Mini-Circuits’ RUDAT-6000-90 is a general purpose programmable RF attenuator supporting frequencies
from 1 to 6000 MHz with attenuation from 0 to 90 dB in 0.25 dB steps. Its unique design maintains linear
attenuation change per dB, even at the highest attenuation settings. The attenuator is controlled via USB
or RS232 ports. It comes housed in a compact, shielded metal case with SMA(F) input and output ports, a
USB type Mini-B power and control port, and a 9-pin D-sub(F) RS232 port.
The RUDAT-6000-90 is supplied with our easy-to-install, user-friendly GUI software, API objects for
Windows
®
environments, and complete programming instructions for 32 and 64 bit Windows
®
and Linux
®1
operating systems. See p. 7 for a complete list of included accessories.
Key Features
Feature
USB control
RS232 control
Plug-and-Play – no additional
device drivers required.
90 dB attenuation range.
High linearity
Compact size,2.0 x 3.0 x 0.6”
Advantages
The RUDAT-6000-90 can be controlled from any Windows
®
or Linux
®
computer with a USB
connection. The device draws all power requirements through the USB port.
The user may also control the RUDAT-6000-90 via RS232 connection, allowing serial
communication with the device.
Fast and easy setup and installation. The RUDAT-6000-90 interfaces with various third-
party software, making it easy to integrate into existing setups.
The RUDAT-6000-90 provides high-accuracy attenuation up to 90 dB in 0.25 dB steps,
allowing the user precise level control over a broad attenuation range.
Typical input IP3 of +50 dBm up to 6000 MHz
Pocket-sized profile allows portability and repeatable configurations.
1
Windows is a registered trademark of Microsoft Corporation in the United States and other countries. Linux is a registered trademark of Linus Torvalds. Neither
Mini-Circuits nor the Mini-Circuits RUDAT-series attenuators are affiliated with or endorsed by the owners of the above referenced trademarks
Mini-Circuits and the Mini-Circuits logo are registered trademarks of Scientific Components Corporation.
www.minicircuits.com
P.O. Box 35166, Brooklyn, NY 11235-0003 (718) 934-4500 sales@minicircuits.com
Mini-Circuits
®
Page 1 of 7
USB / RS232
Programmable Attenuator
50Ω
0 – 90 dB, 0.25 dB step 1 to 6000 MHz
• USB or RS232 control
• Very good attenuation accuracy, ±0.9 dB typ.
• High speed attenuation switching (650 ns)
• Excellent RF shielding
• Plug & Play device – no drivers required
• User-friendly Windows
®
Graphical User Interface
•
Supports a wide range of programming environments
(See application note
AN-49-001
for details)
• Optional mounting bracket
RUDAT-6000-90
Features
Case Style: MS1813
Model P/N
RUDAT-6000-90
Installation CD
Description
USB / RS232
Programmable
attenuator
Price
$695 ea.
Applications
•
Laboratory instrumentation
• Production test equipment
• Control systems
Accessories Included
USB-AC/DC-5
MUSB-CBL-3+
D-Sub9-MF-6+
PC-DAT-CD
AC/DC 5V adapter
2.6 ft. USB cable
6 ft. 9 pin D-Sub cable
Software Installation CD
RoHS Compliant
See our web site for RoHS Compliance
methodologies and qualifications
Mini-Circuits Graphical User Interface for RUDAT-Series Programmable Attenuator
RUDAT GUI screen (USB control)
RUDAT GUI screen (RS232 control)
For programming instructions, see
programming guide
on Mini-Circuits’ website.
www.minicircuits.com
P.O. Box 35166, Brooklyn, NY 11235-0003 (718) 934-4500 sales@minicircuits.com
Mini-Circuits
®
Rev. OR
M140091
EDR-10948/1
RUDAT-6000-90
RAV
140223
Page 2 of 7
USB/RS232
Programmable Attenuator
Electrical Specifications at 0°C to 50°C
Parameter
Attenuation range
RUDAT-6000-90
Typ.
−
±0.2
±0.6
±0.7
±1.0
±1.5
Frequency range
1 - 6000 MHz
Conditions
0.25 dB step
@ 0.25 - 10 dB
@ 10.25 - 20 dB
Min.
0
−
−
−
−
Max.
90
±(0.2+10% of nominal value)
±(0.7+7% of nominal value)
±(1.25+3% of nominal value)
±(0.9+4% of nominal value)
±(2.2+2% of nominal value)
7.5
12
−
−
−
−
−
−
−
−
−
−
−
5.25
80
Units
dB
Attenuation accuracy
2
1 - 6000 MHz
@ 20.25 - 40 dB
@ 40.25 - 60 dB
@ 60.25 - 90 dB
dB
Insertion Loss
Isolation In-Out
Input power @ 0.2 dB
compression
4
IP3 Input
3
1 - 3000 MHz
3000 - 6000 MHz
1 - 6000 MHz
1 - 10 MHz
10 - 6000 MHz
1 - 6000 MHz
1 - 500 MHz
@ 0 dB
@ Power on
@ 0 dB
@ 0 dB setting
(P
IN
=+10 dBm)
@ 0 - 20 dB
@ 20.25 - 90 dB
@ 0 - 20 dB
@ 20.25 - 90 dB
@ 0 - 20 dB
@ 20.25 - 90 dB
−
via USB port
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
4.75
−
5.0
8.0
100
+10
+20
+50
1.25
1.05
1.20
1.10
1.3
1.60
650
5
60
Meets RS232 standard
dB
dB
dBm
dBm
VSWR
500 - 4000 MHz
:1
4000 - 6000 MHz
Switching
Speed
5
−
−
−
−
nSec
V
mA
V
Supply Voltage
USB current draw
RS232 logic levels
6
2
Max
accuracy defined as ±[absolute error+% of attenuation setting] for example when setting the attenuator to 80 dB attenuation the maximum error will be:
±(2.2+0.02x80)= ±(2.2+1.6)= ± 3.8 dB
3
Tested with 1 MHz span between signals.
