KR 2747

KR Electronics, Inc.
KR Electronics
www.krfilters.com
General Description
Features
• 178 MHz Lowpass
• 50 Ω
• DIP Package
KR 2747 is a 178 MHz lowpass filter. The filter has a < 1 dB at
178 MHz and >20 dB at 204 MHz and is designed for 50 Ω
source and load impedance. Other passband frequencies are
available. Please consult the factory.
Typical Performance
Passband Amplitude & Group Delay
Overall Response
(0.5 dB/div & 10 nsec/div)
(5 dB/div)
27 Nov 2006 10:00:28
CH1
CH2
S 21
S 21
delay
log MAG
10 ns/
.5 dB/
REF 0 s
REF 0 dB
27 Nov 2006 09:57:17
CH1
S 21
log MAG
CH1 START
.030 000 MHz
5 dB/
REF 0 dB
PRm
PRm
2
Cor
Cor
PRm
Cor
1
START
.030 000 MHz
KR Electronics, Inc.
91 Avenel Street
Avenel, NJ 07001
© 2006, KR Electronics, Inc.
STOP 500.000 000 MHz
STOP 178.000 000 MHz
Web
Email
Phone
Fax
www.krfilters.com
sales@krfilters.com
(732) 636-1900
(732) 636-1982
Page 1
KR Electronics, Inc.
www.krfilters.com
KR 2747
Specifications
Parameter
Specification
Filter type
Lowpass
End of Passband < 1 dB
178 MHz
Attenuation from 204 MHz to 500 MHz
Source & Load
20 dB min, 30 dB typical
50 Ω
Physical Dimensions
Metal Case
Pin 1 is Input Pin 5 is Output
All other Pins are Ground
All leads .030” diameter
Dimensions inches
KR Electronics, Inc.
91 Avenel Street
Avenel, NJ 07001
© 2006, KR Electronics, Inc.
Web
Email
Phone
Fax
www.krfilters.com
sales@krfilters.com
(732) 636-1900
(732) 636-1982
Page 2