KR Electronics, Inc. KR Electronics www.krfilters.com General Description Features • 3.8 MHz Center Frequency • 50 Ω Source and Load 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. Typical Performance Passband Amplitude & Group Delay Overall Response (1 dB/div and 200 nsec/div) (10 dB/div) 28 Feb 2008 20:23:18 CH1 CH2 S 21 S 21 log MAG delay 1 dB/ 200 ns/ 28 Feb 2008 20:25:04 REF 0 dB REF 0 s CH1 PRm S 21 log MAG 10 dB/ REF 0 dB PRm Cor 1 PRm Cor 2 START 1.800 000 MHz KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 © 2008, KR Electronics, Inc. STOP 5.800 000 MHz START .100 000 MHz STOP 100.000 000 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 2820-3.8 Specifications Parameter Specification Filter type Bandpass Center Frequency Insertion Loss 3.8 MHz < 2 dB ( 0.5 dB typical) Attenuation at 1.8 MHz 3 ± 1 dB Attenuation at 5.8 MHz 3 ± 1 dB Attenuation at 0.8 MHz > 60 dB Attenuation at 12.8 MHz > 60 dB Source and Load 50 Ω 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 [email protected] (732) 636-1900 (732) 636-1982 Page 2