JFW Industries, Inc.
Phone: 317-887-1340
sales@jfwindustries.com
www.jfwindustries.com
SPECIFICATION SHEET
JFW MODEL 75PA-091
PROGRAMMABLE ATTENUATOR ASSEMBLY
Frequency Range
Configuration
Enclosure Type
Impedance
5-1000 MHz
Single solid-state programmable attenuators
19 inch rack mount @ 2RU high
75 Ohms nominal
Attenuation Range
0-63 dB in 1 dB steps
Startup/Default States
(configurable)
Maximum attenuation (see ATTEN STARTUP command)
DHCP enabled (see NET command)
4 Ethernet users (see NET USERS command
Prompts off (see PROMPT command)
VSWR
1.7:1 maximum
Attenuation Accuracy
(guaranteed monotonic)
0.5 dB or 2% of programmed
(whichever is greater)
Insertion Loss
4.5 dB maximum
2.5 dB typical @ 5 MHz
4.0 dB typical @ 1000 MHz
RF Input Power
Switching Speed
+10 dBm average
20 microseconds typical
(after command is received and processed)
(3 milliseconds typical processing time)
AC Supply
100-240 VAC @ 47-63 Hz
2 Amp 5x20mm "Slo-Blo" AC fuse
Littelfuse#215-002, JFW#025-021
Manual Control
20-Button Keypad and LCD display
(IP Address configurable via keypad)
(Net mask configurable via keypad)
(Gateway configurable via keypad)
(Baud rate configurable via keypad)
Remote Control
Ethernet (DHCP, TCP/IP, 10/100, up to 12 users)
RS-232 (up to 115200 Baud)
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JFW FORM E-7-F REV F