KR Electronics, Inc. KR Electronics www.krfilters.com General Description Features • 70 MHz Bandpass • 8 MHz min 1 dB Bandwidth • Surface Mount • 50 Ω Source and Load KR 2389-1 is a 70 MHz bandpass filter. The filter has a minimum 1 dB bandwidth of 8 MHz and stopband attenuation of over 55 dB. Other frequencies are available. Please consult the factory. Typical Performance Passband Amplitude & Group Delay Overall Response (1 dB/div & 10 nsec/div) (10 dB/div) 6 Nov 2006 13:57:05 CH1 CH2 S21 S21 LOG DEL 1 dB/ 20 ns/ 6 Nov 2006 13:50:32 REF 0 dB REF 80 ns CH2 S21 LOG 10 dB/ REF -1 dB PRm Cor PRm PRm Cor Cor CENTER 70 . 000 000 MHz KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2006, KR Electronics, Inc. SPAN 13 . 000 000 MHz START 20 . 000 000 MHz STOP Web Email Phone Fax 120 . 000 000 MHz www.krfilters.com [email protected] (732) 636-1900 (732) 636-1982 Page 1 KR Electronics, Inc. www.krfilters.com KR Electronics 2389-1 Bandpass Specifications Parameter Specification Filter type Bandpass Typical Center Frequency 70 MHz Insertion Loss < 4 dB 2 dB 8 MHz min 10.2 MHz 1 dB Bandwidth Attenuation at 57 MHz > 55 dB Attenuation at 83 MHz > 55 dB 50 Ω Source and Load Physical Dimensions Notes: 1. Surface mount package — Metal cover 2. Also available in a 1.5 inch long surface mount package 3. Dimensions in inches 4. Maximum reflow temperature 209° C for 10 sec max 5. 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