FF0400L

The FF0400L is designed as one member of the FF....L series which are low pass video filters. These low pass video filters are intended for bandwidth limitation over the video range of frequencies. The filters are 7-pole elliptical function networks which have been equalised to correct for group delay distortion over 95% of the passband and for loss distortion over the entire passband. Degradation of a composite video signal is minimal when a 4.5 MHz or 5.5MHz filter is selected for a 525 or 625 line T.V. system. Typical uses are to suppress sound or telephone channels placed above and close to the video band. The standard filters are specified. We would be pleased to examine special requirements.

Some important electrical characteristics of FF0400L are concluded into several points as follow. (1)Its end of passband would be 4.00MHz. (2)Its start of stopband would be 5.38MHz. (3)Its delay time would be 637ns. And so on.

And also some other important data of FF0400L are concluded into sveral points as follow. (1)Impedance would be 75ohms. (2)Its insertion loss would have the maximum value of 1.5dB. (3)Its stopband attenuation wrt 100kHz would have the minimum value of 45dB. (4)Its amplitude ripple in passband would have the maximum value of 0.2dB. It should be noted that video performance for filters of 5.0MHz (4.5MHz for 525 line) and above. (5)Its pulse and bar: K-rating would have the maximum value of 0.5%. (6)Its luminance or chrominance gain inequality (20T) would have the maximum value of 1.5%. (7)Its luminance or chrominance delay inequality would have the maximum value of 5ns. (8)Its aqueous washable would be no. (9)Its package would be DR00020B. And so on. At present we have not got so much information about this IC and we would try hard to get more information about it. If you have any question or suggestion please visit our website and contact us for details. Thank you!