KR Electronics, Inc. KR 2391A-8-50 Lowpass Filter www.krfilters.com General Description Features • Flat passband response • Group delay equalized KR 2391A-8-50 is a group delay equalized lowpass filters. The filter’s flat passband response and group delay equalization make it a good choice for video applications. Typical Performance Passband Response fc=8 MHz Overall Response fc=8 MHz (0.1 dB/div & 10 nsec/div) 100 KHz to 8 MHz (10 dB/div) 100 KHz to 25 MHz 25 Mar 2002 10:12:55 25 Mar 2002 10:12:20 CH1 CH2 S 21 S 21 log MAG delay .1 dB/ 10 ns/ CH1 REF -.7 dB REF 365 ns log MAG 10 dB/ REF 0 dB PRm PRm Cor S 21 Cor 1 Smo Smo PRm 2 Cor Smo START .100 000 MHz STOP Figure 1 KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2002, KR Electronics, Inc. 8.000 000 MHz START .100 000 MHz STOP 25.000 000 MHz Figure 2 Web Email Phone Fax www.krfilters.com [email protected] (732) 636-1900 (732) 636-1982 Page 1 KR Electronics, Inc. www.krfilters.com KR Series 2391A2391A-8-50 Specifications Parameter Specification Filter type Lowpass Insertion Loss < 1 dB End of Passband (fc) 8 MHz Passband Ripple < 0.25 dB Attenuation at 1.1 x fc < 3 dB Attenuation at 1.38 x fc > 45 dB Group Delay Ripple to fc Source and Load < 10 nsec 50Ω Physical Dimensions Also available in a 4 x 2 x 0.5 inch metal can with PCB terminals Other configurations available on request All dimensions in inches 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