KR Electronics, Inc. KR Electronics www.krfilters.com General Description Features 500 MHz Center Frequency 3 dB Bandwith 27.5 MHz Surface Mount 50 Source and Load KR 2891 is a 500 MHz bandpass filter. The filter has a 3 dB bandwidth of 27.5 MHz ±6 MHz. Other passband frequencies are available. Please consult the factory. Typical Performance Passband Amplitude & Group Delay Overall Response (1 dB/div and 10 nsec/div) (10 dB/div) 20 Feb 2009 19:37:01 CH2 CH4 S31 S31 LOG DEL 1 dB/ 10 ns/ 20 Feb 2009 19:41:16 REF 0 dB REF 0 s CH1 S31 LOG 10 dB/ REF 0 dB 4 Cor Smo Cor 2 CENTER 500 . 000 000 MHz KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2009, KR Electronics, Inc. SPAN 35 . 000 000 MHz START 100 . 000 000 MHz STOP Web Email Phone Fax 1 000 . 000 000 www.krfilters.com [email protected] (732) 636-1900 (732) 636-1982 Page 1 MHz KR Electronics, Inc. www.krfilters.com KR Electronics 2891 Specifications Parameter Specification Filter type Bandpass Center Frequency 500 MHz Insertion Loss < 6 dB (3 dB typical) 3 dB Bandwidth 27.5 MHz ±6 MHz 40 dB Bandwidth 90 MHz typical 50 dB Bandwidth 112 MHz typical Source and Load 50 Physical Dimensions Notes: 1. Surface mount package 2. Dimensions in inches 3. Max reflow temperature 209° C for 10 sec 4. If boards are cleaned after installation units must be completely dried KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2009, KR Electronics, Inc. Web Email Phone Fax www.krfilters.com [email protected] (732) 636-1900 (732) 636-1982 Page 2