3021 - KR Electronics

KR Electronics, Inc.
KR Electronics, Inc.
www.krfilters.com
General Description
KR Electronics part number 2951 is a 133.5 MHz bandpass filter. The filter has a minimum 1 dB bandwidth of 233 MHz.
Other center frequencies and bandwidths available. Please consult the factory.
Features
 133.5 MHz Center Frequency
 17 MHz to 250 MHz Passband
 50  Source and Load
 Surface Mount
Typical Performance
Overall Response
(10 dB/div)
KR Electronics, Inc.
91 Avenel Street
Avenel, NJ 07001
© 2011, KR Electronics, Inc.
3021, 133.5 MHz Bandpass, Rev 0, May 20, 2011
Web
Email
Phone
Fax
www.krfilters.com
sales@krfilters.com
(732) 636-1900
(732) 636-1982
Page 1
KR Electronics, Inc.
KR Electronics
www.krfilters.com
Typical Performance
Passband Amplitude & Group Delay
(0.5 dB/div & 10 nsec/div)
KR Electronics, Inc.
91 Avenel Street
Avenel, NJ 07001
© 2011, KR Electronics, Inc.
3021, 133.5 MHz Bandpass, Rev 0, May 20, 2011
Web
Email
Phone
Fax
www.krfilters.com
sales@krfilters.com
(732) 636-1900
(732) 636-1982
Page 2
KR Electronics, Inc.
www.krfilters.com
KR Electronics 3021
Specifications
Parameter
Specification
Filter type
Bandpass
Center Frequency
133.5 MHz
Insertion Loss
0.5 dB max
1 dB Bandwidth
233 MHz min
Typical -3 dB frequencies
15 MHz & 284.7 MHz
Typical -20 dB frequencies
11.9 MHz & 355 MHz
Typical -40 dB frequencies
9.2 MHz & 452 MHz
Typical –60 dB frequencies
7 MHz & 601 MHz
Source and Load
17 MHz to 250 MHz
50 


Physical Dimensions
Notes:
1. Surface mount package
2. Dimensions in inches
3. Max reflow temperature 209° C for 10 sec
4. If boards are cleaned after installation units must be completely dried
KR Electronics, Inc.
91 Avenel Street
Avenel, NJ 07001
© 2011, KR Electronics, Inc.
3021, 133.5 MHz Bandpass, Rev 0, May 20, 2011
Web
Email
Phone
Fax
www.krfilters.com
sales@krfilters.com
(732) 636-1900
(732) 636-1982
Page 3