KR Electronics, Inc. KR 2491 Notch Filter www.krfilters.com General Description Features • 3.75 MHz center frequency • 50 Ω KR 2491 is a 3.75 MHz notch filter. Other frequencies can be specified. Typical Measured Performance Overall Response (10 dB/div) 21 Aug 2003 14:29:29 CH1 S 21 log MAG 10 dB/ REF 0 dB PRm CENTER KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2003, KR Electronics, Inc. 3.750 000 MHz SPAN 7.000 000 MHz Web Email Phone Fax www.krfilters.com [email protected] (732) 636-1900 (732) 636-1982 Page 1 KR Electronics, Inc. www.krfilters.com KR 2491 Notch Filter Specifications Parameter Specification Filter type Notch Insertion Loss < 0.5 dB Notch Frequency 3.75 MHz Notch Depth 3 dB Bandwidth Source and Load Consult Factory for other > 50 dB Approx 1.25 MHz 50 Ω Consult Factory for other Physical Dimensions KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2003, KR Electronics, Inc. Web Email Phone Fax www.krfilters.com [email protected] (732) 636-1900 (732) 636-1982 Page 2