Specs

JFW Industries, Inc.
Phone: 317-887-1340
[email protected]
www.jfwindustries.com
SPECIFICATION SHEET
JFW MODEL 75P-135
RELAY PROGRAMMABLE ATTENUATOR
Frequency Range
DC-1000 MHz
Impedance
75 Ohms nominal
Attenuation Range
0-25.5 dB in 0.1 dB steps
Attenuation Steps
0.1, 0.2, 0.4, 0.8, 1.6, 3.2,
6.4, and 12.8 dB
VSWR
1.4:1 maximum
Attenuation Accuracy
0.1, 0.2, 0.4 dB
± 0.05 dB
0.8, 1.6, 3.2 dB ± 0.1 dB
6.4, 12.8 dB
± 0.15 dB
Accumulated error ± 0.3 dB
Insertion Loss
3.0 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 (8 lines)
TTL Low for Thru Path
TTL High for Attenuation
DC Connector
3M #3793-5303
RF Connector
BNC, F, N, or TNC female
Operating Temperature Range
0ºC to +70ºC
Physical Size
See outline drawing 092-2213
ECR/ECN #
Page 1 of 1
DATE
REV
APPR / DATE
9999
12/08/1998
12/05/2002
A
TRS 12/05/2002
4505
03/04/2004
B
CLV 03/05/2004
ECR/ECN #
JFW FORM E-7-F REV F
DATE
REV
APPR / DATE