2157-21.4-5-50

KR Electronics, Inc. KR Electronics General Description KR 2157-21.4-5-50 is a 21.4 MHz bandpass filter. The filter has a 1.07 MHz min 3 dB bandwidth and is designed for 50 Ω source and load impedance. Other passband frequencies, bandwidths and impedances are available. Please consult the factory. Features • 21.4 MHz Bandpass • 50 Ω • DIP Package www.krfilters.com Typical Performance Passband Amplitude & Group Delay (1 dB/div & 50 nsec/div) 28 Mar 2008 11:32:18 CH1 CH2 S21 S21 LOG DEL 1 dB/ 50 ns/ REF 0 dB REF 500 ns CH1 S21 LOG 5 dB/ Overall Response (5 dB/div) 28 Mar 2008 11:33:32 REF 0 dB Cor Cor Smo Cor CENTER 21 . 400 000 MHz SPAN 1 . 500 000 MHz CENTER 21 . 400 000 MHz SPAN 15 . 000 000 MHz KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2008, 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 2157-21.4-5-50 Specifications Parameter Filter type Center Frequency Insertion Loss Minimum 3 dB Bandwidth Maximum 40 dB Bandwidth Source & Load Specification Bandpass 21.4 MHz < 5 dB ( 2.5 dB typical) 1.07 MHz 8.56 MHz (6.4 MHz typical) 50 Ω 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 © 2008, KR Electronics, Inc. Web Email Phone Fax www.krfilters.com sales@krfilters.com (732) 636-1900 (732) 636-1982 Page 2