2837

KR Electronics, Inc. KR Electronics General Description KR 2837 is a 280 MHz surface mount bandpass filter. The filter has a minimum 3 dB bandwidth of 44 MHz. Other passband frequencies are available. Please consult the factory. www.krfilters.com Features • 280 MHz Center Frequency • Surface Mount Package • 50 Ω Source and Load Typical Performance Passband Amplitude & Group Delay (1 dB/div and 10 nsec/div) 29 May 2008 10:37:52 CH1 CH2 S31 S31 LOG DEL 1 dB/ 10 ns/ REF 0 dB REF 0 s Overall Response (5 dB/div) 29 May 2008 10:39:55 CH1 S31 LOG 5 dB/ REF 0 dB Cor Cor Cor CENTER 280 . 000 000 MHz SPAN 44 . 000 000 MHz CENTER 280 . 000 000 MHz SPAN 260 . 000 000 MHz KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2008, KR Electronics, Inc. Web Email Phone Fax www.krfilters.com sales@krfilters.com (732) 636-1900 (732) 636-1982 Page 1 KR Electronics, Inc. KR Electronics 2837 Specifications Parameter Filter type Center Frequency Insertion Loss 3 dB Bandwidth Attenuation at 250 MHz Attenuation at 150 MHz Attenuation at 390 MHz Source and Load Specification Bandpass 280 MHz < 3 dB 44 MHz min 15 dB min 45 dB min 45 dB min 50 Ω www.krfilters.com Typical 55 MHz Typical 54 dB Typical 53 dB 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 sales@krfilters.com (732) 636-1900 (732) 636-1982 Page 2