
25 Locust St, Haverhill, Massachusetts 01830 Tel: 800/252-7074, 978/374-0761 FAX: 978/521-1839
e-mail: sales@freqdev.com Web Address: http://www.freqdev.com
4-Bit Programmable
424 Series
4-Pole
High-Pass Filters
Model
424H4B
424H4Y2
424H4Y5
Product Specifications
Transfer Function
4-Pole,
4-Pole, Chebychev,
Butterworth
0.2 dB Ripple
0.5 dB Ripple
Size
0.8” x 1.8” x 0.3”
0.8" x 1.8" x 0.3"
Range fc
10.0 Hz to 102.4 kHz
Theoretical Transfer
Characteristics
Passband Ripple
0.0 dB
0.20 dB
0.50 dB
(theoretical)
Voltage Gain
0 ± 0.2 dB to 100 kHz
(non-inverting)
0 ± 0.5 dB to 120 kHz
Power Bandwidth
120 kHz
Small Signal Bandwidth
(-6 dB) 1 MHz
Stopband
Attenuation Rate
24 dB/octave
Cutoff Frequency
fc
± 2% max.
fc
± 2% max.
fc
± 2% max.
Stability
± 0.01% /°C
Amplitude
-3 dB
Phase
-180°
-231°
-245°
40 dB
0.31 fc
40.0 dB
0.41 fc
40.0 dB
0.43 fc
(theoretical)
30 dB
0.42 fc
30.0 dB
0.53 fc
30.0 dB
0.56 fc
3.01 dB
1.00 fc
3.01 dB
1.00 fc
3.01 dB
1.00 fc
0.02 dB
2.00 fc
-0.07 dB
2.00 fc
-0.25 dB
2.00 fc
Phase Match1
fc - 100 kHz
± 3° max.
fc - 100 kHz
± 3° max.
fc - 100 kHz
± 3° max.
± 1.5° typ.
Amplitude Accuracy
1.0 - 1.25 fc
± 0.3 dB max. 1.0 - 1.25 fc
± 0.3 dB max.
(theoretical)
± 0.15 dB typ.
1.25 fc-100 kHz ± 0.2 dB max. 1.25 fc-100 kHz ± 0.2 dB max. 1.25 fc-100 kHz ± 0.2 dB max.
± 0.1 dB max.
± 0.1 dB typ.
Total Harmonic
< - 100 dB typ.
< - 88 dB typ.
Distortion @ 1kHz
Wide Band Noise
400
mVrms typ.
400
mVrms typ.
400
mVrms typ.
(5 Hz - 2 MHz)
Narrow Band Noise
100
mVrms typ.
100
mVrms typ.
100
mVrms typ.
(5 Hz - 100 kHz)
Filter Mounting
Assembly
FMA-02A
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