KR Electronics, Inc. KR Electronics www.krfilters.com General Description Features • 75 MHz Passband • 87 MHz Stopband • 45 dB Stopband Attenuation • Surface mount • 50 Ω Source and Load KR 2289-75-S is a 75 MHz surface mount elliptic lowpass filter. The filter has a minimum 4 dB bandwidth of 75 MHz. Other passband frequencies are available. Please consult the factory. Typical Performance Passband Amplitude & Group Delay Overall Response (1 dB/div and 10 nsec/div) (10 dB/div) 10 Oct 2008 09:04:24 CH2 CH4 S31 S31 LOG DEL 1 dB/ 10 ns/ 10 Oct 2008 09:04:35 REF 0 dB REF 0 s CH1 S31 LOG 10 dB/ REF 0 dB Cor 2 4 Cor Cor START START . 100 000 MHz KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2008, KR Electronics, Inc. STOP 75 . 000 000 . 030 000 MHz STOP 200 . 000 000 MHz 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 2289-75-S Specifications Parameter Specification Filter type Lowpass End of Passand 75 MHz Attenuation at 75 MHz < 4 dB ( 2 dB typical) Attenuation at 87 MHz > 45 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