4
Do not exceed Maximum input power limits noted below.
5
Specified without communication delays. Communication delays vary by computer.
6
RS232 communications set to 9600 bps; 8 bit word; no parity; stop bit = ‘1’.
Minimum System Requirements
Interface
Host operating system -
USB Control
Host operating system -
RS232 Control
Hardware
7
Pentium
®
Absolute Maximum Ratings
Operating Temperature
Storage Temperature
Voltage input at RS232 receive pin
Voltage input at RS232 transmit pin
V
USB
Max.
RF power @ 10 to 6000 MHz
RF power @ 1 MHz to 10 MHz
0°C to 50°C
-20°C to 60°C
-30V to +30V
0V to +4V
6V
+23 dBm
+13 dBm
USB HID or RS232 protocols
Windows 32/64 Bit operating system:
Windows 98
®
,
Windows XP
®
, Windows Vista
®
, Windows 7
®
, Windows 8
®
Linux
®
support:
32/64 Bit operating system
8
Any computer with a serial port and RS232 support
Pentium
®
II or better
7
is a registered trademark of Intel Corporation
Permanent damage may occur if any of these limits are exceeded.
www.minicircuits.com
P.O. Box 35166, Brooklyn, NY 11235-0003 (718) 934-4500 sales@minicircuits.com
Mini-Circuits
®
Page 3 of 7
USB/RS232
Programmable Attenuator
Block Diagram
9 pin
D-Sub
(RS232)
Not
Connected
(6)
GND (5)
(7)
NC (4)
(8)
Receive (3)
(9)
RUDAT-6000-90
Connections
RF IN
(SMA female)
(SMA female)
(USB type Mini-B female)
(9 Pin D-Sub female)
USB type
USB type
Mini-B
(USB & Power)
Mini-B
RF OUT
USB
RS232*
MICROCONTROLLER
Control
Transmit (2)
SMA(F)
RF IN, 50Ω
RF
IN
Digital Step
Attenuator
NC (1)
Control
*9 Pin D-Sub
Pin Connections
Pin Number
Function
Transmit
Receive
GND
Not Connected
RF
OUT
SMA(F)
RF OUT, 50Ω
2
3
5
Outline Drawing (MS1813)
1,4,6-9
st Equipment\USB attenuator\SchematicsRUDAT_Diagram_8.vsd
Outline Dimensions (
inch
)
mm
A
3.00
76.2
B
2.00
50.8
C
0.60
15.24
D
0.28
7.1
E
0.50
12.7
F
1.700
43.18
G
2.700
68.58
H
0.188
4.76
J
2.00
50.80
K
1.625
41.28
L
0.188
4.76
M
0.144
3.66
N
3.75
95.25
O
3.375
85.72
P
0.100
2.54
WT.
GRAMS
130
www.minicircuits.com
P.O. Box 35166, Brooklyn, NY 11235-0003 (718) 934-4500 sales@minicircuits.com
Mini-Circuits
®
Page 4 of 7
USB/RS232
Programmable Attenuator
Typical Performance Curves
Insertion Loss @ Input Power 0dBm
Insertion Loss @
over Temperatures
vs. Frequency
Input Power=0dBm
@ 0°C
@ +25°C
@ +50°C
RUDAT-6000-90
Insertion Loss @ Input Power +20 dBm
vs. Frequency over
Power=+23dBm
Insertion Loss @ Input
Temperatures
@ 0°C
@ +25°C
@ +50°C
12
12
Insertion Loss (dB)
8
6
4
2
0
1
1000
Insertion Loss (dB)
2000
3000
4000
5000
6000
10
10
8
6
4
2
10
0
1000
2000
3000
4000
5000
6000
Frequency (MHz)
Frequency (MHz)
2.4
2.2
Output
VSWR @ +25°C
Ouput
VSWR @ +25°C
vs. Frequency over Attenuation
settings
vs. Frequency
Attenuation
settings
Atten. Setting 0.25 dB
Atten. Setting 15 dB
Atten. Setting 45 dB
Atten. Setting 75 dB
Atten. Setting 10 dB
Atten. Setting 30 dB
Atten. Setting 60 dB
Atten. Setting 90 dB
2.4
2.2
Input VSWR
@ +25°C
Input VSWR
@ +25°C
vs. Frequency over Attenuation
settings
vs. Frequency over Attenuation
settings
Atten. Setting 0.25 dB
Atten. Setting 15 dB
Atten. Setting 45 dB
Atten. Setting 75 dB
Atten. Setting 10 dB
Atten. Setting 30 dB
Atten. Setting 60 dB
Atten. Setting 90 dB
Output VSWR (:1)
1.8
1.6
1.4
1.2
1.0
0
1
1000
1000
2000
2000
3000
3000
4000
4000
5000
5000
6000
6000
Input VSWR (:1)
2.0
2.0
1.8
1.6
1.4
1.2
1.0
0
1
1000
1000
2000
3000
4000
2000
3000
4000
Frequency (MHz)
5000
5000
6000
6000
Frequency (MHz)
60
55
Input IP3 @ 0dB Attenuation
vs. Frequency over Temperatures
IP3 @ 0dB Attenuation
IP3 (dBm)
50
45
40
35
@ 0°C
@ +25°C
@ +50°C
1
0
1000
1000
2000
2000
3000
3000
4000
4000
5000
5000
6000
6000
Frequency (MHz)
www.minicircuits.com
P.O. Box 35166, Brooklyn, NY 11235-0003 (718) 934-4500 sales@minicircuits.com
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