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The size of a deck of cards, the USB-powered Planar R140 VNA is a 1-port VNA capable of measuring S11 from 85 MHz to 14 GHz and designed for use with with any Windows PC or laptop. Its compact form factor oftentimes enabled direct connection to the device under test, eliminating uncertainty associated with a test cable prone to flexure and damage. The free, lightweight VNA application connects to the R140 with a standard USB cable, creating a future-proof solution that significantly enhances ease of use compared with conventional instruments.

The R140 provides a wide variety of analysis capabilities, including time-domain with gating and DTF measurements at no additional cost. Collection of metrology-grade S-parameter test results can be achieved manually or through automation in Python, MATLAB, Excel, C++, VB.NET, or LabVIEW.
Frequency range: 85 MHz to 14 GHz
Measured parameters: S11 as Log magnitude, DTF, Smith, and more
Sweep types: Linear frequency, log frequency, segment
Effective directivity: 45 dB below 4.8 GHz; 36 dB up to 14 GHz
Measurement speed: 200 µs per point
Output power setting: High or Low
Up to 100,001 measurement points per sweep
Applications of the R140 include antenna matching, cable and connector quality control, antenna production quality assurance, field testing and troubleshooting of cables, material measurements, and many others. Curious to see what other users think of this device?
Data Sheets
R140 Data Sheet
Manuals
R140 Operating Manual
R140 Programming Manual
Software
R140 Installer
(v2.5.9; July 29, 2015)
R140 Simulator/Demo
(v2.5.9; July 29, 2015)
R140 Software Release Notes
Test Automation
R140 Code Examples r2.5.6
LabVIEW Driver r0.8.13
Programming Guides v3.49