KR 2579 Bandpass Filter
General Description
KR Electronics, Inc.
www.krfilters.com
KR 2579 is a 60MHz to 88 MHz surface mount bandpass filter.
Features
The filter has >80 dB rejection below 40 MHz & above 108
•
Surface Mount Package
MHz. Other center frequencies and bandwidths available. Please
•
Sharp Transition to Stopband
consult the factory.
•
> 80 dB Stopband
•
50
Ω
Source and Load
Typical Performance
Passband Amplitude & Group Delay
(1 dB/div & 10 nsec/div)
21 Dec 2004 14:13:35
CH1
CH2
S21
S21
LOG
DEL
1 dB/
10 ns/
REF 0 dB
REF 40 ns
Overall Response
(10 dB/div)
21 Dec 2004 14:28:08
CH1
S21
LOG
10 dB/
REF 0 dB
Cor
Cor
Avg
16
Smo
Cor
START
59 . 000
000
MHz
STOP
89 . 000
000
MHz
START
10 . 000
000
MHz
STOP
1 000 . 000
000
MHz
KR Electronics, Inc.
91 Avenel Street
Avenel, NJ 07001
© 2004, 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 2579 Bandpass
Specifications
Parameter
Filter type
Center Frequency
Insertion Loss
Passband (< 3 dB)
Attenuation at 40 MHz & below
Attenuation 108 MHz to 500 MHz
Typical 1 dB Bandwidth
Typical 3 dB Bandwidth
Typical 60 dB Bandwidth
Typical 80 dB Bandwidth
Source and Load
Specification
Bandpass
74 MHz
< 4 dB (< 2 dB typical)
60 MHz to 88 MHz
> 80 dB
> 80 dB
30 MHz
37 MHz
57.8 MHz
64.2 MHz
50
Ω
www.krfilters.com
Physical Dimensions
Notes:
1. Surface mount package — Metal cover, open frame
2. Dimensions in inches
3. Use SN60 or SN63 solder during installation
4. If boards are cleaned after installation, units must be completely
dried to remove any entrapped moisture that will effect electrical
performance
KR Electronics, Inc.
91 Avenel Street
Avenel, NJ 07001
© 2004, KR Electronics, Inc.
Web
Email
Phone
Fax
www.krfilters.com
sales@krfilters.com
(732) 636-1900
(732) 636-1982
Page 2
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