KR Electronics, Inc.
KR Electronics, Inc.
General Description
KR Electronics part number 3185 is a 120 MHz bandpass filter.
The filter has a minimum 3 dB bandwidth of 75 MHz. Other
frequencies are available. Please consult the factory.
www.krfilters.com
Features
120 MHz Bandpass Filter
75 MHz min 5 dB Bandwidth
Highly Selective Elliptic Filter
50
Source and Load
Surface Mount
SMA Connectors Available
Typical Performance
Overall Response
(10 dB/div)
KR Electronics, Inc.
91 Avenel Street
Avenel, NJ 07001
© 2014, KR Electronics, Inc.
3185, Rev 0, December 17, 2014
Web
Email
Phone
Fax
www.krfilters.com
sales@krfilters.com
(732) 636-1900
(732) 636-1982
Page 1
KR Electronics, Inc.
KR Electronics 3185
Passband Amplitude & Group Delay
(1 dB/div & 10 nsec/div)
www.krfilters.com
Overall Response
(10 dB/div)
KR Electronics, Inc.
91 Avenel Street
Avenel, NJ 07001
© 2014, KR Electronics, Inc.
3185, Rev 0, December 17, 2014
Web
Email
Phone
Fax
www.krfilters.com
sales@krfilters.com
(732) 636-1900
(732) 636-1982
Page 2
KR Electronics, Inc.
KR Electronics 3185
Specifications
Parameter
Filter type
Center Frequency
Insertion Loss
3 dB Bandwidth
Rejection at 82.5 & 157.5 MHz
Rejection at 60 & 215 MHz
Rejection at 45 & 280 MHz
Source and Load
Specification
Bandpass
120 MHz
1.5 dB max
75 MHz min
3 dB max
40 dB min
60 dB min
50
www.krfilters.com
Notes
0.75 dB typical
84 MHz typical
> 50 dB typical
> 70 dB 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.
3185, Rev 0, December 17, 2014
Web
Email
Phone
Fax
www.krfilters.com
sales@krfilters.com
(732) 636-1900
(732) 636-1982
Page 3