KR Electronics, Inc. KR 2591 Bandpass Filter www.krfilters.com General Description KR 2591 is a 18 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 • >40 dB Stopband • 50 Ω Source and Load Typical Performance Passband Amplitude & Group Delay Overall Response (1 dB/div & 50 nsec/div) (10 dB/div) 14 Feb 2005 09:08:08 CH1 CH2 S 21 S 21 log MAG delay 1 dB/ 100 ns/ 14 Feb 2005 08:56:53 REF -2 dB REF 400 ns CH1 PRm S 21 log MAG 10 dB/ REF 0 dB PRm 1 PRm 2 CENTER 18.000 000 MHz KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2005, KR Electronics, Inc. SPAN 2.000 000 MHz CENTER 18.000 000 MHz SPAN 20.000 000 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 2591 Bandpass Specifications Parameter Specification Filter type Bandpass Center Frequency 18 MHz Insertion Loss < 6 dB (< 3 dB typical) Minimum 3 dB Bandwidth 2 MHz Attenuation 16 MHz > 40 dB Attenuation 20 MHz > 40 dB 50 Ω Source and Load 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 © 2005, KR Electronics, Inc. Web Email Phone www.krfilters.com [email protected] (732) 636-1900 (732) 636-1982 Page 2