Specs

SPECIFICATION SHEET
JFW MODEL 75PA-068
PROGRAMMABLE ATTENUATOR ASSEMBLY
JFW Industries, Inc.
Phone: 317-887-1340
[email protected]
www.jfwindustries.com
Frequency Range
DC-1000 MHz
Configuration
Four individually controlled relay
programmable attenuators
Enclosure Type
19 inch rack mount @ 2RU high
Impedance
75 Ohms nominal
Attenuation Range
0-63.75 dB in 0.25 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
1.6:1 maximum
Attenuation Accuracy
0.25, 0.5, 1, 2 dB ± 0.1
4, 8 dB
± 0.2
16, 32 dB
± 0.4
Accumulated Error
± 0.5
(whichever is greater)
Insertion Loss
2.5 dB maximum
RF Input Power
0.5 Watts average
Switching Speed
10 milliseconds 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
dB
dB
dB
dB or 1.5%
JFW Industries, Inc.
Phone: 317-887-1340
[email protected]
www.jfwindustries.com
SPECIFICATION SHEET
JFW MODEL 75PA-068
PROGRAMMABLE ATTENUATOR ASSEMBLY
Remote Commands
Attenuator Control Commands:
Atten, Set Attenuator, Read Attenuator, Set
All Attenuators, Read All Attenuators, Read
All Extended, Block, Set Block, Read Block,
Read All Blocks
System Commands:
Help, Identification, Store, Recall, Pause,
Net, Serial, Close, Disconnect, MOTD, Date,
Message, Restrict, IDENT, Name, Show Users,
Reboot, Uptime, Prompt
RF Connector
F female
Operating Temperature Range
0ºC to +50ºC
Physical Size
See outline drawing 092-7773
ECR/ECN #
DATE
REV
07/26/2013
24239
Page 2 of 2
07/03/2014
APPR / DATE
ECR/ECN #
TRS 07/26/2013
A
TRS 07/03/2014
JFW FORM E-7-F REV F
DATE
REV
APPR / DATE