2539

KR 2539 Lowpass Filter General Description KR 2539 is a 65 MHz elliptic type lowpass filter. The filter has a 65 MHz min 4 dB bandwidth and is designed for 50 Ω source and load impedance. Other passband frequencies, bandwidths and impedances are available. Please consult the factory. KR Electronics, Inc. www.krfilters.com Features Features • 65 MHz Elliptic type lowpass • Sharp 1.155:1 transition • 50 Ω • DIP Package Typical Performance Passband Amplitude & Group Delay (1 dB/div & 20 nsec/div) 26 Apr 2004 15:21:44 CH1 CH2 S31 S31 LOG DEL 1 dB/ 20 ns/ REF 0 dB REF 0 s Overall Response (10 dB/div) 26 Apr 2004 15:16:59 CH1 S31 LOG 10 dB/ REF 0 dB Cor Cor Cor START . 100 000 MHz STOP 65 . 000 000 MHz START . 100 000 MHz STOP 200 . 000 000 MHz KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2004, KR Electronics, Inc. Web Email Phone Fax www.krfilters.com sales@krfilters.com (732) 636-1900 (732) 636-1982 Page 1 KR KR Electronics, Inc. KR KR Electronics 2539 Specifications Parameter Filter type Insertion Loss Attenuation at 65 MHz Attenuation at 75.08 MHz Source & Load Specification Lowpass < 1 dB < 4 dB (2 dB typical) > 45 dB 50 Ω www.krfilters.com Physical Dimensions Metal Case Pin 1 is Input Pin 5 is Output All other Pins are Ground All leads .030” diameter Dimensions inches KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2004, KR Electronics, Inc. Web Email Phone Fax www.krfilters.com sales@krfilters.com (732) 636-1900 (732) 636-1982 Page 2