KR 2644

KR Electronics, Inc.
KR 2644 Bandpass Filter
www.krfilters.com
General Description
KR 2644 is a 406 MHz surface mount bandpass filter. Other
center frequencies and bandwidths available. Please consult the
factory.
Features
• Surface Mount Package
• Sharp Transition to Stopband
• >60 dB Stopband
• 50 Ω Source and Load
Typical Performance
Passband Amplitude & Group Delay
Overall Response
(1 dB/div & 5 nsec/div)
(10 dB/div)
9 Jan 2006 16:51:08
CH1
CH2
S 21
S 21
log MAG
delay
1 dB/
5 ns/
9 Jan 2006 16:52:30
REF 0 dB
REF 40 ns
CH1
PRm
S 21
log MAG
10 dB/
REF 0 dB
PRm
Cor
Cor
1
PRm
2
Cor
CENTER 406.000 000 MHz
KR Electronics, Inc.
91 Avenel Street
Avenel, NJ 07001
© 2005, KR Electronics, Inc.
SPAN 25.000 000 MHz
CENTER 406.000 000 MHz
SPAN 800.000 000 MHz
Web
Email
Phone
Fax
www.krfilters.com
[email protected]
(732) 636-1900
(732) 636-1982
Page 1
KR Electronics, Inc.
www.krfilters.com
KR 2644 Bandpass
Specifications
Parameter
Specification
Filter type
Bandpass
Center Frequency
406 MHz
Insertion Loss
< 4 dB (3.5 typical)
3 dB Bandwidth
23 MHz min (25.8 typical)
60 dB Bandwidth
98.5 MHz typical
Source and Load
50 Ω
Physical Dimensions
Notes:
1. Surface mount package — Metal cover, open frame
2. Dimensions in inches
3. Use SN60 or SN63 solder during installation. Maximum reflow temperature is
209° C for 15 sec maximum.
4. If boards are cleaned after installation, units must be completely dried to
remove any entrapped moisture that will effect electrical
KR Electronics, Inc.
91 Avenel Street
Avenel, NJ 07001
© 2005, KR Electronics, Inc.
Web
Email
Phone
Fax
www.krfilters.com
[email protected]
(732) 636-1900
(732) 636-1982
Page 2