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  Datasheet File OCR Text:
 KR Electronics, Inc.
KR Electronics
General Description KR 2820-8.7 is a 8.7 MHz bandpass filter. The filter has a minimum 3 dB bandwidth of 2.5 MHz and is designed for a source and load impedance of 50 . Other passband frequencies are available. Please consult the factory.
www.krfilters.com
Features * 8.7 MHz Center Frequency * 50 Source and Load
Typical Performance
Passband Amplitude & Group Delay
(1 dB/div and 100 nsec/div)
1 Mar 2008 15:37:39 CH1 CH2 PRm S 21 S 21 log MAG delay 1 dB/ 100 ns/ REF 0 dB REF 300 ns
Overall Response
(10 dB/div)
1 Mar 2008 15:38:57 CH1 S 21 log MAG 10 dB/ REF 0 dB
PRm
1
2 PRm
Smo
CENTER
8.700 000 MHz
SPAN
2.500 000 MHz
CH1 START
1.000 000 MHz
STOP 100.000 000 MHz
KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 (c) 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 2820-8.7
Specifications
Parameter Filter type Center Frequency Insertion Loss Attenuation at 7.45 MHz Attenuation at 9.95 MHz Attenuation at 4.95 MHz Attenuation at 12.45 MHz Source and Load Specification Bandpass 8.7 MHz < 3 dB ( < 2 dB typical) 3 1 dB 3 1 dB > 60 dB > 60 dB 50
www.krfilters.com
Physical Dimensions
Dimensions in inches Epoxy Case
KR Electronics, Inc. 91 Avenel Street Avenel, NJ 07001 (c) 2008, KR Electronics, Inc.
Web Email Phone Fax
www.krfilters.com sales@krfilters.com (732) 636-1900 (732) 636-1982 Page 2


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