KR Electronics, Inc. KR Electronics www.krfilters.com General Description Features • Surface Mount Package • Sharp Transition to Stopband • >40 dB Stopband • 50 Ω Source and Load KR 2804 is a 53 MHz surface mount bandpass filter. The filter has a passband from 24 MHz to 82 MHz. Other center frequencies and bandwidths available. Please consult the factory. Typical Performance Passband Amplitude & Group Delay Overall Response (1 dB/div & 10 nsec/div) (10 dB/div) 20 Nov 2007 18:23:47 CH1 CH2 S 21 S 21 delay log MAG 10 ns/ 1 dB/ 20 Nov 2007 18:25:20 REF 0 s REF 0 dB CH1 PRm S 21 log MAG CH1 START .100 000 MHz 10 dB/ REF 0 dB PRm Cor 2 1 PRm Cor START 24.000 000 MHz KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2007, KR Electronics, Inc. STOP 82.000 000 MHz STOP 500.000 000 MHz Web Email Phone Fax www.krfilters.com [email protected] (732) 636-1900 (732) 636-1982 Page 1 KR Electronics, Inc. www.krfilters.com KR 2804 Bandpass Specifications Parameter Specification Filter type Bandpass Center Frequency 53 MHz Insertion Loss < 1 dB Minimum 2 dB Passband 24 MHz to 82 MHz Attenuation 10 MHz > 40 dB Attenuation 103 MHz > 40 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 © 2007, KR Electronics, Inc. Web Email Phone Fax www.krfilters.com [email protected] (732) 636-1900 (732) 636-1982 Page 2