Fixed Frequency
D66 & DP66 Series
6-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
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
D66L6B & DP66L6B
D66L6L & DP66L6L
Model
D66H6B
Product Specifications
Low-Pass
Low-Pass
High-pass
Transfer Function
6-Pole, Butterworth
6-Pole, Bessel
Transfer Function
6-Pole, Butterworth
Size
1.8” x 0.8” x 0.3”
1.8” x 0.8” x 0.3”
Size
1.8” x 0.8” x 0.3”
Range f
c
D66
DP66
Range f
c
D66
DP66
1 Hz to 100 kHz
1 Hz to 5 kHz
1 Hz to 100 kHz
1 Hz to 5 kHz
1 Hz to 100 kHz
Not Available
Theoretical Transfer
Characteristics
Appendix A
Page 8
Appendix A
Page 3
Theoretical Transfer
Characteristics
Appendix A
Page 28
Passband Ripple
(theoretical)
0.0 dB
0.0 dB
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.
DC Voltage Gain
(non-inverting)
0 ±0.1 dB to 100 kHz
0 ±0.05 dB to 120 kHz
Stopband
Attenuation Rate
Stopband
Attenuation Rate
36 dB/octave
36 dB/octave
36 dB min.
Power Bandwidth
(-6dB) 1 MHz
Power Bandwidth
120 kHz
Cutoff Frequency
Stability
Amplitude
Phase
f
c
±1% max.
±0.01% /°C
-3dB
-270°
f
c
±1% max.
±0.01% /°C
-3dB
-155°
Cutoff Frequency
Stability
Amplitude
Phase
f
c
±1% max.
±0.01% /°C
-3dB
-270°
Filter Attenuation
(theoretical)
0.29 dB 0.80 f
c
3.01 dB 1.00 f
c
60.0 dB 3.16 f
c
80.0 dB 4.64 f
c
1.89 dB 0.80 f
c
3.01 dB 1.00 f
c
60.0 dB 5.41 f
c
80.0 dB 7.99 f
c
Filter Attenuation
(theoretical)
80.0 dB .21 f
c
60.0 dB .32 f
c
3.01 dB 1.00 f
c
0.00 dB 2.5 f
c
Phase Match
1
0 - 0.8 f
c
±2° max.
±1° typ.
±3° max.
±1.5° typ.
0 - f
c
±2° max.
±1° typ.
Phase Match
1
f
c
- 100 kHz
±3° max.
±1.5° typ.
0.8 f
c
- 1.0 f
c
Amplitude Accuracy
(theoretical)
0 - 0.8 f
c
±0.2 dB max.
±0.1 dB typ.
0 - f
c
±0.2 dB max.
±0.1 dB typ.
Amplitude Accuracy
(theoretical)
1.0 - 1.25 f
c
±0.3 dB max.
±0.15 dB typ.
0.8 f
c
- 1.0 f
c
±0.3° dB max.
±0.15° dB typ.
1.25f
c
-100kHz ±0.2 dB max.
±0.1 dB typ.
Total Harmonic
Distortion @ 1 kHz
D66
DP66
Total Harmonic
Distortion @ 1 kHz
D66
DP66
<-100 dB typ.
<-80 dB typ.
<-100 dB typ.
<-80 dB typ.
<-88 dB typ.
Wide Band Noise
(5 Hz - 2 MHz)
200
μ
Vrms typ.
200
μ
Vrms typ.
Wide Band Noise
(5 Hz - 2 MHz)
400
μ
Vrms typ.
Narrow Band Noise
(20 Hz - 100 kHz)
50
μ
Vrms typ.
50
μ
Vrms typ.
Narrow Band Noise
(20 Hz - 100 kHz)
100
μ
Vrms typ.
Filter Mounting
Assembly
Filter Mounting
Assembly
FMA-01A
FMA-01A
FMA-01A