KR Electronics, Inc.
KR Electronics
General Description
KR Electronics part number 2968+ is a 475 MHz lowpass filter.
The filter is group delay equalized and has sin(x)/x corrections.
Other bandwidths are available. Please consult the factory.
www.krfilters.com
Features
475 MHz Lowpass Filter
Group Delay Equalized
Sin(x)/x Correction
50
Source and Load
Surface Mount
Also available with SMA connectors
Typical Performance
Overall Response
(10 dB/div)
CH1
S31
LOG
10 dB/
REF 0 dB
7 Apr 2010 18:49:03
START
. 030
000
MHz
STOP
1 000 . 000
000
MHz
KR Electronics, Inc.
91 Avenel Street
Avenel, NJ 07001
© 2010, KR Electronics, Inc.
2968+, Rev 0, April 7, 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
www.krfilters.com
Effective Passband Amplitude & Group Delay
(0.5 dB/div & 1nsec/div)
CH1
CH3
S31 /M
S31
LOG
DEL
.5 dB/
1 ns/
REF -6 dB
REF 4 ns
Cor
Smo
Cor
START
. 100
000
MHz
STOP
500 . 000
000
MHz
KR Electronics, Inc.
91 Avenel Street
Avenel, NJ 07001
© 2010, KR Electronics, Inc.
2968+, Rev 0, April 7, 2010
Web
Email
Phone
Fax
www.krfilters.com
sales@krfilters.com
(732) 636-1900
(732) 636-1982
Page 2
KR Electronics, Inc.
KR Electronics 2968+
Specifications
Parameter
Filter type
End of Passband
Effective Passband Ripple 270 MHz to 475 MHz
Insertion Loss at 0.1 MHz
Source and Load
Specification
Lowpass
475 MHz
0.5 dB max
6.5 dB max
50
www.krfilters.com
Notes
With Sin(x)/x correction for
1 GHz sampling frequency
Physical Dimensions
Notes:
1. Surface mount package, metal cover
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
5. Also available in metal case with SMA connectors
KR Electronics, Inc.
91 Avenel Street
Avenel, NJ 07001
© 2010, KR Electronics, Inc.
2968+, Rev 0, April 7, 2010
Web
Email
Phone
Fax
www.krfilters.com
sales@krfilters.com
(732) 636-1900
(732) 636-1982
Page 3