KR Electronics, Inc.
KR Electronics, Inc.
General Description
www.krfilters.com
KR Electronics part number 2970 is a 2.8125 MHz bandpass
Features
filter. The filter has a 3 dB bandwidth of 425 KHz and is de-
2.8125 MHz Center Frequency
signed for a source and load impedance of 50
.
Other passband
3 dB Bandwidth 425 KHz ±10%
frequencies are available. Please consult the factory.
Elliptic Filter for Quick Transition
50
Source and Load
Typical Performance
Passband Amplitude & Group Delay
(1 dB/div and 1 usec/div)
11 Mar 2010 13:20:56
CH2
CH4
S31
S31
LOG
DEL
1 dB/
1 us/
REF 0 dB
REF 1 us
Overall Response
(10 dB/div)
11 Mar 2010 13:22:38
CH1
S31
LOG
10 dB/
REF 0 dB
4
Cor
Smo
Cor
2
CENTER
2 . 812
500
MHz
SPAN
. 500
000
MHz
CENTER
2 . 812
500
MHz
SPAN
5 . 000
000
MHz
KR Electronics, Inc.
91 Avenel Street
Avenel, NJ 07001
© 2010, KR Electronics, Inc.
2970, 2.8125 MHz Bandpass, Rev 0, March 11, 2010
Web
Email
Phone
Fax
www.krfilters.com
sales@krfilters.com
(732) 636-1900
(732) 636-1982
Page 1
KR Electronics, Inc.
KR Electronics 2970
Specifications
Parameter
Filter type
Center Frequency
Insertion Loss
3 dB Bandwidth
Attenuation at 2.4 MHz
Attenuation at 3.225 MHz
Source and Load
Specification
Bandpass
2.8125 MHz
< 3.5 dB ( 2.5 dB typical)
425 KHz ±10%
40 dB min (50 to 60 dB typical)
40 dB min (50 to 60 dB typical)
50
www.krfilters.com
Physical Dimensions
Dimensions in inches
Epoxy Case
KR Electronics, Inc.
91 Avenel Street
Avenel, NJ 07001
© 2010, KR Electronics, Inc.
2970, 2.8125 MHz Bandpass, Rev 0, March 11, 2010
Web
Email
Phone
Fax
www.krfilters.com
sales@krfilters.com
(732) 636-1900
(732) 636-1982
Page 2