KR Electronics 2551 Bandpass Filter KR Electronics, Inc. www.krfilters.com General Description KR 2551 is a 35 MHz surface mount bandpass filter. Other cen- Features ter frequencies and bandwidths available. Please consult the fac- • Surface Mount Package tory. • Sharp Transition to Stopband • 22 MHz min 1 dB Bandwidth • 50 Ω Source and Load Typical Performance Passband Amplitude & Group Delay Overall Response (1 dB/div and 20 nsec/div) (5 dB/div) 11 Aug 2004 13:58:36 CH1 CH2 S21 S21 LOG DEL 1 dB/ 20 ns/ 11 Aug 2004 14:03:35 REF 0 dB REF 0 s CH1 Cor S21 LOG 5 dB/ REF 0 dB Cor Cor CENTER 35 . 000 000 MHz KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2004, KR Electronics, Inc. SPAN 28 . 000 000 MHz START 1 . 000 000 MHz STOP Web Email Phone Fax 500 . 000 000 MHz www.krfilters.com [email protected] (732) 636-1900 (732) 636-1982 Page 1 KR Electronics, Inc. www.krfilters.com KR Electronics 2551 Bandpass Specifications Parameter Specification Filter type Bandpass Center Frequency 35 MHz Insertion Loss < 6 dB (< 1 dB typical) Min 1 dB Bandwidth 22 MHz Attenuation at 13.975 MHz & below > 40 dB Attenuation 76.475 MHz > 40 dB Source and Load 50 Ω Physical Dimensions Notes: 1. Surface mount package — Metal cover, open frame 2. Dimensions in inches 3. Use SN60 or SN63 solder during installation 4. If boards are cleaned after installation, units must be completely dried to remove any entrapped moisture that will effect electrical performance KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2004, KR Electronics, Inc. Web Email Phone Fax www.krfilters.com [email protected] (732) 636-1900 (732) 636-1982 Page 2