KR Electronics, Inc.
KR Electronics, Inc.
General Description
KR 2997 is a 70 MHz bandpass filter. The minimum 3 dB band-
width is 4 MHz. Other center frequencies and bandwidths avail-
able. Please consult the factory.
www.krfilters.com
Features
70 MHz Center Frequency
4 MHz min 3 dB Bandwidth
SMA Connectors
50
Source and Load
Typical Performance
Overall Response
(10 dB/div)
KR Electronics, Inc.
91 Avenel Street
Avenel, NJ 07001
© 2010, KR Electronics, Inc.
2997, Rev 0, July 17, 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 & 20 nsec/div)
www.krfilters.com
Overall Stopband to 1 GHz
(10 dB/div)
KR Electronics, Inc.
91 Avenel Street
Avenel, NJ 07001
© 2010, KR Electronics, Inc.
2997, Rev 0, July 17, 2010
Web
Email
Phone
Fax
www.krfilters.com
sales@krfilters.com
(732) 636-1900
(732) 636-1982
Page 2
KR Electronics, Inc.
KR Electronics 2997
Specifications
Parameter
Filter type
Center Frequency
Insertion Loss
Minimum 3 dB Bandwidth
20 dB Bandwidth
40 dB Bandwidth
60 dB Bandwidth
Source and Load
Specification
Bandpass
70 MHz
5.5 dB max
4 MHz
7.3 MHz typical
11.4 MHz typical
17.9 MHz typical
50
www.krfilters.com
Typical / Notes
3.5 typical
Physical Dimensions
Notes:
1. Dimensions in inches
2. Rectangular case
KR Electronics, Inc.
91 Avenel Street
Avenel, NJ 07001
© 2010, KR Electronics, Inc.
2997, Rev 0, July 17, 2010
Web
Email
Phone
Fax
www.krfilters.com
sales@krfilters.com
(732) 636-1900
(732) 636-1982
Page 3