KR Electronics, Inc. KR Electronics www.krfilters.com General Description KR 2157-125-10-50 is a 125 MHz bandpass filter. The filter has a 12.5 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 • 125 MHz Bandpass • 50 Ω • DIP Package Typical Performance Passband Amplitude & Group Delay Overall Response (1 dB/div & 20 nsec/div) (10 dB/div) 19 Jul 2007 12:03:58 CH1 CH2 S21 S21 LOG DEL 1 dB/ 20 ns/ 19 Jul 2007 12:08:02 REF 0 dB REF 20 ns CH2 S21 LOG 10 dB/ REF 0 dB Cor Smo Cor Cor CENTER 125 . 000 000 MHz KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2007, KR Electronics, Inc. SPAN 12 . 500 000 MHz START 10 . 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 2157-125-10-50 Specifications Parameter Specification Filter type Bandpass Insertion Loss Minimum 3 dB Bandwidth Maximum 40 dB Bandwidth Source & Load < 4 dB ( 2.5 dB typical) 12.5 MHz 100 MHz (85 MHz typical) 50 Ω 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 © 2007, KR Electronics, Inc. Web Email Phone Fax www.krfilters.com [email protected] (732) 636-1900 (732) 636-1982 Page 2