KR Electronics, Inc. KR Electronics www.krfilters.com General Description KR 2820-26 is a 26 MHz surface mount bandpass filter. The filter has a 3 dB bandwidth of 8.5 MHz. Other passband frequencies are available. Please consult the factory. Features • 26 MHz Center Frequency • 8.5 MHz Bandwidth • 60 dB Stopband Attenuation • Surface Mount Package • 50 Ω Source and Load Typical Performance Passband Amplitude & Group Delay Overall Response (1 dB/div and 50 nsec/div) (10 dB/div) 23 Feb 2008 19:29:38 CH1 CH2 S 21 S 21 log MAG delay 1 dB/ 50 ns/ 23 Feb 2008 19:30:09 REF 0 dB REF 80 ns CH1 PRm S 21 log MAG 10 dB/ REF 0 dB PRm Cor Cor 1 PRm Cor 2 Smo CENTER 26.000 000 MHz KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2008, KR Electronics, Inc. SPAN 8.500 000 MHz CH1 CENTER 26.000 000 MHz SPAN 50.000 000 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 2820-26 Specifications Parameter Specification Filter type Bandpass Center Frequency Insertion Loss 26 MHz < 2.5 dB (1 dB typical) Attenuation at 21.75 MHz 3 dB ± 1 dB Attenuation at 30.25 MHz 3 dB ± 1 dB Attenuation at 13.25 MHz > 60 dB Attenuation at 38.75 MHz > 60 dB 50 Ω Source and Load Physical Dimensions Notes: 1. Surface mount package — Metal cover, open frame 2. Dimensions in inches 3. Maximum reflow temperature 209° C for 10 seconds maximum 4. If boards are cleaned after installation, units must be completely dried KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2008, KR Electronics, Inc. Web Email Phone Fax www.krfilters.com [email protected] (732) 636-1900 (732) 636-1982 Page 2