KR Electronics, Inc.

KR Electronics, Inc.
KR Electronics, Inc.
www.krfilters.com
General Description
KR Electronics part number 3124 is a 105 MHz group delay equalized bandpass filter. The filter has a min 2 dB
bandwidth of 20 MHz. Other frequencies are available.
Please consult the factory.
Features
 105 MHz Bandpass Filter
 20 MHz Bandwidth
 Sharp Elliptic Transition to Stopband
 Group Delay Equalized for Linear Phase
 50  Source and Load
 Surface Mount Package
 Also Available with SMA Connectors
Typical Performance
Overall Response
(10 dB/div)
KR Electronics, Inc.
91 Avenel Street
Avenel, NJ 07001
© 2013, KR Electronics, Inc.
3124, Rev 0, November 26, 2013
Web
Email
Phone
Fax
www.krfilters.com
[email protected]
(732) 636-1900
(732) 636-1982
Page 1
KR Electronics, Inc.
KR Electronics, Inc.
Typical Performance
www.krfilters.com
Passband Amplitude & Group Delay
(1 dB/div & 20 nsec/div)
Overall Response
(10 dB/div)
KR Electronics, Inc.
91 Avenel Street
Avenel, NJ 07001
© 2013, KR Electronics, Inc.
3124, Rev 0, November 26, 2013
Web
Email
Phone
Fax
www.krfilters.com
[email protected]
(732) 636-1900
(732) 636-1982
Page 2
KR Electronics, Inc.
www.krfilters.com
KR Electronics 3124
Specifications
Parameter
Specification
Filter type
Bandpass
Center Frequency
105 MHz
Insertion Loss
Notes
6.5 dBa typical
2 dBc Bandwidth
20 MHz min
20.8 MHz typical 1 dBc BW
45 dBc Bandwidth
31 MHz max
29.6 MHz typical
Source and Load
50 
Physical Dimensions
Notes:
1. Surface mount package — Metal cover open frame
2. Dimensions in inches
3. Maximum reflow temperature is 230° C for 10 sec maximum.
4. If boards are cleaned after installation, units must be completely dried.
KR Electronics, Inc.
91 Avenel Street
Avenel, NJ 07001
© 2013, KR Electronics, Inc.
3124, Rev 0, November 26, 2013
Web
Email
Phone
Fax
www.krfilters.com
[email protected]
(732) 636-1900
(732) 636-1982
Page 3