KR Electronics, Inc. KR Electronics www.krfilters.com General Description KR 2743 is a 140 MHz bandpass filter. The filter has a minimum Features 1 dB bandwidth of 55.8 MHz (63 MHz typical). Other passband • 140 MHz Center Frequency frequencies are available. Please consult the factory. • Sharp Transition to Stopband • High Stopband Attenuation • 50 Ω Source and Load Typical Performance Passband Amplitude & Group Delay Overall Response (1 dB/div and 10 nsec/div) (10 dB/div) 17 Nov 2006 10:48:26 CH1 CH2 S 21 S 21 log MAG delay 1 dB/ 10 ns/ REF 0 dB REF 10 ns CH1 log MAG 10 dB/ 1 0 dB REF 17 Nov 2006 10:52:39 1_:-.8405 dB 140.000 000 MHz PRm Cor S 21 PRm 1 2_:-71.323 dB 50 MHz Cor 3_:-53.113 dB 190 MHz 3 PRm Cor 2 2 CENTER 140.000 000 MHz KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2006, KR Electronics, Inc. SPAN 55.800 000 MHz CH1 CENTER 140.000 000 MHz SPAN 279.980 000 MHz Web Email Phone Fax www.krfilters.com [email protected] (732) 636-1900 (732) 636-1982 Page 1 KR Electronics, Inc. www.krfilters.com KR Electronics 2743 Specifications Parameter Specification Filter type Bandpass Center Frequency 140 MHz Insertion Loss 1 dB Bandwidth < 1 dB 0.85 dB typical 55.8 MHz min 63.2 MHz typical Attenuation at 50 MHz > 60 dB Attenuation at 190 MHz > 40 dB 50 Ω Source and Load Physical Dimensions Notes: 1. Dimensions in inches 2. Also available in a surface mount package KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2006, KR Electronics, Inc. Web Email Phone Fax www.krfilters.com [email protected] (732) 636-1900 (732) 636-1982 Page 2