KR Electronics, Inc. KR 2471 70 MHz Bandpass Filter www.krfilters.com General Description KR 2471 is a 70 MHz bandpass filter. The filter has a 3 dB bandwidth of 25 MHz and is designed for 50 Ω source and load impedance. Other center frequencies and bandwidths are available. Please consult the factory. Features • 70 MHz Bandpass • 50 Ω • SMA Connectors Typical Performance Passband Amplitude & Group Delay Overall Response (1 dB/div & 20 nsec/div) (5 dB/div) 6 May 2003 15:46:20 CH1 CH2 S21 S21 LOG DEL 1 dB/ 20 ns/ REF 0 dB REF 0 s 6 May 2003 15:43:14 CH1 S21 LOG 5 dB/ REF 0 dB Cor Cor Cor CH1 CH2 CENTER CENTER 70 . 000 70 . 000 000 000 MHz MHz SPAN SPAN Figure 1 KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2003, KR Electronics, Inc. 25 . 000 25 . 000 000 000 MHz MHz CENTER 70 . 000 000 MHz SPAN 68 . 000 000 MHz Figure 2 Web Email Phone Fax www.krfilters.com [email protected] (732) 636-1900 (732) 636-1982 Page 1 KR Electronics, Inc. www.krfilters.com KR 2471 Specifications Parameter Specification Filter type Bandpass Center Frequency 70 MHz Insertion Loss < 2 dB 3 dB Bandwidth 25 MHz Attenuation at 52 MHz > 30 dB Attenuation at 88 MHz > 30 dB Min Return Loss 60 MHz to 80 MHz 15 dB Source & Load 50 Ω Physical Dimensions KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2003, KR Electronics, Inc. Web Email Phone Fax www.krfilters.com [email protected] (732) 636-1900 (732) 636-1982 Page 2