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Jobs difference btw RFIC and RF Systems - RF Cafe Forums
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Waverider Post subject: Jobs difference btw RFIC and RF Systems
Posted: Sat Apr 22, 2006 3:03 pm
Captain
Joined: Sat
Apr 22, 2006 2:37 am Posts: 6 Location: SoUtH EaSt of AsIa
Hello,
I would like to ask the general job scopes difference
between RFIC design and RF systems design.
As far as what I know:
1. RFIC design Tx/Rx chain components' transistor circuits design,
such as mixer, LNA and PA circuits by extensive use of software simulations.
2. RF Systems design Transmitter and receiver chain architectures
design on blocks level, performance analysis on selecticity, sensitivity,
dynamic range, system IP3, etc. Link budget analysis also falls under
this specific job scope.
What are the rest of difference between
these 2 positions in terms of RF knowledge required and daily engineering
jobs?
I realize that the trend is shifting from PC boards to
transceiver system on IC, but I like to know how these 2 positions differ
in these contexts. Say, how is RF System designer's job scope in transceiver
system IC design?
I have been working as engineer in RF/wireless
industry for about 3 years, and most of my experience are test and measurements.
I have strong interest on RF/Wireless communications and I am thinking
it's time for me to move into RF design environment by pursuing MSEE.
Thus, I need some directions on RF design job natures. Appreciate
the helps.
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RFDave Post subject: Posted: Sat
Apr 22, 2006 11:21 pm
Captain
Joined: Sat Apr 22,
2006 11:14 pm Posts: 10 An RFIC Design Engineer will be doing
transistor level design of circuits, working to meet block level specifications
established by the RF System's Engineer.
An RF Systems Engineer
will be reading the 2000 page specification to determine what the relevant
RF specifications are, and selecting a transceiver architecture that
will meet the specifications. Once the Transceiver architecture is selected,
he will work to establish the block level specifications that the RFIC
design engineers need.
Dave
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Waverider
Post subject: Posted: Sun Apr 23, 2006 3:33 am
Captain
Joined: Sat Apr 22, 2006 2:37 am Posts: 6 Location: SoUtH
EaSt of AsIa Thanks RFDave, other questions I would like to ask
about RF Systems are:
1. Do RF Systems engineers use some softwares
to perform block level architecture designs and simulations? 2. How
are the general process flow for architecture design/selection and for
block level specifications formulation? 3. Another thing is decision
on selection of digital modulation technique falls under RF Systems
as well?
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RFDave Post subject: Posted: Mon
Apr 24, 2006 7:44 pm
Captain
Joined: Sat Apr 22,
2006 11:14 pm Posts: 10 Hi:
1-I generally use a combination
of Excel and ADS to do the block level work. 2-The design process
flow is really driven by cost and die size. I'm working in a high volume
market, so it's really a decision between a Zero IF and a Low IF receiver.
On the transmitter side, it's a similar approach. 3-Modulation is
driven by the specification that you are working with.
Dave
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Waverider Post subject: Posted: Sun Apr 30,
2006 9:15 am
Captain
Joined: Sat Apr 22, 2006 2:37 am
Posts: 6 Location: SoUtH EaSt of AsIa Thanks again for the answers.
My last question is what are the aptitudes and qualifications
(field of knowledge) a person must have in general in order to become
a good RF systems engineer?
Anyone's inputs are most welcomed.
Top
IR Post subject: Posted: Sun Apr 30, 2006 2:35
pm
Site Admin
Joined: Mon Jun 27, 2005 2:02 pm
Posts: 373 Location: Germany Hello WaveRider,
A good System
RF Engineer must have a good system knowledge not just in the field
of RF but in other fields as SW, Digital Design etc. His knowledge should
encompass the entire system aspects and at the same time he should be
able to dive into each block that is part of the system. The RF System
Engineer should be familiar and up-to-date with the newest technologies
availabe in the market.
Hope this answers your question!
_________________ Best regards,
- IR
Posted 11/12/2012
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