Column Control DTX

Correlating Impedance Measurements When Using Test Fixtures

Application Notes

Introduction

The form factors of communication and telecommunication equipment, such as cellular phones, laptop computers and personal digital assistant (PDA) tools, are becoming more compact. This trend is leading the requirements for reduced package sizes of electronic components used in this equipment. In particular, the development of small SMDs (surface mount device) is ongoing for most devices. Currently, markets for SMD case sizes of 0603 (inch) and 0402 (inch) exist for many devices. In addition, markets for 0201(inch) case sizes are also in development.

Operational frequencies are rising. As an example, cellular phones typically operate within the 800 MHz band, while CDMA and Wireless LAN operate in the GHz range. This trend of newer technologies is leading industry requirements for evaluation of electronic components at higher frequencies.

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Column Control DTX