KR 2657

KR Electronics, Inc.
KR Electronics 2657 Bandpass Filter
www.krfilters.com
General Description
Features
• 70 MHz Center Frequency
• 3 dB Bandwidth, 5 MHz min
• Surface Mount Package
• 50 Ω Source and Load
KR 2657 is a 70 MHz surface mount bandpass filter. Other
center frequencies and bandwidths available. Please consult
the factory.
Typical Performance
Passband Amplitude & Group Delay
Overall Response
(1 dB/div and 20 nsec/div)
(10 dB/div)
13 Mar 2006 10:16:28
CH1
CH2
S31
S31
LOG
DEL
1 dB/
20 ns/
13 Mar 2006 10:17:35
REF 0 dB
REF 160 ns
CH1
S31
LOG
10 dB/
REF 0 dB
Cor
Cor
Smo
Cor
CENTER
70 . 000
000
MHz
KR Electronics, Inc.
91 Avenel Street
Avenel, NJ 07001
© 2006, KR Electronics, Inc.
SPAN
5 . 000
000
MHz
CENTER
70 . 000
000
MHz
SPAN
Web
Email
Phone
Fax
100 . 000
000
MHz
www.krfilters.com
[email protected]
(732) 636-1900
(732) 636-1982
Page 1
KR Electronics, Inc.
www.krfilters.com
KR Electronics 2657 Bandpass
Specifications
Parameter
Specification
Filter type
Bandpass
Typical
Center Frequency
70 MHz
Insertion Loss
< 5 dB
3.4 dB
3 dB Bandwidth
5 MHz min
6.2 MHz
10 dB Bandwidth
11 MHz max
8.0 MHz
40 dB Bandwidth
15.5 MHz
60 dB Bandwidth
30 MHz max
Source and Load
50 Ω
24.0 MHz
Physical Dimensions
MAX
Notes:
1. Surface mount package — Metal cover (can also be supplied in an package
with SMA Connectors)
2. Dimensions in inches
3. Maximum reflow temperature is 209° C for 15 sec maximum.
4. If boards are cleaned after installation, dry units completely.
KR Electronics, Inc.
91 Avenel Street
Avenel, NJ 07001
© 2006, KR Electronics, Inc.
Web
Email
Phone
Fax
www.krfilters.com
[email protected]
(732) 636-1900
(732) 636-1982
Page 2