KR Electronics, Inc.
KR Electronics, Inc.
General Description
KR Electronics part number 3145 is a 305 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
305 MHz Center Frequency
30 MHz minimum 3 dB Bandwidth
76 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
© 2014, KR Electronics, Inc.
3145, 305 MHz Bandpass, Rev 0, April 1, 2014
Web
Email
Phone
Fax
www.krfilters.com
sales@krfilters.com
(732) 636-1900
(732) 636-1982
Page 1
KR Electronics, Inc.
KR Electronics, Inc.
Typical Performance
Passband Amplitude & Group Delay
(1 dB/div & 10 nsec/div)
www.krfilters.com
Overall Amplitude
(10 dB/div)
KR Electronics, Inc.
91 Avenel Street
Avenel, NJ 07001
© 2014, KR Electronics, Inc.
3145, 305 MHz Bandpass, Rev 0, April 1, 2014
Web
Email
Phone
Fax
www.krfilters.com
sales@krfilters.com
(732) 636-1900
(732) 636-1982
Page 2
KR Electronics, Inc.
KR Electronics 3145
Specifications
Parameter
Filter type
Center Frequency
Insertion Loss
3 dB Bandwidth
10 dB Bandwidth
20 dB Bandwidth
40 dB Bandwidth
60 dB Bandwidth
Source and Load
Specification
Bandpass
305 MHz
4 dB max
30 MHz min
39 MHz typical
49 MHz typical
76 MHz typical
122 MHz typical
50
www.krfilters.com
2.4 dB typical
31 MHz typical
Physical Dimensions
Notes:
1. Surface mount package
2. Dimensions in inches
3. Max reflow temperature 230° 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
© 2014, KR Electronics, Inc.
3145, 305 MHz Bandpass, Rev 0, April 1, 2014
Web
Email
Phone
Fax
www.krfilters.com
sales@krfilters.com
(732) 636-1900
(732) 636-1982
Page 3