Spec Sheet Printout

SPECIFICATION SHEET
JFW MODEL 50PA-128-XX
PROGRAMMABLE ATTENUATOR ASSEMBLY
JFW Industries, Inc.
Phone: 317-887-1340
[email protected]
www.jfwindustries.com
Frequency Range
200-6000 MHz
Attenuation Range
0-95 dB in 1 dB steps
Configuration
Individually controlled solid-state programmable
attenuators. Number of attenuators can be selected
from 1 to 8 attenuators.
Enclosure Type
19 inch rack mount
2RU high (for 1-8 attenuators)
Impedance
50 Ohms nominal
Startup/Default States
(configurable)
Maximum attenuation (see ATTEN command)
DHCP enabled (see NET command)
4 Ethernet users (see NET command)
Prompts off (see PROMPT command)
All of these default settings can be changed by user.
Unit can be configured for up to 12 Ethernet users.
VSWR
2.0:1 maximum
< 1.9:1 typical 200-700 MHz
< 1.6:1 typical 700-6000 MHz
Attenuation Accuracy
± 0.50 dB
1-3 dB
± 0.75 dB
4-7 dB
± 1.00 dB
8-11 dB
± 1.25 dB or 4% 12-95 dB
(whichever is greater)
(guaranteed monotonic)
Insertion Loss
8.5
4.0
4.5
8.2
RF Input Power
+20 dBm average
+25 dBm no damage
Switching Speed
1 microsecond typical
(after command is received and processed)
(3 milliseconds typical processing time)
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)
dB
dB
dB
dB
maximum
typical @ 200 MHz
typical @ 700 MHz
typical @ 6000 MHz
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JFW FORM E-7-F REV F
JFW Industries, Inc.
Phone: 317-887-1340
[email protected]
www.jfwindustries.com
SPECIFICATION SHEET
JFW MODEL 50PA-128-XX
PROGRAMMABLE ATTENUATOR ASSEMBLY
Remote Commands
Attenuator Control Commands:
Atten, Set Attenuator, Read Attenuator, Set All
Attenuators, Read All Attenuators, Read All Extended,
Fade Attenuator, Variable Attenuator Handover, Block,
Set Block, Read Block, Read All Blocks, Fade Block,
Variable Block Handover
System Commands:
Help, Identification, Store, Recall, Pause, Net,
Serial, Close, Disconnect, MOTD, Date, Message,
Restrict, IDENT, Name, Show Users, Reboot, Uptime,
Prompt
RF Connector
SMA or N female
Operating Temperature Range
0ºC to +50ºC
AC Supply
100-240 VAC @ 47-63 Hz
Outline Drawing Numbers
092-8261 (N female,
1-8 attenuators)
092-8262 (SMA female, 1-8 attenuators)
Example Model Numbers
50PA-128-01
50PA-128-02
50PA-128-03
50PA-128-04
50PA-128-05
50PA-128-06
50PA-128-07
50PA-128-08
50PA-128-01
50PA-128-08
ECR/ECN #
DATE
06/01/2015
Page 2 of 2
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APPR / DATE
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
N
N
ECR/ECN #
TRS 06/01/2015
JFW FORM E-7-F REV F
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attenuators)
attenuators)
attenuator)
attenuators)
DATE
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