JFW Industries, Inc.
Phone: 317-887-1340
sales@jfwindustries.com
www.jfwindustries.com
SPECIFICATION SHEET
JFW MODEL 50R-234
ROTARY ATTENUATOR
Frequency Range
Impedance
DC-2550 MHz
50 Ohms nominal
Attenuation Range
VSWR
0-100 dB in 10 dB steps
1.3:1 maximum DC-1000 MHz
1.5:1 maximum 1000-1500 MHz
1.7:1 maximum 1500-2550 MHz
Insertion Loss
1 dB maximum
Attenuation Accuracy
0.5 dB or 2% DC-1000 MHz
0.5 dB or 3% 1000-1500 MHz
0.5 dB or 4% 1500-2550 MHz
(whichever is greater)
RF Input Power
2 Watts average
1000 Watts peak
Direction of Rotation
Attenuation increases in a Clockwise
direction
Indexing
30 degrees
RF Connector
N or SMA female
Operating Temperature Range -20ºC to +85ºC
Lifetime
500,000 attenuation steps
Knob/Panel Mounting Drawing 092-8435-01
Outline Drawings
092-2275 (50R-234 SMA)
092-6200-03 (50R-234 N)
092-6200-04 (50R-234 N/SMA)
ECR/ECN # DATE
REV APPR / DATE
B
ECR/ECN # DATE
REV APPR / DATE
855
9999
10/09/1997
05/01/2003
07/02/2009
23479
25776
28157
11/26/2013
E
F
G
TRS 11/27/2013
TRS 09/29/2015
TRS 10/05/2017
C
D
TRS 05/16/2007
TRS 07/02/2009
09/28/2015
10/05/2017
17378
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JFW FORM E-7-F REV F