KR Electronics, Inc.
KR Electronics, Inc.
General Description
KR Electronics part number 3131-17.5 is a 17.5 MHz bandpass
filter. The filter has a minimum 1 dB bandwidth of 28 MHz.
Other center frequencies and bandwidths available. Please con-
sult the factory.
www.krfilters.com
Features
17.5 MHz Center Frequency
28 MHz min 1 dB Bandwidth
Sharp Transition to Stopband
High Stopband Rejection >80 dB
50
Source and Load
SMA Connectors
Typical Performance
Overall Response
(10 dB/div)
KR Electronics, Inc.
91 Avenel Street
Avenel, NJ 07001
© 2014, KR Electronics, Inc.
3131-17.5, 17.5 MHz Bandpass, Rev 0
Web
Email
Phone
Fax
www.krfilters.com
sales@krfilters.com
(732) 636-1900
(732) 636-1982
Page 1
KR Electronics, Inc.
KR Electronics, Inc.
Typical Performance
www.krfilters.com
Passband Amplitude
0.5 dB/div
KR Electronics, Inc.
91 Avenel Street
Avenel, NJ 07001
© 2014, KR Electronics, Inc.
3131-17.5, 17.5 MHz Bandpass, Rev 0
Web
Email
Phone
Fax
www.krfilters.com
sales@krfilters.com
(732) 636-1900
(732) 636-1982
Page 2
KR Electronics, Inc.
KR Electronics 3131-17.5
Specifications
Parameter
Filter type
Center Frequency
Insertion Loss
1 dB Bandwidth
3 dB Bandwidth
40 dB Bandwidth
Rejection at 1.7 MHz
Rejection at 50.5 MHz
Source and Load
Specification
Bandpass
17.5 MHz
1 dB max
28 MHz min
31 MHz typical
22 MHz typical
80 dB min
80 dB min
50
www.krfilters.com
Notes
<0.5 dB typical
3.5 MHz to 31.55 MHz
Physical Dimensions
Notes:
1. SMA(F) to SMA(M)
2. Mounting Inserts 2x 2-56
3. Dimensions in inches
2 x 2-56 UNC
x
.142
.450
.175
.275
2.450
.800
.400
3.000
.490
.800
SMA(F)
SMA(M)
KR Electronics, Inc.
91 Avenel Street
Avenel, NJ 07001
© 2014, KR Electronics, Inc.
3131-17.5, 17.5 MHz Bandpass, Rev 0
Web
Email
Phone
Fax
www.krfilters.com
sales@krfilters.com
(732) 636-1900
(732) 636-1982
Page 3