White Papers

PMTL™, A New High Speed Transmission Line Technology

In this paper we present the new patent pending transmission line technology, PMTL™ that promises to revolutionize PCB and CMOS interconnects as well as improving the fidelity of testing connectivity and parallelism across the spectrum. We will compare the electrical performance of the PMTL™ with other similar transmission lines such as microstrip, stripline, and CPW and show that it provides superior performance with best signal integrity. We will also provide some photographs of the samples to demonstrate some possible applications of the PMTL™ technology for uFlex cable, and buses, wideband wafer probes, universal test sockets and as a means for ATE tower top simplification and providing high fidelity testing connecting.
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Advances in High-Performance Ceramic Antennas for Small-Form-Factor, Multi-Technology Devices

Two trends are well underway in portable and handheld consumer electronic devices: shrinking form factors and the integration of multiple wireless technologies, such as Bluetooth™, cellular, GPS and Wi-Fi. These trends create challenges for device vendors and integrators by increasing the likelihood of RF noise and other system interactions that can undermine antenna performance.
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LTE Ready Backhaul

This paper looks at the evolution of the mobile backhaul network and the very network that will eventually carry the increasing broadband traffic.
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Designing RF, Mixed-technology Printed Circuit Boards

Printed circuit boards with both analog and digital circuitry are nearly universal. Recently, integration of RF circuitry in addition to the mixed analog and digital circuits has become more common. Problems arise because the PCB design tools have been ignorant of RF shapes printed on the board and a great deal of manual work was required to achieve a functioning product. Mentor has teamed with RF Design Tool suppliers, such as Agilent, to bring to market the first integrated RF-PCB system tool.
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