typ.
Total Harmonic
Distortion @ 1 kHz
D64
<-88 dB
<-88dB
<-88 dB
Wide Band Noise
400
µVrms typ.
400
µVrms typ.
400
µVrms typ.
(5 Hz - 2 MHz)
Narrow Band Noise
100
µVrms typ.
100
µVrms typ.
100
µVrms typ.
(20 Hz - 100 kHz)
Filter Mounting
Assembly
FMA-01S
FMA-01S
FMA-01S
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