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| KR Electronics, Inc. KR Electronics General Description KR 2747 is a 178 MHz lowpass filter. The filter has a < 1 dB at 178 MHz and >20 dB at 204 MHz and is designed for 50 source and load impedance. Other passband frequencies are available. Please consult the factory. Features * 178 MHz Lowpass * 50 * DIP Package www.krfilters.com Typical Performance Passband Amplitude & Group Delay (0.5 dB/div & 10 nsec/div) Overall Response (5 dB/div) 27 Nov 2006 10:00:28 CH1 CH2 PRm PRm S 21 S 21 delay log MAG 10 ns/ .5 dB/ REF 0 s REF 0 dB 27 Nov 2006 09:57:17 CH1 S 21 log MAG 5 dB/ REF 0 dB Cor 2 Cor PRm Cor 1 CH1 START .030 000 MHz STOP 500.000 000 MHz START .030 000 MHz STOP 178.000 000 MHz KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 (c) 2006, 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 2747 Specifications Parameter Filter type End of Passband < 1 dB Attenuation from 204 MHz to 500 MHz Source & Load Specification Lowpass 178 MHz 20 dB min, 30 dB typical 50 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 (c) 2006, 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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