KR Electronics, Inc. KR 2574 Bandpass Filter www.krfilters.com General Description KR 2574 is a 20 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) 15 Nov 2004 13:43:25 CH1 CH2 S 21 S 21 log MAG delay 1 dB/ 50 ns/ 15 Nov 2004 13:40:37 REF -.4 dB REF 50 ns CH1 PRm Cor S 21 log MAG 10 dB/ REF 0 dB PRm 1 Smo PRm 2 Cor CENTER 20.000 000 MHz KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2004, KR Electronics, Inc. SPAN 6.000 000 MHz START .100 000 MHz STOP 100.000 000 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 2574 Bandpass Specifications Parameter Specification Filter type Bandpass Center Frequency 20 MHz Insertion Loss < 2 dB (< 1 dB typical) Minimum 3 dB Passband 17.5 MHz to 22.5 MHz Attenuation 12.5 MHz > 40 dB Attenuation 32.5 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 © 2004, KR Electronics, Inc. Web Email Phone www.krfilters.com [email protected] (732) 636-1900 (732) 636-1982 Page 2