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
EE Life
Frankenstein's Fix, Teardowns, Sideshows, Design Contests, Reader Content & More
The Engineering Life - Around the Web
Terry Cutler, CTO, Digital Locksmiths

The USB Keys in the Urinal
Terry Cutler, CTO, Digital Locksmiths
Post a comment
Security is a major obsession today, particularly as the industry makes the shift from traditional, standalone devices to the design of connected, networked systems that are “always ...

Engineer's Bookshelf
Caleb Kraft

The Martian: A Delightful Exploration of Math, Mars & Feces
Caleb Kraft
6 comments
To say that Andy Weir's The Martian is an exploration of math, Mars, and feces is a slight simplification. I doubt that the author would have any complaints, though.

Design Contests & Competitions
Caleb Kraft

Join The Balancing Act With April's Caption Contest
Caleb Kraft
58 comments
Sometimes it can feel like you're really performing in the big tent when presenting your hardware. This month's caption contest exemplifies this wonderfully.

Engineering Investigations
Caleb Kraft

Frankenstein's Fix: The Winners Announced!
Caleb Kraft
8 comments
The Frankenstein's Fix contest for the Tektronix Scope has finally officially come to an end. We had an incredibly amusing live chat earlier today to announce the winners. However, we ...

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)