2820-3.8

KR Electronics, Inc. KR Electronics General Description KR 2820-3.8 is a 3.8 MHz bandpass filter. The filter has a minimum 3 dB bandwidth of 4 MHz and is designed for a source and load impedance of 50 Ω. Other passband frequencies are available. Please consult the factory. www.krfilters.com Features • 3.8 MHz Center Frequency • 50 Ω Source and Load Typical Performance Passband Amplitude & Group Delay (1 dB/div and 200 nsec/div) 28 Feb 2008 20:23:18 CH1 CH2 PRm Cor S 21 S 21 log MAG delay 1 dB/ 200 ns/ REF 0 dB REF 0 s Overall Response (10 dB/div) 28 Feb 2008 20:25:04 CH1 S 21 log MAG 10 dB/ REF 0 dB PRm 1 PRm Cor 2 START 1.800 000 MHz STOP 5.800 000 MHz START .100 000 MHz STOP 100.000 000 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 Electronics 2820-3.8 Specifications Parameter Filter type Center Frequency Insertion Loss Attenuation at 1.8 MHz Attenuation at 5.8 MHz Attenuation at 0.8 MHz Attenuation at 12.8 MHz Source and Load Specification Bandpass 3.8 MHz < 2 dB ( 0.5 dB typical) 3 ± 1 dB 3 ± 1 dB > 60 dB > 60 dB 50 Ω www.krfilters.com Physical Dimensions Dimensions in inches Epoxy Case 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