KR Electronics, Inc. KR Electronics www.krfilters.com General Description KR 2841 is a 286 MHz surface mount bandpass filter. The filter has a minimum 3 dB bandwidth of 56 MHz. Other passband frequencies are available. Please consult the factory. Features • 286 MHz Center Frequency • Surface Mount Package • 50 Ω Source and Load Typical Performance Passband Amplitude & Group Delay Overall Response (1 dB/div and 10 nsec/div) (5 dB/div) 11 Jun 2008 14:49:47 CH1 CH2 S31 S31 LOG DEL 1 dB/ 10 ns/ 11 Jun 2008 14:50:32 REF 0 dB REF 0 s CH1 Cor S31 LOG 5 dB/ REF 0 dB Cor Smo Cor CENTER 286 . 000 000 MHz KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2008, KR Electronics, Inc. SPAN 56 . 000 000 MHz START 150 . 000 000 MHz STOP Web Email Phone Fax 410 . 000 000 MHz www.krfilters.com [email protected] (732) 636-1900 (732) 636-1982 Page 1 KR Electronics, Inc. www.krfilters.com KR Electronics 2841 Specifications Parameter Specification Filter type Bandpass Center Frequency 286 MHz Insertion Loss < 3 dB 3 dB Bandwidth 56 MHz min Attenuation at 250 MHz 15 dB min Attenuation at 156 MHz 40 dB min Typical 46 dB Attenuation at 390 MHz 45 dB min Typical 54 dB 50 Ω Source and Load Physical Dimensions Notes: 1. Surface mount package — Metal cover, open frame 2. Dimensions in inches 3. Maximum reflow temperature 209° C for 10 seconds maximum 4. If boards are cleaned after installation, units must be completely dried KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2008, KR Electronics, Inc. Web Email Phone Fax www.krfilters.com [email protected] (732) 636-1900 (732) 636-1982 Page 2