KR Electronics, Inc.
KR Electronics
General Description
KR Electronics part number 2943 is a 255 MHz bandpass filter.
The filter has a minimum 3 dB bandwidth of 30 MHz. Other
center frequencies and bandwidths available. Please consult the
factory.
www.krfilters.com
Features
255 MHz Center Frequency
30 MHz Minimum 3 dB Bandwidth
71 MHz Typical 40 dB Bandwidth
50
Source and Load
Surface Mount
Typical Performance
Overall Response
(10 dB/div)
KR Electronics, Inc.
91 Avenel Street
Avenel, NJ 07001
© 2009, KR Electronics, Inc.
2943, 255 MHz Bandpass, Rev 0, October 19, 2009
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
www.krfilters.com
Passband Amplitude & Group Delay
(1 dB/div & 10 nsec/div)
KR Electronics, Inc.
91 Avenel Street
Avenel, NJ 07001
© 2009, KR Electronics, Inc.
2943, 255 MHz Bandpass, Rev 0, October 19, 2009
Web
Email
Phone
Fax
www.krfilters.com
sales@krfilters.com
(732) 636-1900
(732) 636-1982
Page 2
KR Electronics, Inc.
KR Electronics 2943
Specifications
Parameter
Filter type
Center Frequency
Insertion Loss
3 dB Bandwidth
40 dB Bandwidth
Source and Load
Specification
Bandpass
255 MHz
3.5 dB max
30 MHz min
71 MHz typical
50
www.krfilters.com
2 dB typical
Physical Dimensions
Notes:
1. Surface mount package
2. Dimensions in inches
3. Max reflow temperature 209° C for 10 sec
4. If boards are cleaned after installation units must be completely dried
KR Electronics, Inc.
91 Avenel Street
Avenel, NJ 07001
© 2009, KR Electronics, Inc.
2943, 255 MHz Bandpass, Rev 0, October 19, 2009
Web
Email
Phone
Fax
www.krfilters.com
sales@krfilters.com
(732) 636-1900
(732) 636-1982
Page 3