KR Electronics, Inc. KR Electronics www.krfilters.com General Description KR 2757 is a 70 MHz bandpass filter. The filter has a minimum 1 dB bandwidth of 40 MHz. Other passband frequencies are available. Please consult the factory. Features • Sharp Transition to Stopband • >50 dB Stopband • 50 Ω Source and Load Typical Performance Passband Amplitude & Group Delay Overall Response (1 dB/div and 10 nsec/div) (10 dB/div) 22 Jan 2007 12:10:47 CH1 CH2 S21 S21 LOG DEL 1 dB/ 10 ns/ REF 0 dB REF 10 ns 22 Jan 2007 12:07:16 CH2 S21 LOG 10 dB/ REF 0 dB Cor PRm Cor Cor START CENTER 70 . 000 000 MHz KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2007, KR Electronics, Inc. SPAN 40 . 000 000 . 100 000 MHz STOP 250 . 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 2757 Specifications Parameter Specification Filter type Bandpass Center Frequency 70 MHz Insertion Loss < 1.5 dB (1 dB typical) 1 dB Bandwidth 40 MHz min Attenuation at 30 MHz > 50 dB Attenuation at 110 MHz > 50 dB 50 Ω Source and Load Physical Dimensions Notes: 1. Dimensions in inches 2. Also available in a surface mount package 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