KR Electronics, Inc. KR Electronics, Inc. www.krfilters.com General Description KR 2850 is a 50 MHz surface mount bandpass filter. Other frequencies and bandwidths available. Please consult the factory. Features • 50 MHz Bandpass Filter • Elliptic Response • Surface Mount Package • 50 Ω Source and Load Typical Performance Passband Amplitude & Group Delay Overall Response (1 dB/div & 5 nsec/div) (10 dB/div) 17 Jul 2008 13:58:39 CH2 CH4 S31 S31 LOG DEL 1 dB/ 5 ns/ 17 Jul 2008 14:02:43 REF 0 dB REF 50 ns CH1 S31 LOG 10 dB/ REF 0 dB 2 Cor Smo Cor 4 CENTER 50 . 000 000 MHz KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2008, KR Electronics, Inc. SPAN 10 . 000 000 MHz START 1 . 000 000 MHz STOP Web Email Phone Fax 1 000 . 000 000 MHz www.krfilters.com [email protected] (732) 636-1900 (732) 636-1982 Page 1 KR Electronics, Inc. www.krfilters.com KR 2850 Bandpass Specifications Parameter Specification Filter type Bandpass Center Frequency 1 dB Bandwidth 50 MHz 5 MHz min (18 MHz typical) Attenuation at 30 MHz 50 dB min Attenuation at 70 MHz 50 dB min Source and Load 50 Ω Physical Dimensions Notes: 1. Surface mount package — Metal cover, open frame 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 © 2008, KR Electronics, Inc. Web Email Phone Fax www.krfilters.com [email protected] (732) 636-1900 (732) 636-1982 Page 2