TMS Test Services

USA

TMS Test Services is a measurement company.   We offer our customers a cost-effective solution for semiconductor characterization and training. We provide engineers with the critical measurements necessary to complete their RF design. 

 

Capabilities:

-DC Screening (DCIV)

  • On Wafer, On PCB, or Connectorized
  • Fixture development

-S parameter measurements

  • Device characterization
  • Design validation
  • Model characterization/ validation
  • Assist with on-wafer calibration structures

-Power Load Pull

  • Fixture design for packaged devices
  • Fundamental source, second harmonic load, CW and pulsed

-On Wafer Load Pull- 67 GHz

  • Source: fundamental, second and third harmonic
  • Load: fundamental, second and third harmonic
  • CW, Pulsed and Modulated

-Packaged Fixture design

-Software automation tools- Z tools

  • DCIV
  • S parameter toolkit

Services

RF Semiconductor Validation

Let TMS Test Services help you with your measurements driven RF design loop.  

 

Measured data replaces assumptions

  • Captures true parasitic, loss, and imbalance
  • Reveals sensitivity to layout, packaging, and assembly
  • Enables statistical—not nominal—design decision

On Wafer Training

We offer small group, hands on educational classes focused on teaching the advanced concepts of RF probing and load pull.    Theory and proper measurement techniques are reinforced with hands on learning.  Classes are limited to 4-6 students.  We offer an additional day (s) of mentorship where students bring in samples for supervised measurements and discuss advanced topics related to their sample, such as fixture design, on wafer de embedding, and appropriate calibration techniques.

 

Topics include:

  • Probing 101
  • S- parameter and RF on wafer measurement basics
  • Advanced RF measurement and calibration techniques
  • Fundamentals of load pull
  • Mentorship

Software Automation Tools

TMS Test Services has developed a collection of algorithms we use in our day to day measurements and put them under one GUI called Z Tools.

  • S parameter Display Manipulation
  • DC Screening (DCIV)
  • Cable analysis and Uncertainty
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