KR Electronics, Inc.
KR Electronics
General Description
KR 2798 is a 125 MHz differential bandpass filter. The filter has
a typical 3 dB bandwidth of 6.25 MHz and is designed for a bal-
anced source and load impedance of 100
Ω.
Other passband fre-
quencies are available. Please consult the factory.
www.krfilters.com
Features
•
125 MHz Center Frequency
•
DIP Package
•
100
Ω
Differential Source and Load
Typical Performance
Passband Amplitude
(1 dB/div)
4 Oct 2007 19:10:48
CH2
S 21
log MAG
1 dB/
REF -2 dB
Overall Response
(10 dB/div)
4 Oct 2007 19:11:00
CH1
S 21
log MAG
10 dB/
REF 0 dB
PRm
Cor
PRm
Cor
CH2 CENTER 125.000 000 MHz
SPAN
8.000 000 MHz
CH1 CENTER 125.000 000 MHz
SPAN 100.000 000 MHz
KR Electronics, Inc.
91 Avenel Street
Avenel, NJ 07001
© 2007, KR Electronics, Inc.
Web
Email
Phone
Fax
www.krfilters.com
sales@krfilters.com
(732) 636-1900
(732) 636-1982
Page 1
KR Electronics, Inc.
KR Electronics 2798
Specifications
Parameter
Filter type
Center Frequency
Insertion Loss
3 dB Bandwidth
40 dB Bandwidth
Source and Load
Specification
Bandpass
125 MHz
3.5 dB typical
6.25 MHz typical
36 MHz typical
100
Ω
Differential
www.krfilters.com
Physical Dimensions
NOTES:
1. FILTER IS BI-DIRECTIONAL
2. ALL PINS ARE 0.030” DIA
3. DIMENSIONS ARE IN INCHES
Pin 1—IN
Pin 8—IN
Pin 4– OUT
Pin 5– OUT
Connect all remaining pins to GND (also connected to Case)
Web
Email
Phone
Fax
www.krfilters.com
sales@krfilters.com
(732) 636-1900
(732) 636-1982
Page 2
KR Electronics, Inc.
91 Avenel Street
Avenel, NJ 07001
© 2007, KR Electronics, Inc.
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