KR Electronics, Inc. KR Electronics www.krfilters.com General Description KR 2801 is a 42 MHz surface mount bandpass filter. The filter has a minimum 3 dB bandwidth of 4 MHz. Other passband frequencies are available. Please consult the factory. Features • 42 MHz Center Frequency • 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) 24 Oct 2007 16:24:35 CH1 CH2 S 21 S 21 log MAG delay 1 dB/ 50 ns/ 24 Oct 2007 16:10:46 REF 0 dB REF 130 ns CH1 PRm S 21 log MAG 10 dB/ REF 0 dB PRm Cor Cor 1 2 PRm Cor Smo CENTER 42.000 000 MHz KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2007, KR Electronics, Inc. SPAN 4.000 000 MHz CH1 CENTER 42.000 000 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 2801 Specifications Parameter Specification Filter type Bandpass Center Frequency Insertion Loss 42 MHz < 5 dB (< 3 dB typical) 3 dB Bandwidth 4 MHz min Attenuation at 37 MHz > 55 dB Attenuation at 47 MHz > 55 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 © 2007, KR Electronics, Inc. Web Email Phone Fax www.krfilters.com [email protected] (732) 636-1900 (732) 636-1982 Page 2