KR Electronics, Inc. KR 2644 Bandpass Filter www.krfilters.com General Description KR 2644 is a 406 MHz surface mount bandpass filter. Other center frequencies and bandwidths available. Please consult the factory. Features • Surface Mount Package • Sharp Transition to Stopband • >60 dB Stopband • 50 Ω Source and Load Typical Performance Passband Amplitude & Group Delay Overall Response (1 dB/div & 5 nsec/div) (10 dB/div) 9 Jan 2006 16:51:08 CH1 CH2 S 21 S 21 log MAG delay 1 dB/ 5 ns/ 9 Jan 2006 16:52:30 REF 0 dB REF 40 ns CH1 PRm S 21 log MAG 10 dB/ REF 0 dB PRm Cor Cor 1 PRm 2 Cor CENTER 406.000 000 MHz KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2005, KR Electronics, Inc. SPAN 25.000 000 MHz CENTER 406.000 000 MHz SPAN 800.000 000 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 2644 Bandpass Specifications Parameter Specification Filter type Bandpass Center Frequency 406 MHz Insertion Loss < 4 dB (3.5 typical) 3 dB Bandwidth 23 MHz min (25.8 typical) 60 dB Bandwidth 98.5 MHz typical 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. Maximum reflow temperature is 209° C for 15 sec maximum. 4. If boards are cleaned after installation, units must be completely dried to remove any entrapped moisture that will effect electrical KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2005, KR Electronics, Inc. Web Email Phone Fax www.krfilters.com [email protected] (732) 636-1900 (732) 636-1982 Page 2