Specs

JFW Industries, Inc.
Phone: 317-887-1340
[email protected]
www.jfwindustries.com
SPECIFICATION SHEET
JFW MODEL 75P-180
RELAY PROGRAMMABLE ATTENUATOR
Frequency Range
DC-1000 MHz
Impedance
75 Ohms nominal
Attenuation Range
0-64.5 dB in 0.1 dB steps
Attenuation Steps
0.1, 0.2, 0.4, 0.8, 1, 2, 4, 8, 16, and
32 dB
VSWR
1.5:1 maximum
Attenuation Accuracy
0.1, 0.2, 0.4 dB
0.8, 1, 2, 4 dB
8 dB
16, 32 dB
Accumulated error
Insertion Loss
3 dB maximum
RF Input Power
0.5 Watts average
Switching Speed
10 milliseconds
DC Supply
+12 Vdc @ 30 mA per relay
(8 relays total)
Control (10 lines)
"10-BIT"
TTL "Low" (0-0.8V) for Thru Path
TTL "High" (2.0-5.0V) for Attenuation
DC Connector
Solder Terminals
RF Connector
BNC, F, N, or TNC female
Operating Temperature Range
0ºC to +70ºC
Physical Size
See outline drawing 092-6990
ECR/ECN #
DATE
REV
06/09/2011
Page 1 of 1
APPR / DATE
CLK 06/09/2011
20409
08/03/2011
A
CLK 08/03/2011
21099
01/05/2012
B
CLK 01/05/2012
ECR/ECN #
21244
DATE
02/10/2012
JFW FORM E-7-F REV F
REV
C
±
±
±
±
±
0.05 dB
0.1 dB
0.15 dB
0.25 dB
0.3 dB or 2%
APPR / DATE
BAC 02/10/2012