Design Con 2015
Breaking News
Comments
Newest First | Oldest First | Threaded View
VNP
User Rank
Rookie
re: Qualcomm pits CMOS against GaAs for cellphone front ends
VNP   3/16/2013 2:08:31 PM
NO RATINGS
This article describes only the tip of the iceberg. The whole story is that Qualcomm has implemented in the digital domain envelope tracking technique along with digital predistortion. It is important note especially if we talk about LTE standard with carrier aggregation. So, RF DSP rules.

Traces
User Rank
Rookie
re: Qualcomm pits CMOS against GaAs for cellphone front ends
Traces   3/15/2013 5:51:05 PM
NO RATINGS
Doesn't matter, dude, esp. for protocols where the pdf peaks well below the maximum transmitted power. Can GaAs PAs compete with drain modulated CMOS at Pmax-20dB?

Rchandta1
User Rank
Rookie
re: Qualcomm pits CMOS against GaAs for cellphone front ends
Rchandta1   3/15/2013 3:41:56 PM
NO RATINGS
What is the efficiency of CMOS PA? GaAs and GaN PAs are known for higher power efficiency.



Flash Poll
Top Comments of the Week
Like Us on Facebook
EE Times on Twitter
EE Times Twitter Feed

Datasheets.com Parts Search

185 million searchable parts
(please enter a part number or hit search to begin)
EE Life
Frankenstein's Fix, Teardowns, Sideshows, Design Contests, Reader Content & More
Max Maxfield

Want to Present a Paper at ESC Boston 2015?
Max Maxfield
8 comments
I tell you, I need more hours in each day. If I was having any more fun, there would have to be two of me to handle it all. For example, I just heard that I'm going to be both a speaker ...

Martin Rowe

No 2014 Punkin Chunkin, What Will You Do?
Martin Rowe
Post a comment
American Thanksgiving is next week, and while some people watch (American) football all day, the real competition on TV has become Punkin Chunkin. But there will be no Punkin Chunkin on TV ...

Rich Quinnell

Making the Grade in Industrial Design
Rich Quinnell
12 comments
As every developer knows, there are the paper specifications for a product design, and then there are the real requirements. The paper specs are dry, bland, and rigidly numeric, making ...

Martin Rowe

Book Review: Controlling Radiated Emissions by Design
Martin Rowe
1 Comment
Controlling Radiated Emissions by Design, Third Edition, by Michel Mardiguian. Contributions by Donald L. Sweeney and Roger Swanberg. List price: $89.99 (e-book), $119 (hardcover).