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29 Threads found on Rfic And Lna
IN my lab ,there is a PNA N5247 without options 029 Why are you starting another thread to ask this. You have asked the same question at Dave - - - Updated - - - Just quoting model numbers without even a manuf
Yes, there is a relation between Noise Figure and Gain (actually gm of the transistor). For CMOS here you can find a good explanation.
who know the relationship between P1db and IIP3?
Hey guys, I have a project where I need to design the system for cognitive radio ( transmitter and receiver) and also build 2 components ( lna and Mixer) as a part of my rfic design. I was looking for papers and materials but if someone is currently working in the field (...)
Know the RF fundamentals, impedance matching, Smith charts, noise figure, IP3, cascaded stages. Know the basic rfic building blocks, Gilbert cells, cascodes, current mirrors, active loads. Study some basic rfic circuits, lna, Mixers, VCOs, PAs. I ask questions right out of Razavi's Microelectronic book. If you don't (...)
I have designed a lna circuit in rfic with charted RF CMOS 0.18um process. The lna's measured current and bias voltage agree with its simulated ones. Also, the lna's input and output port have been matched well with VSWR<2 at 1.55GHz. However, the lna's gain at 1.55GHz (...)
hellow, everyone How to set up the DC field(liner and saturation) of MOS device during rfic design? such as in lna, PLL, PA,whether have some principles to follow? thanks!
for rfic , check Tom Lee book , and Claven Pelet they are good books khouly
Hello, Take a look to the following link: You should find some tutorials related to lna. Hope this helps. regards.
Dear , Plz refer Go through the differential lna Design. refer page 6-7. I am confident that u will the the answer
lee's book is good , and the chapter of lna is ok u can try them , and apply them to ur design , and see in rfic u need to read alot , and see the different approchs in the design , and select the good one , with measurmets close to simulation and (...)
I am currently designing a lna by using Si with 0.18um technology. My target is to design an lna that has NF < 2db, Gain =15db and OIP3 >-3, I<4mA. I am using a LC folded inductor source degeneration topology. Below are some of my questions: 1. Does folded technique will provide better noise performance than cascode technique? 2. I (...)
if ur doing rfic design u should use the minimum length such in lna use minimum length but for ordinary analog , like BG , OPAMPS current mirror use multiples of minimum length khouly
Hi, I don't think you can speak about a trend, instead i will be better to identify an application and then choose the kind of amplifier you wil develop. if you are interested in rfic I think there are a lot of example and choices in wireles market...GSM, WiMax.... Then I think you need an idea about the process you can have access (...)
yeah , there are alot matching techniques and every one has it is usages but if ur talking about rfic , then if the lna , will be conncetd directrly to mixer input and the space between them is less than λg/4 there will be no need for matching , but if ur talking about larger spacing then u need , as far as i know (...)
That depend on your capabilities. Indeed PLL is the most complex block typical beside the baseband processing. But for starting rfic I would vote for begining with simpler blocks lna, then Mixer, PA and then PLL.
Hello all... does anyone know of any book or have any problem collection of rfic problems and good explanatory solutions. Any good book with lot of solved problems in lna,MIXER,Oscillator,Power Amp. etc if anyone have or know plzz post... Thanks
check u will find there a good VCO examples also check u will find some ads projects for lna , mixer oscillator and so on wish this help khouly
I would graduate in 2006 with a master's degree. I have been doing research on rfic(lna and Mixer) since I did my thesis for my bachelor's degree. and during my graduate study, I have been respingsible to circuit design and optimization for a low voltage supply mixer with new topology (...)
Two lna in rfic is designed to handle 900MHz and 1900MHz. To get low noise, there is no way to use cascade lna in rfic.
check this website:
Refer to the book Thomas H Lee for rfic circuits. Another good book is by Behzad razavi. Another good book on Microwave theory is Gullimero Gonzalez Also there are many sites on RF on the of them is
The Cadence IC has a lot rfic design examples. Look at the Cadence document and the example. You will be familiar with the Cadence rfic design tool.
Hello, Looking for book/paper/presentation on rfic Test, NF for lna's, IIP3 for lna's, testing PLL's, Synthesizers, VCO's, Phase Noise Testing, PA's, P1dB, gain testing, using the test equipment and so on... you get the point. Any good Agilent presentations ? I know someone posted a CIC presentation from Taiwan a (...)
Hi all, It's been a while but I've managed to upload another tutorial to This one is satellite communications and is under the systems & devices section... Differential lna almost finished - just need to add some equations for linearity. Bye for now Ody :o
need to some advice, tips, articles, projects, books on doing and simulating coplanar waveguides for MMIC/rfic design using either HFSS or Momentum or any software you recommend. Any help appreciated. Using them as Inductors for matching an lna.
the design techniques are a little different. Form MMIC design we use more of S-Parameters design techniques for say designing an amplifier(ref gonzalez). However for the relatively low frequency rfic designs we do use S-Parameters (but not for design fully). rfic design such as lna design is predominantly based on "low frequency analog (...)
the best book to read from about these parameters would be from 1) RF microelectronics by behzad razavi and 2) rfic design by calvin plett
I am a beginner in rfic design, and met some diffcuity in cascode lna design, May someone could help me. the following question assume the finger number is 4. 1.Should I merge the drain (common source nmos) with the soure (common gate nmos)? 2.If I merge the 2 nmos, how can I ensure that the parasitic cap of changed cascode 2 nmos (...)