KR Electronics, Inc. KR Electronics www.krfilters.com General Description Features • 70 MHz Bandpass • Linear Phase/Constant Group Delay • Surface Mount • 50 Ω Source and Load KR 2494-1 is a 70 MHz linear phase bandpass filter. The filter has a 1 dB bandwidth of 9.2 MHz. The filter exhibits linear phase/constant group delay over the 3 dB bandwidth. Other frequencies are available. Please consult the factory. Typical Performance Passband Amplitude & Group Delay Overall Response (1 dB/div & 5 nsec/div) (10 dB/div) 6 Nov 2006 14:18:42 6 Nov 2006 14:13:11 CH1 CH2 S31 S31 LOG DEL 1 dB/ 5 ns/ CH1 REF 0 dB REF 100 ns Cor S31 LOG 10 dB/ REF 0 dB Cor Smo Cor START 65 . 000 000 MHz KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2006, KR Electronics, Inc. STOP 75 . 000 000 MHz CENTER 70 . 000 000 MHz SPAN 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 Electronics 2494-1 Bandpass Specifications Parameter Specification Filter type Bandpass Center Frequency 70 MHz Insertion Loss < 5 dB 3 dB Bandwidth Typical 3 dB 9.2 MHz ± 10% Attenuation at 50 MHz > 60 dB Attenuation at 90 MHz > 50 dB 50 Ω Source and Load Physical Dimensions Notes: 1. Surface mount package — Metal cover 2. Dimensions in inches 3. Maximum reflow temperature 209° C for 10 sec max 4. If boards are cleaned after installation, units must be completely dried KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2006, KR Electronics, Inc. Web Email Phone Fax www.krfilters.com [email protected] (732) 636-1900 (732) 636-1982 Page 2