KR Electronics, Inc. KR 2478 Lowpass Filter www.krfilters.com General Description Features • 34 MHz passband • Sharp transition to 60 dB • 50 Ω • SMA connectors 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. Typical Performance Passband Amplitude & Group Delay Overall Response (0.25 dB/div & 5 nsec/div) (10 dB/div 1 MHz to 1 GHz) 9 Jul 2003 12:10:10 9 Jul 2003 12:14:29 CH1 CH2 S31 S31 LOG DEL .25 dB/ 5 ns/ REF -1 dB REF 70 ns CH1 Cor S31 LOG 10 dB/ REF 0 dB Cor Avg 16 Smo Cor Avg 16 START . 100 000 MHz KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2003, KR Electronics, Inc. STOP 34 . 000 000 MHz START 1 . 000 000 MHz STOP Web Email Phone Fax 1 000 . 000 000 MHz www.krfilters.com [email protected] (732) 636-1900 (732) 636-1982 Page 1 KR Electronics, Inc. www.krfilters.com KR 2478 Specifications Parameter Specification Filter type Lowpass End of Passband 34 MHz Passband Ripple to 34 MHz < 0.25 dB Insertion Loss (at 100 KHz) < 2 dB Group Delay Ripple to 30 MHz < 5 nsec Group Delay Ripple to 34 MHz < 15 nsec Attenuation at 46 MHz > 40 dB Attenuation at 50 MHz > 60 dB 50 Ω Source & Load 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 [email protected] (732) 636-1900 (732) 636-1982 Page 2