Model 950
Tunable Filter Instruments
Model
Product Specifications
Transfer Function
Range f
c
Theoretical Transfer
Characteristics
Passband Ripple
(theoretical)
950L8B
Low-Pass
8-Pole, Butterworth
10 Hz to 50.0 kHz
0.0 dB
0 ± 0.1 dB typ.
0 ± 0.2 dB max.
950L8L
Low-Pass
8-Pole, Bessel
10 Hz to 50.0 kHz
0.0 dB
0 ± 0.1 dB typ.
0 ± 0.2 dB max.
Model
950H8B
High-Pass
Transfer Function
Range f
c
Theoretical Transfer
Characteristics
Passband Ripple
(theoretical)
8-Pole, Butterworth
10 Hz to 50.0 kHz
0.0 dB
0 ± 0.2 dB to 100 kHz
0 ± 0.5 dB to 120 kHz
120 kHz
48 dB/Octave
f
c
± 2% max.
± 0.05% typ.
± 2% max.
± 0.01%/°C typ.
± 0.02%/°C max.
-3 dB
-360°
80.0 dB
60.0 dB
3.01 dB
0.00 dB
<-88 dB typ.
100
mV
rms typ.
0.31 f
c
0.42 f
c
1.00 f
c
2.00 f
c
DC Voltage Gain
(non-inverting)
Voltage Gain
(non-inverting)
Power Bandwidth
Stopband
Attenuation Rate
Cutoff Frequency
Accuracy
Stability
Amplitude
Phase
Filter Attenuation
48 dB/Octave
f
c
± 2% max.
± 0.05% typ.
± 2% max
± 0.01%/°C typ.
± 0.02%/°C max.
-3 dB
-360°
0.12 dB
3.01 dB
60.0 dB
80.0 dB
<-90 dB typ.
50
mV
rms typ.
0.80 f
c
1.00 f
c
2.37 f
c
3.16 f
c
48 dB/Octave
f
c
± 2% max.
± 0.05% typ.
.± 2% max.
± 0.01%/°C typ.
± 0.02%/°C max.
-3 dB
-182°
1.91 dB
3.01 dB
60.0 dB
80.0 dB
<-90 dB typ.
50
mV
rms typ.
0.80 f
c
1.00 f
c
4.52 f
c
6.07 f
c
Stopband
Attenuation Rate
Cutoff Frequency
Accuracy
Stability
Amplitude
Phase
Filter Attenuation
Total Harmonic
Distortion @ 1 kHz
Narrow Band Noise
(5 Hz - 100 kHz)
Total Harmonic
Distortion @ 1 kHz
Narrow Band Noise
(5 Hz - 100 kHz)
3
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