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| KR Electronics, Inc. KR Series 2391A Lowpass Filter General Description KR Series 2391A are group delay equalized lowpass filters. The filter's flat passband response and group delay equalization make them good choices for video applications. Cutoff frequencies can be specified from 1.75 MHz to 10 MHz. www.krfilters.com Features * Flat passband response * Group delay equalized Typical Performance Passband Response fc=1.75 MHz (0.2 dB/div & 50 nsec/div) 100 KHz to 1.75 MHz 28 Feb 2001 09:36:54 CH1 CH2 S31 S31 LOG DEL .2 dB/ 50 ns/ REF -.86 dB REF 1.66 us CH1 S31 Overall Response fc=1.75 MHz (10 dB/div) 100 KHz to 10 MHz 28 Feb 2001 09:24:23 LOG 10 dB/ REF -40 dB PRm PRm Cor Cor PRm Smo Cor START . 100 000 MHz STOP 1 . 750 000 MHz START . 100 000 MHz STOP 10 . 000 000 MHz Figure 1 Figure 2 KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 (c) 2001, KR Electronics, Inc. Web Email Phone Fax www.krfilters.com sales@krfilters.com (732) 636-1900 (732) 636-1982 Page 1 KR Electronics, Inc. KR Series 2391A Series Lowpass Specifications www.krfilters.com Parameter Filter type Insertion Loss End of Passband (fc) Passband Ripple Attenuation at 1.1 x fc Attenuation at 1.38 x fc Group Delay Ripple to fc Specification Lowpass < 1 dB 1.75 MHz to 10 MHz < 0.25 dB < 3 dB > 45 dB < 87.5 nsec/ fc MHz Example: for fc=1.75 MHz Group Delay Ripple < 87.5/1.75 or < 50 nsec p-p 50 or 75 Consult factory User Specified Source and Load Others available consult factory Physical Dimensions Also available in a 4 x 2 x 0.5 inch metal can with PCB terminals All dimensions in inches KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 (c) 2001, KR Electronics, Inc. Web Email Phone Fax www.krfilters.com sales@krfilters.com (732) 636-1900 (732) 636-1982 Page 2 |
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