Specs

JFW Industries, Inc.
Phone: 317-887-1340
[email protected]
www.jfwindustries.com
SPECIFICATION SHEET
JFW MODEL 50PA-665
PROGRAMMABLE ATTENUATOR ASSEMBLY
Frequency Range
DC-18 GHz
Configuration
Two individually controlled relay programmable
attenuators
Enclosure Type
19 inch rack mount @ 2RU high
Impedance
50 Ohms nominal
Attenuation Range
0-81 dB in 1 dB steps
Attenuation Steps
1, 2, 4, 4, 10, 20, and 40 dB
Attenuation Repeatability
(each individual cell)
± 0.01 dB typical after 5 millions cycles
Individual Cell Accuracy
1 dB
2 dB
4 dB
10 dB
20 dB
40 dB
±
±
±
±
±
±
0.3 dB
0.7 dB
0.3 dB
0.7 dB
0.4 dB
0.7 dB
± 0.5 dB
± 0.6 dB
± 0.7 dB
± 0.8 dB
± 1.2 dB
± 1.6 dB
DC-12.4 GHz
12.4-18 GHz
DC-12.4 GHz
12.4-18 GHz
DC-12.4 GHz
12.4-18 GHz
DC-12.4 GHz
12.4-18 GHz
DC-12.4 GHz
12.4-18 GHz
DC-12.4 GHz
12.4-18 GHz
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)
VSWR
1.3:1 typical
1.5:1 typical
1.8:1 typical
Insertion Loss
2.1 dB typical @ 4 GHz
2.8 dB typical @ 8 GHz
4.7 dB typical @ 18 GHz
Maximum RF Input Power
1 Watt average
Switching Speed
20 milliseconds
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)
--CONTINUED-Page 1 of 2
JFW FORM E-7-F REV F
DC-8 GHz
8-12.4 GHz
12.4-18 GHz
JFW Industries, Inc.
Phone: 317-887-1340
[email protected]
www.jfwindustries.com
SPECIFICATION SHEET
JFW MODEL 50PA-665
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 female
Operating Temperature Range
0ºC to 50ºC
AC Supply
100-240 VAC @ 47-63 Hz
2 Amp 5x20mm "Slo-Blo" AC fuse
Littelfuse #215-002, JFW #025-021
Physical Size
See outline drawing 092-6980
ECR/ECN #
DATE
REV
05/24/2011
24239
Page 2 of 2
01/29/2015
APPR / DATE
ECR/ECN #
TRS 05/24/2011
A
TRS 01/29/2015
JFW FORM E-7-F REV F
DATE
REV
APPR / DATE