QFQ SERIES
ANTIALIASING FILTERS
These Antialiasing pre and post filters are designed for systems using sampling rates of four times the 4.43 MHz sub carrier.
Sinx correction for a sampling frequency of 17.72 MHz is applied to the post filter passband.
Type Number
Filter Shape
Passband Shape
Sampling Frequency
Insertion Loss at 100 kHz
End Of Passband
Passband Amplitude Ripple
Start Of Stopband
Stopband Attenuation
Group Delay Ripple
Group Delay Bandwidth
Delay Time at 200 kHz
Impedance
Temperature Range
Aqueous washable
Package Type
QFQ1772F
Lowpass
Flat
n/a
< 1.0 dB
6.19 MHz
< + 0.1 dB
8.79 MHz
> 40 dB
< 15 ns
5.75 MHz
245 ns nom
75 ohms
0°C to 70°C
No
DR00009B
QFQ1772S
Lowpass
Sinx/x
17.72 MHz
< 3.0 dB
6.19 MHz
< + 0.1 dB
8.79 MHz
> 40 dB
< 15 ns
5.75 MHz
245 ns nom
75 ohms
0°C to 70°C
No
DR00009B
© Faraday Technology. As part of continual product improvement the specifications, details and dimensions shown in this publication are subject to change without notice
FARA159d
Page 1 of 2
Dec-99(A)
FARADAY [ FARADAY TECHNOLOGY ]
