KR 2405 HDTV ANTI-ALIASING FILTER KR Electronics, Inc. Inc. www.krfilters.com General Description KR 2405 is a HDTV anti-aliasing filter. The filter has a 15 MHz passband and group delay equalization. Other passband frequencies are available. Please consult the factory. Features • Anti-Aliasing filter • Elliptic response • Group delay equalization • 75 Ω Typical Performance Passband Amplitude & Group Delay Overall Response (0.2 dB/div & 4 nsec/div) (10 dB/div) 19 Sep 2001 10:39:34 CH1 CH2 S31 S31 LOG DEL .2 dB/ 4 ns/ 19 Sep 2001 10:40:02 REF -.8 dB REF 196 ns CH1 PRm S31 LOG 10 dB/ REF 0 dB PRm Cor Cor Avg 16 PRm Smo Cor START . 100 000 MHz STOP Figure 1 KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2001, KR Electronics, Inc. 15 . 000 000 MHz START . 100 000 MHz STOP 50 . 000 000 MHz Figure 2 Web Email Phone Fax www.krfilters.com [email protected] (732) 636-1900 (732) 636-1982 Page 1 KR Electronics, Inc. Inc. www.krfilters.com KR 2405 HDTV Filter Specifications Parameter Specification Filter type Lowpass Insertion Loss < 1.5 dB Passband Ripple to 10 MHz < ± 0.1 dB Passband Ripple to 15 MHz < ± 0.2 dB Group Delay Ripple to 10 MHz < ± 4 nsec Group Delay Ripple to 15 MHz < ± 6 nsec Start of Stopband Stopband Attenuation Source & Load 18.5625 MHz > 40 dB 75 Ω Physical Dimensions KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2001, KR Electronics, Inc. Web Email Phone Fax www.krfilters.com [email protected] (732) 636-1900 (732) 636-1982 Page 2