KR Electronics, Inc.
KR Electronics, Inc.
General Description
KR Electronics part number 3211 is a group delay equalized
105 MHz bandpass filter. The filter has a minimum 2 dB band-
width of 30 MHz and a maximum 45 dB bandwidth of 47 MHz.
Other center frequencies and bandwidths are available. Please
consult the factory.
www.krfilters.com
Features
105 MHz Bandpass Filter
2 dB Bandwidth, 30 MHz min
45 dB Bandwidth, 47 MHz max
Sharp Elliptic Type Design
Group Delay Equalized
50
Source and Load
Surface Mount
Available with SMA Connectors
Typical Performance
Overall Response
(10 dB/div)
KR Electronics, Inc.
91 Avenel Street
Avenel, NJ 07001
© 2015, KR Electronics, Inc.
3211, Rev 0
Web
Email
Phone
Fax
www.krfilters.com
sales@krfilters.com
(732) 636-1900
(732) 636-1982
Page 1
KR Electronics, Inc.
KR Electronics 3211
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
© 2015, KR Electronics, Inc.
3211, Rev 0
Web
Email
Phone
Fax
www.krfilters.com
sales@krfilters.com
(732) 636-1900
(732) 636-1982
Page 2
KR Electronics, Inc.
KR Electronics 3211
Specifications
Parameter
Filter type
Center Frequency
Insertion Loss
2 dB Bandwidth
45 dB Bandwidth
55 dB Bandwidth
Source and Load
Specification
Bandpass
105 MHz
5 dB max
30 MHz min
47 MHz max
51 MHz max
50
www.krfilters.com
Notes
4.5 dB typical
34.4 MHz typical
45.5 MHz typical
47.3 MHz typical
Physical Dimensions
Notes:
1. Surface mount package — Metal cover open frame
2. Dimensions in inches
3. Maximum reflow temperature is 209° C for 10 sec maximum.
4. If boards are cleaned after installation, units must be completely dried.
KR Electronics, Inc.
91 Avenel Street
Avenel, NJ 07001
© 2015, KR Electronics, Inc.
3211, Rev 0
Web
Email
Phone
Fax
www.krfilters.com
sales@krfilters.com
(732) 636-1900
(732) 636-1982
Page 3