KR 2490

KR Electronics, Inc.
KR 2490 Lowpass Filter
www.krfilters.com
General Description
Features
• Flat passband response
• Group delay equalized
KR 2490 is a group delay equalized lowpass filters. The filter’s flat passband response and group delay equalization
make it a good choice for video applications.
Typical Performance
CH1
CH2
S 21
S 21
Passband Amplitude & Group Delay
Overall Response
(0.2 dB/div & 10 nsec/div) 100 KHz to 8 MHz
(5 dB/div) 100 KHz to 100 MHz
log MAG
delay
.2 dB/
10 ns/
REF 0 dB
REF 120 ns
28 Aug 2003 11:16:02
1_:-.4425 dB
1_ 139.42 ns
28 Aug 2003 11:17:51
CH1
S 21
log MAG
5 dB/
REF 0 dB
7.000 000 MHz
PRm
PRm
Cor
1
1
2
PRm
Cor
1
Smo
START
START
.100 000 MHz
KR Electronics, Inc.
91 Avenel Street
Avenel, NJ 07001
© 2003, KR Electronics, Inc.
STOP
.100 000 MHz
STOP 100.000 000 MHz
8.000 000 MHz
Web
Email
Phone
Fax
www.krfilters.com
[email protected]
(732) 636-1900
(732) 636-1982
Page 1
KR Electronics, Inc.
www.krfilters.com
KR Series 2490
Specifications
Parameter
Specification
Filter type
Lowpass
Insertion Loss
< 1 dB
End of Passband (< 1 dB)
7 MHz
< 3 dB Frequency
8 MHz
Attenuation at 12 MHz
> 30 dB
Group Delay Ripple to 7 MHz
Source and Load
< 24 nsec
50 Ω
Physical Dimensions
Other configurations available on request
All dimensions in inches
KR Electronics, Inc.
91 Avenel Street
Avenel, NJ 07001
© 2003, KR Electronics, Inc.
Web
Email
Phone
Fax
www.krfilters.com
[email protected]
(732) 636-1900
(732) 636-1982
Page 2