KR Electronics, Inc.
KR Electronics
General Description
www.krfilters.com
KR 2838-30-SMA is a 140 MHz group delay equalized bandpass
Features
filter. The filter has a passband from 125 MHz to 155 MHz.
•
140 MHz Center Frequency
Other passband frequencies are available. Please consult the
•
Sharp Transition to Stopband
factory.
•
Group Delay Equalized
•
50
Ω
Source and Load
Typical Performance
Passband Amplitude & Group Delay
(1 dB/div and 5 nsec/div)
25 Nov 2008 14:32:01
CH1
CH3
S31
S31
LOG
DEL
1 dB/
5 ns/
REF -3 dB
REF 75 ns
CH2
S31
LOG
10 dB/
Overall Response
(10 dB/div)
25 Nov 2008 14:32:27
REF 0 dB
Cor
Smo
Cor
Cor
CENTER
140 . 000
000
MHz
SPAN
200 . 000
000
MHz
CENTER
140 . 000
000
MHz
SPAN
30 . 000
000
MHz
KR Electronics, Inc.
91 Avenel Street
Avenel, NJ 07001
© 2008, KR Electronics, Inc.
Web
Email
Phone
Fax
www.krfilters.com
sales@krfilters.com
(732) 636-1900
(732) 636-1982
Page 1
KR Electronics, Inc.
KR Electronics 2838-30-SMA
Specifications
Parameter
Filter type
Insertion Loss
Passband (< 2 dB)
Passband Ripple
Passband Group Delay Ripple
128 MHz to 152 MHz
Attenuation at 113 MHz & 167 MHz
Attenuation at 104 MHz & 176
Source and Load
Specification
Bandpass
< 5.5 dB ( 4.5 dB typical )
125 MHz to 155 MHz
< 1.5 dB
< 5 nsec
> 40 dB
> 55 dB
50
Ω
www.krfilters.com
Physical Dimensions
Dimensions in inches
Metal Case
Also available in surface mount
KR Electronics, Inc.
91 Avenel Street
Avenel, NJ 07001
© 2008, KR Electronics, Inc.
Web
Email
Phone
Fax
www.krfilters.com
sales@krfilters.com
(732) 636-1900
(732) 636-1982
Page 2