818 Series
8-Bit Programmable
Model
Product Specifications
Transfer Function
Size
Range f
c
Theoretical Transfer
Characteristics
Passband Ripple
(theoretical)
8-Pole
High-Pass Filters
818H8E
818H8B
8-Pole,
Butterworth
2.0” x 4.0” x 0.4”
1 kHz to 1.28 MHz
0.0 dB
0 ± 0.5 dB to 1.28 MHz
(-6 dB) 5 MHz
48 dB/octave
f
c
± 0.01% /°C
- 3 dB
-360°
80 dB
60 dB
3.01 dB
0.00 dB
± 3% max.
8-Pole, 6-zero,
Elliptic
2.0” x 4.0” x 0.4”
1 kHz to 1.28 MHz
± 0.035 dB
0 ± 0.5 dB to 1.28 MHz
(-6 dB) 5 MHz
80 dB
f
r
± 0.01% /°C
- 0.035 dB
-323.5°
80.0 dB
60.0 dB
3.01 dB
0.03 dB
00.0 dB
± 3% max.
Voltage Gain
(non-inverting)
Power Bandwidth
Stopband
Attenuation Rate
Cutoff Frequency
Stability
Amplitude
Phase
Filter Attenuation
(theoretical)
0.31 f
c
0.42 f
c
1.00 f
c
2.00 f
c
0.56 f
r
0.60 f
r
0.88 f
r
1.00 f
r
2.00 f
r
Amplitude Accuracy
(theoretical)
1.0 - 1.25 f
c
± 0.5 dB max.
± 0.3 dB typ.
1.25f
c
-1.28MHz± 1.0 dB max.
± 0.5 dB typ.
< - 88 dB typ.
400
µVrms
typ.
100
µVrms
typ.
FMA-04A
1.00 - 1.25 f
r
± 0.5 dB max.
± 0.3 dB typ.
1.25f
r
-1.28MHz± 1.0 dB max.
± 0.5 dB typ.
< - 88 dB typ.
450
µVrms
typ.
100
µVrms
typ.
FMA-04A
Total Harmonic
Distortion @ 1 kHz
Wide Band Noise
Narrow Band Noise
Filter Mounting
Assembly
1.Unit to unit match for the same transfer function, set to the same frequency and operating configuration, and from the same manufacturing lot.
4
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