R854 Series
Range Switch
4-Pole
8-Bit Programmable
Low-Pass Filters
Model
R854L8B
R854L8L
R854L8Y2
R854L8Y5
Product Specifications
Transfer Function
4-Pole,
Butterworth
4-Pole,
Bessel
4-Pole, Chebychev,
0.2 dB Ripple
4-Pole, Chebychev,
0.5 dB Ripple
Size
4.0” x 2.0” x 0.6”
4.0” x 2.0” x 0.6”
4.0” x 2.0” x 0.6”
4.0” x 2.0” x 0.6”
Range fc
1.0 Hz to 102.4 kHz
1.0 Hz to 102.4 kHz
1.0 Hz to 102.4 kHz
1.0 Hz to 102.4 kHz
Theoretical Transfer
Characteristics
Appendix A
Page 7
Appendix A
Page 2
Appendix A
Page 12
Appendix A
Page 15
Passband Ripple
(theoretical)
0.0 dB
0.0 dB
0.2 dB
0.5 dB
DC Voltage Gain
(non-inverting)
0
0
0.1 dB max.
0.05 dB typ.
0
0
0.1 dB max.
0.05 dB typ.
0
0
0.1 dB max.
0.05 dB typ.
0
0
0.1 dB max.
0.05 dB typ.
Stopband
Attenuation Rate
24 dB/octave
24 dB/octave
24 dB/octave
24 dB/octave
2% max. fc
Cutoff Frequency
Stability
Amplitude
Phase
fc
2% max.
fc
2% max.
fc
2% max.
0.01% /°C
- 3 dB
-180°
0.01% /°C
- 3 dB
-121°
0.01% /°C
- 3 dB
- 231°
0.01% /°C
- 3 dB
-245°
Filter Attenuation
(theoretical)
0.67 dB
3.01 dB
30.0 dB
40.0 dB
0.80 fc
1.00 fc
2.37 fc
3.16 fc
1.86 dB
3.01 dB
30.0 dB
40.0 dB
0.80 fc
1.00 fc
3.50 fc
4.72 fc
-0.20 dB
3.01 dB
30.0 dB
40.0 dB
0.80 fc -0.43 dB
1.00 fc 3.01 dB
1.89 fc 30.0 dB
2.46 fc 40.0 dB
0.80 fc
1.00 fc
1.80 fc
2.33 fc
1
Phase Match
0 - 0.8 fc
2° max.
1° typ.
0 - fc
2° max.
1° typ.
0 - 0.8 fc
2° max.
1° typ.
0 - 0.8 fc
2° max.
1° typ.
0.8 fc - 1.0 fc 3° max.
1.5° typ.
0.8 fc - 1.0 fc 3° max.
1.5° typ.
0.8 fc - 1.0 fc 3° max.
1.5° typ.
Amplitude Accuracy
(theoretical)
0 - 0.8 fc
0.2 dB max. 0 - fc
0.1 dB typ.
0.2 dB max. 0 - 0.8 fc
0.1 dB typ.
0.2 dB max. 0 - 0.8 fc
0.1 dB typ.
0.2 dB max.
0.1 dB typ.
0.8 fc - 1.0 fc 0.3 dB max.
0.15 dB typ.
0.8 fc - 1.0 fc 0.3 dB max. 0.8 fc - 1.0 fc 0.3 dB max.
0.15 dB typ. 0.15 dB typ.
Total Harmonic
< - 100 dB typ.
200 mVrms typ.
50 mVrms typ.
< - 100 dB typ.
200 mVrms typ.
50 mVrms typ.
< - 88 dB typ.
200 mVrms typ.
50 mVrms typ.
< - 88 dB typ.
200 mVrms typ.
50 mVrms typ.
Distortion @ 1 kHz
Wide Band Noise
(5 Hz - 2 MHz)
Narrow Band Noise
(5 Hz - 100 kHz)
Filter Mounting
Assembly
FMA-03A
FMA-03A
FMA-03A
FMA-03A
3
1784 Chessie Lane, Ottawa, IL 61350 • Tel: 800/252-7074, 815/434-7800 • FAX: 815/434-8176
e-mail: sales@freqdev.com • Web Address: http://www.freqdev.com
FREQUENCYDEVICES [ FREQUENCY DEVICES, INC. ]
