Specs

JFW Industries, Inc.
Phone: 317-887-1340
[email protected]
www.jfwindustries.com
SPECIFICATION SHEET
JFW MODEL 50PA-857
PROGRAMMABLE ATTENUATOR ASSEMBLY
Frequency Range
200-6000 MHz
Configuration
36 individually controlled solid-state
programmable attenuators
Enclosure Type
19 inch rack mount @ 4RU high
Impedance
50 Ohms nominal
Attenuation Range
0-63 dB in 1 dB steps
Startup/Default States
Maximum attenuation (see ATTEN STARTUP command)
DHCP enabled (see NET command)
4 Ethernet users (see NET USERS command)
Prompts off (see PROMPT command)
VSWR
1.8:1 maximum
1.6:1 maximum
Attenuation Accuracy
(guaranteed monotonic)
± 0.50 dB
1-3 dB
± 0.75 dB
4-7 dB
± 1.00 dB
8-11 dB
± 1.25 dB or 4% 12-63 dB
(whichever is greater)
Insertion Loss
6 dB maximum
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)
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)
--CONTINUED-Page 1 of 2
JFW FORM E-7-F REV F
200-800 MHz
800-6000 MHz
JFW Industries, Inc.
Phone: 317-887-1340
[email protected]
www.jfwindustries.com
SPECIFICATION SHEET
JFW MODEL 50PA-857
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
Physical Size
See outline drawing 092-7928
ECR/ECN #
DATE
REV
02/12/2014
24239
Page 2 of 2
06/27/2014
APPR / DATE
ECR/ECN #
TRS 02/12/2014
A
TRS 06/27/2014
JFW FORM E-7-F REV F
DATE
REV
APPR / DATE