KR 2478

KR Electronics, Inc.
KR 2478 Lowpass Filter
www.krfilters.com
General Description
Features
• 34 MHz passband
• Sharp transition to 60 dB
• 50 Ω
• SMA connectors
KR 2478 is a 34 MHz lowpass filter. The filter is group delay
equalized and amplitude equalized. Please consult the factory
for other passband or sampling frequencies.
Typical Performance
Passband Amplitude & Group Delay
Overall Response
(0.25 dB/div & 5 nsec/div)
(10 dB/div 1 MHz to 1 GHz)
9 Jul 2003 12:10:10
9 Jul 2003 12:14:29
CH1
CH2
S31
S31
LOG
DEL
.25 dB/
5 ns/
REF -1 dB
REF 70 ns
CH1
Cor
S31
LOG
10 dB/
REF 0 dB
Cor
Avg
16
Smo
Cor
Avg
16
START
. 100
000
MHz
KR Electronics, Inc.
91 Avenel Street
Avenel, NJ 07001
© 2003, KR Electronics, Inc.
STOP
34 . 000
000
MHz
START
1 . 000
000
MHz
STOP
Web
Email
Phone
Fax
1 000 . 000
000
MHz
www.krfilters.com
[email protected]
(732) 636-1900
(732) 636-1982
Page 1
KR Electronics, Inc.
www.krfilters.com
KR 2478
Specifications
Parameter
Specification
Filter type
Lowpass
End of Passband
34 MHz
Passband Ripple to 34 MHz
< 0.25 dB
Insertion Loss (at 100 KHz)
< 2 dB
Group Delay Ripple to 30 MHz
< 5 nsec
Group Delay Ripple to 34 MHz
< 15 nsec
Attenuation at 46 MHz
> 40 dB
Attenuation at 50 MHz
> 60 dB
50 Ω
Source & Load
Physical Dimensions
Dimensions in inches
Can also be supplied with pins for PCB mounting
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