KR Electronics, Inc.
KR Electronics
General Description
KR 2831 is a 405 MHz surface mount bandpass filter. The filter
has a minimum 1 dB bandwidth of 30 MHz. Other passband
frequencies are available. Please consult the factory.
www.krfilters.com
Features
•
Surface Mount Package
•
50
Ω
Source and Load
Typical Performance
Passband Amplitude & Group Delay
(0.5 dB/div and 5 nsec/div)
3 May 2008 17:50:22
CH1
CH2
S31
S31
LOG
DEL
.5 dB/
5 ns/
REF 0 dB
REF 10 ns
Overall Response
(10 dB/div)
3 May 2008 17:53:49
CH1
S31
LOG
10 dB/
REF 0 dB
Cor
Cor
Smo
Cor
CENTER
405 . 000
000
MHz
SPAN
50 . 000
000
MHz
START
100 . 000
000
MHz
STOP
3 000 . 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 2831
Specifications
Parameter
Filter type
Center Frequency
Insertion Loss
1 dB Bandwidth
Attenuation at 305 MHz & 505 MHz
Attenuation at 200 MHz & 600 MHz
Source and Load
Specification
Bandpass
405 MHz
< 3 dB (1.5 dB typical)
30 MHz min
45 dB min
60 dB min
50
Ω
www.krfilters.com
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