KR Electronics, Inc.
KR Electronics
General Description
www.krfilters.com
KR 2838-50 is a 140 MHz group delay equalized bandpass filter.
Features
The filter has a passband from 115 MHz to 165 MHz. Other
•
140 MHz Center Frequency
passband frequencies are available. Please consult the factory.
•
Sharp Transition to Stopband
•
Group Delay Equalized
•
50
Ω
Source and Load
Typical Performance
Passband Amplitude & Group Delay
(1 dB/div and 5 nsec/div)
12 Jun 2008 17:48:01
CH1
CH3
S31
S31
LOG
DEL
1 dB/
5 ns/
REF 0 dB
REF 45 ns
CH2
S31
LOG
10 dB/
Overall Response
(10 dB/div)
12 Jun 2008 17:48:26
REF 0 dB
Cor
Smo
Cor
Cor
CENTER
140 . 000
000
MHz
SPAN
200 . 000
000
MHz
CENTER
140 . 000
000
MHz
SPAN
50 . 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 2838-50
Specifications
Parameter
Filter type
Insertion Loss
Passband (< 2 dB)
Passband Ripple
Passband Group Delay Ripple
120 MHz to 160 MHz
Attenuation at 104 MHz & 176 MHz
Attenuation at 100 MHz & 180 MHz
Source and Load
Specification
Bandpass
< 5 dB ( 3.5 dB typical )
115 MHz to 165 MHz
< 1 dB
< 4 nsec
> 40 dB
> 45 dB
50
Ω
www.krfilters.com
Physical Dimensions
Notes:
1. Surface mount package — Metal cover open frame
2. Dimensions in inches
3. Maximum reflow temperature is 230° C for 10 sec maximum.
4. If boards are cleaned after installation, units must be completely dried.
Web
Email
Phone
Fax
www.krfilters.com
sales@krfilters.com
(732) 636-1900
(732) 636-1982
Page 2
KR Electronics, Inc.
91 Avenel Street
Avenel, NJ 07001
© 2008, KR Electronics, Inc.
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