KR Electronics, Inc. KR 2572 Bandpass Filter www.krfilters.com General Description Features • Surface Mount Package • Group Delay Equalized • Sharp Transition to Stopband • >40 dB Stopband • 50 Ω Source and Load KR 2572 is a 39.6 MHz group delay equalized surface mount bandpass filter. Other center frequencies and bandwidths available. Please consult the factory. Typical Performance Passband Amplitude & Group Delay Overall Response (0.5 dB/div & 10 nsec/div) (10 dB/div) 9 Nov 2004 11:34:31 CH1 CH2 S21 S21 LOG DEL .5 dB/ 10 ns/ 9 Nov 2004 11:40:01 REF 0 dB REF 70 ns CH1 S21 LOG 10 dB/ REF 0 dB Cor Cor Cor START 28 . 200 000 MHz KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2004, KR Electronics, Inc. STOP 51 . 000 000 MHz START . 100 000 MHz STOP Web Email Phone Fax 100 . 000 000 MHz www.krfilters.com [email protected] (732) 636-1900 (732) 636-1982 Page 1 KR Electronics, Inc. www.krfilters.com KR 2572 Bandpass Specifications Parameter Specification Filter type Bandpass Center Frequency 39.6 MHz Insertion Loss < 3.5 dB Attenuation 28.2 MHz to 51 MHz < 1 dB Attenuation 19 MHz > 40 dB Attenuation 60.2 MHz > 50 dB Group Delay Ripple 28.2 MHz to 51 MHz < 30 nsec 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 Fax www.krfilters.com [email protected] (732) 636-1900 (732) 636-1982 Page 2