Models 900CT & 900BT
8 Pole
High Pass Filters
900H8E
900H8EY
8-Pole, 6 zero
Elliptic
0.1 Hz to 49.9 kHz
1 part in 499
within each decade
-0.05 dB
0
±
0.2 dB to.100kHz
0
±
0.5 dB to 120kHz.
Single Channel –
Model
Transfer Function
Range fc, fr
Theoretical Transfer
Characteristics
Tuning Resolution
Passband Ripple
Pass Band Voltage
Gain
(non-inverting
)
Powert Bandwidth
Stopband
Attenuation
Cutoff Frequency
Accuracy
Certified
900H8B
Filter Specifications
8-Pole
8-Pole, 6 zero
Butterworth
Elliptic
0.1 Hz to 49.9 kHz
1 part in 499
within each decade
0.0 dB
0
±
0.2 dB to.100kHz
0
±
0.5 dB to 120kHz.
0.1 Hz to 49.9 kHz
1 part in 499
within each decade
±0.035
dB
0
±
0.2 dB to.100kHz
0
±
0.5 dB to 120kHz.
120 kHz
48 dB/Octave
fc
±2%
max.
±0.5%
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
0.31 fc
0.42 fc
1.00 fc
2.00 fc
120 kHz
-80 dB typ.
fc
±2%
max.
±0.5%
typ.
±2%
max.
±0.01%/°C
typ.
±0.02%/°C
max.
-0.035 dB
-323°
80.0 dB
60.0 dB
3.01 dB
0.03 dB
0.00 dB
0.56 fr
0.60 fr
0.88 fr
1.00 fr
2.00 fr
120 kHz
-100 dB typ.
fc
±2%
max.
±0.5%
typ.
±2%
max.
±0.01%/°C
typ.
±0.02%/°C
max.
-0.5 dB
-419°
100.0 dB
80.0 dB
3.01 dB
0.03 dB
0.00 dB
0.50 fr
0.55 fr
0.94 fr
1.00 fr
2.00 fr
Stability
Amplitude
Phase
Filter Attenuation
(theoretical)
Total Harmonic
Distortion @ 1 kHz
Wide Band Noise
(5 Hz – 2 MHz)
<-88 dB typ.
<-88 dB typ.
<-88 dB typ.
400µV
rms
typ.
100µV
rms
typ.
400µV
rms
typ.
100µV
rms
typ.
500µV
rms
typ.
150µV
rms
typ.
Narrow Band Noise
(5 Hz – 100 kHz)
8
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e-mail: sales@freqdev.com
•
Web Address: http://www.freqdev.com
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