KR 2391A

KR Electronics, Inc.
KR Series 2391A Lowpass Filter
www.krfilters.com
General Description
Features
• Flat passband response
• Group delay equalized
KR Series 2391A are group delay equalized lowpass filters.
The filter’s flat passband response and group delay equalization make them good choices for video applications. Cutoff
frequencies can be specified from 1.75 MHz to 10 MHz.
Typical Performance
Passband Response fc=1.75 MHz
Overall Response fc=1.75 MHz
(0.2 dB/div & 50 nsec/div) 100 KHz to 1.75 MHz
(10 dB/div) 100 KHz to 10 MHz
28 Feb 2001 09:36:54
CH1
CH2
S31
S31
LOG
DEL
.2 dB/
50 ns/
28 Feb 2001 09:24:23
CH1
REF -.86 dB
REF 1.66 us
PRm
PRm
Cor
Cor
S31
LOG
10 dB/
REF -40 dB
PRm
Smo
Cor
START
. 100
000
MHz
STOP
Figure 1
KR Electronics, Inc.
91 Avenel Street
Avenel, NJ 07001
© 2001, KR Electronics, Inc.
1 . 750
000
MHz
START
. 100
000
MHz
STOP
10 . 000
000
MHz
Figure 2
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 2391A Series Lowpass
Specifications
Parameter
Specification
Filter type
Lowpass
Insertion Loss
< 1 dB
End of Passband (fc)
1.75 MHz to 10 MHz
Passband Ripple
< 0.25 dB
Attenuation at 1.1 x fc
< 3 dB
Attenuation at 1.38 x fc
> 45 dB
Group Delay Ripple to fc
User Specified
< 87.5 nsec/ fc MHz
Example: for fc=1.75 MHz
Group Delay Ripple < 87.5/1.75
or < 50 nsec p-p
Consult factory
50Ω or 75Ω
Others available consult factory
Source and Load
Physical Dimensions
Also available in a 4 x 2 x 0.5 inch metal can
with PCB terminals
All dimensions in inches
KR Electronics, Inc.
91 Avenel Street
Avenel, NJ 07001
© 2001, KR Electronics, Inc.
Web
Email
Phone
Fax
www.krfilters.com
[email protected]
(732) 636-1900
(732) 636-1982
Page 2