KR Electronics, Inc. KR 2473-B Bandpass Filter www.krfilters.com General Description KR 2473-B is a 26.88 MHz bandpass filter. The filter has a minimum 3 dB bandwidth of 3.95 MHz and is designed for 50 Ω source and load impedance. Phase linearity is better than 2° over a 3.23 MHz bandwidth. Other center frequencies and bandwidths are available. Please consult the factory. Features • 26.88 MHz Bandpass • Linear Phase • 50 Ω • SMA Connectors Typical Performance Passband Amplitude & Group Delay Overall Response (1 dB/div & 5 nsec/div) CH1 CH2 S31 S31 LOG DEL 1 dB/ 5 ns/ 1 : -2 . 3468 1 : 309 . 36 REF 0 dB REF 305 ns (10 dB/div) dB ns 26 . 880 000 MHz CH1 S31 LOG 10 dB/ REF 0 dB 1 1 : 0 . 0000 dB 0 . 000 000 MHz Cor Cor 1 2 3 Avg 16 2 1 3 Smo Cor 2 START 24 . 900 000 MHz STOP 28 . 850 000 MHz CENTER KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2003, KR Electronics, Inc. 3 26 . 880 000 MHz SPAN Web Email Phone Fax 40 . 000 000 MHz www.krfilters.com [email protected] (732) 636-1900 (732) 636-1982 Page 1 KR Electronics, Inc. www.krfilters.com KR 24732473-B Specifications Parameter Specification Filter type Bandpass Center Frequency 26.88 MHz Insertion Loss 3 dB Bandwidth Group Delay Ripple (3.23 MHz BW) < 5 dB > 3.95 MHz < 20 nsec Phase Linearity (3.23 MHz BW) < 2° VSWR (3.23 MHz BW) < 2:1 Attenuation at 17.8 MHz & below > 60 dB Attenuation at 36 MHz > 60 dB Source & Load 50 Ω Physical Dimensions KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2003, KR Electronics, Inc. Web Email Phone Fax www.krfilters.com [email protected] (732) 636-1900 (732) 636-1982 Page 2