KR Electronics, Inc. KR 2438 VIDEO FILTER www.krfilters.com General Description Features • Anti-Aliasing filter • Elliptic response • Group delay equalization • Surface mount • 75 Ω KR 2438 is a video lowpass filter. The filter has a 5.5 MHz passband and group delay equalization. The filter is suitable for surface mount. Other passband frequencies are available. Please consult the factory. Typical Performance Passband Amplitude & Group Delay Overall Response (0.1 dB/div & 10 nsec/div) (10 dB/div) 16 Jul 2002 16:02:29 CH1 CH2 S21 S21 LOG DEL .1 dB/ 10 ns/ REF -.5 dB REF 360 ns 16 Jul 2002 16:03:17 CH1 S21 LOG 10 dB/ REF 0 dB Cor Cor Smo Cor START START . 100 000 MHz STOP Figure 1 KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2002, KR Electronics, Inc. 6 . 000 000 . 100 000 MHz STOP 20 . 000 000 MHz MHz Figure 2 Web Email Phone Fax www.krfilters.com [email protected] (732) 636-1900 (732) 636-1982 Page 1 KR Electronics, Inc. www.krfilters.com KR 2438 Video Filter Specifications Parameter Specification Filter type Lowpass Insertion Loss Passband Ripple to 5.5 MHz < 1dB (0.7 dB Typ) < 0.3 dB Group Delay Ripple to 5.04 MHz < 14 nsec Approximate Absolute Group Delay 360 nsec Attenuation at 6.81 MHz > 20 dB Attenuation at 7.23 MHz and above > 40 dB Source & Load 75 Ω Physical Dimensions Notes: Pin Size .020 x .010 in Pin 1 is Input Pin 14 is Output All other pins are ground KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2002, KR Electronics, Inc. Web Email Phone Fax www.krfilters.com [email protected] (732) 636-1900 (732) 636-1982 Page 2