2478

KR 2478 Lowpass Filter General Description KR 2478 is a 34 MHz lowpass filter. The filter is group delay equalized and amplitude equalized. Please consult the factory for other passband or sampling frequencies. KR Electronics, Inc. www.krfilters.com Features Features • 34 MHz passband • Sharp transition to 60 dB • 50 Ω • SMA connectors Typical Performance Passband Amplitude & Group Delay (0.25 dB/div & 5 nsec/div) 9 Jul 2003 12:14:29 CH1 CH2 S31 S31 LOG DEL .25 dB/ 5 ns/ REF -1 dB REF 70 ns CH1 S31 LOG 10 dB/ Overall Response (10 dB/div 1 MHz to 1 GHz) 9 Jul 2003 12:10:10 REF 0 dB Cor Cor Avg 16 Smo Cor Avg 16 START . 100 000 MHz STOP 34 . 000 000 MHz START 1 . 000 000 MHz STOP 1 000 . 000 000 MHz KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2003, 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 2478 Specifications Parameter Filter type End of Passband Passband Ripple to 34 MHz Insertion Loss (at 100 KHz) Group Delay Ripple to 30 MHz Group Delay Ripple to 34 MHz Attenuation at 46 MHz Attenuation at 50 MHz Source & Load Specification Lowpass 34 MHz < 0.25 dB < 2 dB < 5 nsec < 15 nsec > 40 dB > 60 dB 50 Ω www.krfilters.com Physical Dimensions Dimensions in inches Can also be supplied with pins for PCB mounting KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2003, KR Electronics, Inc. Web Email Phone Fax www.krfilters.com sales@krfilters.com (732) 636-1900 (732) 636-1982 Page 2