KR Electronics, Inc.
KR Electronics, Inc.
General Description
KR Electronics part number 2987 is a 350 MHz lowpass filter.
The filter is an elliptic type filter with a sharp cut-off and 60 dB
minimum attenuation. Other bandwidths are available. Please
consult the factory.
www.krfilters.com
Features
Elliptic Lowpass
350 MHz min 1 dB Bandwidth
447 MHz typical 3 dB Bandwidth
60 dB Stopband Attenuation
N Connectors
50
Source and Load
Typical Performance
Overall Response
(10 dB/div)
27 Apr 2010 11:16:51
CH1
S31
LOG
10 dB/
REF 0 dB
Avg
16
START
1 . 000
000
MHz
STOP
3 000 . 000
000
MHz
KR Electronics, Inc.
91 Avenel Street
Avenel, NJ 07001
© 2010, KR Electronics, Inc.
2987, Rev 0, April 27, 2010
Web
Email
Phone
Fax
www.krfilters.com
sales@krfilters.com
(732) 636-1900
(732) 636-1982
Page 1
KR Electronics, Inc.
KR Electronics
Typical Performance
Passband Amplitude & Group Delay
(1 dB/div & 5 nsec/div)
www.krfilters.com
27 Apr 2010 11:15:00
CH2
CH4
S31
S31
LOG
DEL
1 dB/
5 ns/
REF 0 dB
REF 0 s
1 : - . 31870
1
dB
350 . 000
000
MHz
CH2
Markers
dB
MHz
2 : -2 . 9965
447 . 500
2
Cor
Cor
4
2
START
. 100
000
MHz
STOP
500 . 000
000
MHz
KR Electronics, Inc.
91 Avenel Street
Avenel, NJ 07001
© 2010, KR Electronics, Inc.
2987, Rev 0, April 27, 2010
Web
Email
Phone
Fax
www.krfilters.com
sales@krfilters.com
(732) 636-1900
(732) 636-1982
Page 2
KR Electronics, Inc.
KR Electronics 2987
Specifications
Parameter
Filter type
End of Passband (< 1 dB)
580 MHz to 1000 MHz
Maximum Input Power to 350 MHz
Source and Load
Specification
Lowpass
350 MHz
60 dB min
10 Watts
50
www.krfilters.com
Physical Dimensions
Notes:
1. Dimensions in inches
2. Rectangular case
KR Electronics, Inc.
91 Avenel Street
Avenel, NJ 07001
© 2010, KR Electronics, Inc.
2987, Rev 0, April 27, 2010
Web
Email
Phone
Fax
www.krfilters.com
sales@krfilters.com
(732) 636-1900
(732) 636-1982
Page 3