2494-1

KR Electronics, Inc. KR Electronics General Description 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. www.krfilters.com Features • 70 MHz Bandpass • Linear Phase/Constant Group Delay • Surface Mount • 50 Ω Source and Load Typical Performance Passband Amplitude & Group Delay (1 dB/div & 5 nsec/div) 6 Nov 2006 14:13:11 CH1 CH2 S31 S31 LOG DEL 1 dB/ 5 ns/ REF 0 dB REF 100 ns Overall Response (10 dB/div) 6 Nov 2006 14:18:42 CH1 S31 LOG 10 dB/ REF 0 dB Cor Cor Smo Cor START 65 . 000 000 MHz STOP 75 . 000 000 MHz CENTER 70 . 000 000 MHz SPAN 100 . 000 000 MHz KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2006, KR Electronics, Inc. Web Email Phone Fax www.krfilters.com sales@krfilters.com (732) 636-1900 (732) 636-1982 Page 1 KR Electronics, Inc. KR Electronics 2494-1 Bandpass Specifications Parameter Filter type Center Frequency Insertion Loss 3 dB Bandwidth Attenuation at 50 MHz Attenuation at 90 MHz Source and Load Specification Bandpass 70 MHz < 5 dB 9.2 MHz ± 10% > 60 dB > 50 dB 50 Ω 3 dB Typical www.krfilters.com 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 Web Email Phone Fax www.krfilters.com sales@krfilters.com (732) 636-1900 (732) 636-1982 Page 2 KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2006, KR Electronics, Inc.