Product Specification LDA-102/LDA-602
Lab Brick® Digital Attenuator
General Description
Lab Brick Digital Attenuators are 50 Ohm RF step attenuators with calibrated operation up to 6 GHz. These units
require connection to a USB port for control and power. No other external DC supply voltage is required. Lab
Brick Digital Attenuators are easily programmable for fixed attenuation or attenuation ramping directly from the
included GUI.
Features/Benefits
> USB powered and controlled
> Includes easy to install and use GUI
> Programmable attenuation ramp
> Operate multiple devices directly from a PC or
self powered USB hub
> Easily programmable for ATE applications
> Robust aluminum construction
Applications
> Automated Test Equipment (ATE)
> Engineering Lab
> Production Test
Vaunix Technology Corporation
242 Neck Road
Haverhill, MA 01835
978-662-7839
www.Vaunix.com
www.LabBrick.com
Product Specification LDA-102/LDA-602
Electrical
Operating Frequency
Insertion Loss
Attenuation Range
Attenuation Step Size
Programmable Step Size
Resolution
Attenuation Accuracy
Input / Output VSWR
Input Power for 0.1 dB
Compression
Input 3rd Order Intercept
Point
Operating Modes
DC Power
GUI Compatibility
2
3
LDA-102
0.1 to 1000 MHz
0.1 to 100 MHz : 6 dB max.
100 to 1000 MHz: 7 dB max.
0 to 63 dB
Programmable: 0.5 dB min.
63 dB max.
0.5 dB
± 0.3 + 5% of Atten. Setting, dB max.
0 dB Atten. Setting: 2.0:1 max.
0.5 dB Atten. Setting: 1.7:1 max.
All Other Settings: 1.5:1 max.
+22 dBm typ.
0 dB Atten. Setting: +46 dBm typ.
All Other Settings: +32 dBm typ.
Fixed Attenuation
Automatic Stepping
via USB
WindowsTM2000/XP/Vista
LDA-602
6 to 6000 MHz
6 to 1000 MHz: 7 dB max.
1000 to 2000 MHz: 8 dB max.
2000 to 4000 MHz: 9 dB max.
4000 to 6000 MHz: 10 dB max.
0 to 63 dB
Programmable: 0.5 dB min.
63 dB max.
0.5 dB
± 0.3 + 5% of Atten. Setting, dB max.
0 dB Atten. Setting: 2.0:1 max.
0.5 dB Atten. Setting: 1.8:1 max.
All Other Settings: 1.5:1 max.
+22 dBm typ.
0 dB Atten. Setting: +46 dBm typ.
All Other Settings: +32 dBm typ.
Fixed Attenuation
Automatic Stepping
via USB
WindowsTM2000/XP/Vista
Mechanical
Length
Width
Height
Weight
RF Connectors
USB Cable
4
Notes
1. These specifications are subject to change without notice.
2. Customized models are available tailored to specific performance requirements.
3. The GUI software is included with the purchase of each Lab Brick Digital Attenuator.
4. A 6’ USB cable is included with the purchase of each Lab Brick Digital Attenuator.
Vaunix Technology Corporation
242 Neck Road
Haverhill, MA 01835
978-662-7839
www.Vaunix.com
3.86" (98mm)
2.52" (64mm)
1.35" (34mm)
< 0.5 lbs (0.23 Kg)
SMA-F
USB 2.0 A to Mini B
www.LabBrick.com
3.86" (98mm)
2.52" (64mm)
1.35" (34mm)
< 0.5 lbs (0.23 Kg)
SMA-F
USB 2.0 A to Mini B
Product Specification LDA-102/LDA-602
LDA-102 No rmalized Attenuation
0
-10
-20
-30
-40
-50
-60
Normalized Attenuation (dB)
-70
0 100 200 300 400 500 600 700 800 900 1000
Frequency (MHz)
LDA-102 Insertion Loss (dB)
0
-2
-4
-6
-8
-10
-12
-14
Insertion Loss (dB)
-16
-18
-20
0 100 200 300 400 500 600 700 800 900 1000
Frequency (MHz)
10 dB
20 dB
30 dB
40 dB
50 dB
60 dB
LDA-602 Norm alized Attenuation
0
-10
-20
-30
-40
-50
-60
Normalized Attenuation (dB)
-70
0 1000 2000 3000 4000 5000 6000
Frequency (MHz)
LDA-602 Insertion Loss
0
-2
-4
-6
-8
-10
-12
-14
Insertion Loss (dB)
-16
-18
-20
0 1000 2000 3000 4000 5000 6000
Frequency (MHz)
10 dB
20 dB
30 dB
40 dB
50 dB
60 dB
LDA-102 Input/Output Return Loss
0
-5
-10
-15
-20
-25
-30
-35
Return Loss (dB)
-40
-45
-50
0 100 200 300 400 500 600 700 800 900 1000
Frequency (MHz)
Vaunix Technology Corporation
242 Neck Road
Haverhill, MA 01835
978-662-7839
www.Vaunix.com
0
-5
-10
-15
0 dB
-3 dB
-10 dB
-20
-25
-30
-35
Return Loss (dB)
-40
-45
-50
0 1000 2000 3000 4000 5000 6000
www.LabBrick.com
LSA-602 Input/Output Return Loss
0 dB
-3 dB
-10 dB
Frequency (MHz)
Product Specification LDA-102/LDA-602
Mechanical Outline
Ordering Information
For price, delivery and order placement please contact Vaunix Technology Corporation:
242 Neck Road Haverhill, MA 01835 Phone: 978-662-7839 Fax: 978-662-7842
or visit www.labbrick.com to order online
Vaunix Technology Corporation
242 Neck Road
Haverhill, MA 01835
978-662-7839
www.Vaunix.com
www.LabBrick.com
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