D100L Datasheet, PDF (2/7 Pages) Frequency Devices, Inc. – 4- and 8- Pole Low-Pass Filters

D100L Series
100 Hz to 100 kHz
Low Noise Fixed Frequency
4- and 8- Pole
Low-Pass Filters
D100L4B
Product Specifications
Transfer Function
4-Pole Butterworth
D100L4L
4-Pole Bessel
D100L8B
8-Pole Butterworth
D100L8L
8-Pole Bessel
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”
1.8” x 0.8” x 0.3”
Range f_c
100 Hz to 100 kHz 100 Hz to 100 kHz 100 Hz to 100 kHz 100 Hz to 100 kHz
Theoretical Transfer
Characteristics
Passband Ripple
(theoretical)
Appendix A
Page 7
0.0 dB
Appendix A
Page 2
0.0 dB
Appendix A
Page 9
0.0 dB
Appendix A
Page 4
0.0 dB
DC Voltage Gain
(non-inverting)
0 ± 0.2 dB typ.
0 ± 0.4 dB max.
0 ± 0.2 dB typ.
0 ± 0.4 dB max.
0 ± 0.2 dB typ.
0 ± 0.4 dB max.
0 ± 0.2 dB typ.
0 ± 0.4 dB max.
Stopband
Attenuation Rate
24 dB/octave
24 dB/octave
48 dB/octave
48 dB/octave
Cutoff Frequency
Stability
Amplitude
Phase
f_c
± 1% max.
± 0.01%/°C
-3 dB
-180°
f_c
± 1% max.
± 0.01%/°C
-3 dB
-121°
f_c
± 1% max.
± 0.01%/°C
-3 dB
-360°
f_c
± 1% max.
± 0.01%/°C
-3 dB
-182°
Filter Attenuation
(theoretical)
Phase Match¹
0.67 dB
3.01 dB
30.0 dB
40.0 dB
0.80 f_c
1.00 f_c
2.37 f_c
3.16 f_c
0 – f_c ± 2.0° max
± 1.0° typ
1.86 dB
3.01 dB
30.0 dB
40.0 dB
0.80 f_c
1.00 f_c
3.50 f_c
4.72 f_c
0 – f_c ± 2.0° max
± 1.0° typ
0.12 dB
3.01 dB
60.0 dB
80.0 dB
0.80 f_c
1.00 f_c
2.37 f_c
3.16 f_c
0 – f_c ± 2.0° max
± 1.0° typ
1.91 dB
3.01 dB
60.0 dB
80.0 dB
0.80 f_c
1.00 f_c
4.52 f_c
6.07 f_c
0 – f_c ± 2.0° max
± 1.0° typ
Amplitude Accuracy
(theoretical)
0 – f_c ±0.2 dB max 0 – f_c ±0.2 dB max
±0.1 dB typ
±0.1 dB typ
0 – f_c ±0.2 dB max
±0.1 dB typ
0 – f_c ±0.2 dB max
±0.1 dB typ
(THD) Total Harmonic
Distortion @ 10 Vp-p
F_C ≤1.0 kHz
F_C ≤20 kHz
F_C ≤100 kHz
<-120 dB max.
<-120 dB max.
<-110 dB max.
<-120 dB max.
<-120 dB max.
<-110 dB max.
<-120 dB max.
<-120 dB max.
<-105 dB max.
<-120 dB max.
<-120 dB max.
<-105 dB max.
Narrow Band Noise
100 kHz BW @ 20V p-p
F_C ≤1.0 kHz
F_C ≤20 kHz
F_C ≤100 kHz
(µV rms)
7.0 typ., 12 max.
7.0 typ., 12 max.
22 typ., 40 max.
(µV rms)
7.0 typ., 12 max.
7.0 typ., 12 max.
22 typ., 40 max.
(µV rms)
12 typ., 22 max.
12 typ., 22 max.
40 typ., 70 max.
(µV rms)
12 typ., 22 max.
12 typ., 22 max.
40 typ., 70 max.
Filter Mounting
Assembly²
FMA-01S
FMA-01S
FMA-01S
1. Unit to unit match for the same transfer function, set to the same frequency and operating configuration, and from the same manufacturing lot.
2. Use I/O jumpers to bypass input and output buffers, for low noise operation. With FMA, D100 distortion specs at 50k to 100kHz may degrade slightly.
FMA-01S
2
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