KR Electronics, Inc.
KR Electronics
General Description
KR 2841 is a 286 MHz surface mount bandpass filter. The filter
has a minimum 3 dB bandwidth of 56 MHz. Other passband
frequencies are available. Please consult the factory.
www.krfilters.com
Features
•
286 MHz Center Frequency
•
Surface Mount Package
•
50
Ω
Source and Load
Typical Performance
Passband Amplitude & Group Delay
(1 dB/div and 10 nsec/div)
11 Jun 2008 14:49:47
CH1
CH2
S31
S31
LOG
DEL
1 dB/
10 ns/
REF 0 dB
REF 0 s
Overall Response
(5 dB/div)
11 Jun 2008 14:50:32
CH1
S31
LOG
5 dB/
REF 0 dB
Cor
Cor
Smo
Cor
CENTER
286 . 000
000
MHz
SPAN
56 . 000
000
MHz
START
150 . 000
000
MHz
STOP
410 . 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 2841
Specifications
Parameter
Filter type
Center Frequency
Insertion Loss
3 dB Bandwidth
Attenuation at 250 MHz
Attenuation at 156 MHz
Attenuation at 390 MHz
Source and Load
Specification
Bandpass
286 MHz
< 3 dB
56 MHz min
15 dB min
40 dB min
45 dB min
50
Ω
www.krfilters.com
Typical 46 dB
Typical 54 dB
Physical Dimensions
Notes:
1. Surface mount package — Metal cover, open frame
2. Dimensions in inches
3. Maximum reflow temperature 209° C for 10 seconds maximum
4. If boards are cleaned after installation, units must be completely dried
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