KR Electronics, Inc. KR Series 2381 Lowpass Filter www.krfilters.com General Description KR Series 2381 are high performance lowpass filters with group delay equalization. The filters can be supplied with or without Sin(x)/x correction. Passbands can be specified from 10 MHz to 50 MHz. The filters are available in a small SIP package. Features • High performance lowpass • Passbands from 10 to 50 MHz • Group delay equalization • Sin(x)/x correction available • Small SIP Package Typical Performance Passband Response & Group Delay fc=30 MHz Overall Response fc=30 MHz (0.2 dB/div & 3 nsec/div) 100 KHz to 30 MHz (10 dB/div) 100 KHz to 100 MHz 0.000 000 MHz 30.000 000 MHz REF=1 0.2 dB/div 10 dB/DIV 1 1 2_:-43.318 dB 13.5 MHz 2 27.000 000 MHz 3 nsec/div 2 1 100 KHz 30 MHz Figure 1 KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2001, KR Electronics, Inc. 100 KHz 100 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 Series 2381 Lowpass Filter Specifications Parameter Specification Filter type Lowpass Insertion Loss End of Passband fc < 1 dB Consult factory if Sin(x)/x Correction is included 10 MHz to 50 MHz Passband Ripple < 0.2 dB > 40 dB Attenuation 1.45 x fc Group Delay Ripple to 0.9 x fc Sin(x)/x Correction Source and Load User Specified Consult Factory Available User Specified 75 Ω Consult Factory for other Physical Dimensions Pin 1 is Input Pin 11 is Output Pins 2 thru 10 are Ground All dimensions in inches KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2001, KR Electronics, Inc. Web Email Phone Fax www.krfilters.com [email protected] (732) 636-1900 (732) 636-1982 Page 2