Info
Info
News Article

Cree Reveals Verilog-A RF Device Models To Accelerate GaN Adoption

The products are targeted towards improving 4G/LTE telecom infrastructures. The aim is to quicken time to market and provide rapid simulation of complex waveforms such as W-CDMA and OFDMA


Cree is releasing a new suite of Verilog-A proprietary non-linear device models for its GaN RF devices, developed for use with leading RF design platforms from Agilent ADS and AWR Microwave Office.

The new device models support more complex circuit simulations including modulation envelope analysis for use in the latest innovative broadband and multi-mode RF power amplifiers for 4G cellular telecommunications.

“The release of this new suite of device models enables RF design engineers to predict non-linear performance using harmonic balance, conduct robust transient analysis as well as use ‘real-world’ arbitrary modulation signals with envelope simulation for Cree’s GaN HEMT devices," says Jim Milligan, director RF and microwave, Cree.

“The Verilog-A models, together with envelope simulators, allow designers to directly investigate higher efficiency circuit approaches, such as Doherty amplifiers, to improve adjacent channel power ratios, spectral re-growth and error vector magnitude, while assessing if amplifier performance meets spectral mask requirements for LTE deployments. As these models also take advantage of multi-core processors, simulation times can be greatly reduced."

“Transient analysis allows insight into switched-mode power amplifier configurations that may also be driven directly from digital signals," adds Ray Pengelly, RF business development manager, Cree. “Combined with such approaches as Chireix out-phasing, unprecedented efficiencies of greater than 70 percent have been demonstrated."

The models are available free to Cree’s RF customers. Visit Cree at the 2012 International Microwave Symposium, Booth #2125, to see the latest Cree innovations.

Verilog-A is an industry-standard language used to describe transistor behavior for simulation purposes.



AngelTech Live III: Join us on 12 April 2021!

AngelTech Live III will be broadcast on 12 April 2021, 10am BST, rebroadcast on 14 April (10am CTT) and 16 April (10am PST) and will feature online versions of the market-leading physical events: CS International and PIC International PLUS a brand new Silicon Semiconductor International Track!

Thanks to the great diversity of the semiconductor industry, we are always chasing new markets and developing a range of exciting technologies.

2021 is no different. Over the last few months interest in deep-UV LEDs has rocketed, due to its capability to disinfect and sanitise areas and combat Covid-19. We shall consider a roadmap for this device, along with technologies for boosting its output.

We shall also look at microLEDs, a display with many wonderful attributes, identifying processes for handling the mass transfer of tiny emitters that hold the key to commercialisation of this technology.

We shall also discuss electrification of transportation, underpinned by wide bandgap power electronics and supported by blue lasers that are ideal for processing copper.

Additional areas we will cover include the development of GaN ICs, to improve the reach of power electronics; the great strides that have been made with gallium oxide; and a look at new materials, such as cubic GaN and AlScN.

Having attracted 1500 delegates over the last 2 online summits, the 3rd event promises to be even bigger and better – with 3 interactive sessions over 1 day and will once again prove to be a key event across the semiconductor and photonic integrated circuits calendar.

So make sure you sign up today and discover the latest cutting edge developments across the compound semiconductor and integrated photonics value chain.

REGISTER FOR FREE

VIEW SESSIONS

Info
×
Search the news archive

To close this popup you can press escape or click the close icon.
×
Logo
×
Register - Step 1

You may choose to subscribe to the Compound Semiconductor Magazine, the Compound Semiconductor Newsletter, or both. You may also request additional information if required, before submitting your application.


Please subscribe me to:

 

You chose the industry type of "Other"

Please enter the industry that you work in:
Please enter the industry that you work in:
 
X
Info
X
Info
{taasPodcastNotification}
Live Event