KR Electronics 2545 Bandpass Filter KR Electronics, Inc. www.krfilters.com General Description KR 2545 is a 67.5 MHz surface mount bandpass filter. Other center frequencies and bandwidths available. Please consult the factory. Features • Surface Mount Package • Sharp Transition to Stopband • 20 MHz 1 dB Bandwidth • 50 Ω Source and Load Typical Performance Passband Amplitude & Group Delay Overall Response (0.5 dB/div and 5 nsec/div) (10 dB/div) 29 Jun 2004 15:34:01 CH1 CH2 S 21 S 21 log MAG delay .5 dB/ 10 ns/ REF -1 dB REF 35 ns 29 Jun 2004 15:35:41 CH1 S 21 log MAG 10 dB/ REF 0 dB PRm PRm Cor Cor 1 PRm Cor 2 Smo CENTER 67.500 000 MHz KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2004, KR Electronics, Inc. SPAN 20.000 000 MHz CENTER 67.500 000 MHz SPAN 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 Electronics 2545 Bandpass Specifications Parameter Specification Filter type Bandpass Center Frequency 67.5 MHz Insertion Loss < 3 dB (1.5 dB typical) Min 1 dB Bandwidth 20 MHz Attenuation at 45 MHz & below > 50 dB Attenuation 90 MHz & above > 50 dB 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 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