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1000 Threads found on edaboard.com: Sige Cmos
hello i need information on linearity vs. feedback tradeoffs in mixer and LNA design and NOT power amplifier design. thanks (si bjt, sige, cmos)
Any technology, sige, cmos, pHEMT ... Frequency > 500MHz, any frequency range Vdd <= 5V Idd <= 10mA Gain >= 15dB Stable NF <= 1dB Input IP3 > 10dBm <-- must have Return loss (in, out) < -10dB Data sheet, application note, paper ... are welcome basically I am looking for a low power high linearity LNA. I am wondering
I am learning analog/rf design and need a BJT model and a cmos model to run my circuits under Spectre(RF). Something close to IBM's sige processes is even better. The models do not have to be accurate and realistic, as I am not designing chips at this time. I know most (if not all) models and design kits are available from moses.com, but they ne
How can I acquire sige's design kit?
hello i need references (books, papers, thesis) on integrated mmic/rfic transformers for gaas/cmos/sige. please help. thank you.
Hello, Looking for information on sige Bicmos and cmos 60GHz Radio Building Blocks and Systems at the circuit, system and device levels. Please send any information ! Thanks.
Can I make PA in TSMC 0.18 cmos? or I have to use a diffrent process? Like sige bicmos?
You're right yolande_yj from the designer point of view there is no much difference using conventional bipolar or sige (it's only the addition of Germanium in the base, to incease performances). For futher details you can download: Wiley sige Heterojunctio Bipolar Transistors - Ashbum available on this forum
The future is in cmos! If it's true that some companies are having troubles with pure cmos, it's also true that the RF is always driven by baseband capabilities. Now we are in a phase where Bicmos (mostly 0.35,0.25 and sige) is the must if you want product today. I am designing using it. The future (the open question is (...)
cmos process is cheaper comparable with others (GaAs, sige, etc). A cmos PA can meet in some limits the same performances with competitors. Nobody wants to make a cmos PA with poor performance. Just cheaper.
What type of receiver do you want to use? (Low IF, Zero IF ,...) What technolody do you want to use? (integrated: cmos, Bicmos, bipolar,GaAs, sige or discrete....)
sige is a Bicmos technology. So, you have the option to use bipolar transistors ( vertical bipolar transistors ). Usually, these BJT's have a much higher fT ( maybe an order of magnitude higher )than the cmos transistors so they can be used for higher frequencies. I don't think there is a special consideration. You just have the option to (...)
sige has lower flicker noise contribution to close-in phase noise.
Hi I have designed a 1.8 dB NF LNA for WLAN 2.4-2.5 GHz in 0.18 um Si cmos. The measured NF was around 2.6 dB (indirect measurement). Some sige process based LNA (MAXIM) for 2.4 GHz may have lower NF but thats a trade-off. Regards Maddy
If you compare 3 (4) terminal devices the product of current gainbandwidth and the breakdown voltage is important. For MOS devices you get about 70-100GHz*V. sige Bipolar is about 2*3 times higher. GaAs a further factor of 1-1.5. MOS have the additional disadvantage that the above speed is only true if the saturation voltage is very high. Tha
the emiter degeneration inductor in sige will make the noise matching more easily , it will increase the input impedance of LNA , and by this u can adjust the Roptimum to get the NFmin of the transistor about Q , if u increase the Q the series R of of the L will be min , so the gain of the LNA will increase , but also be aware that inductor dege
What're the difference between Bicmos and sige? Are they identical? Mesfet+
What do you think which the best book (or article, tutorial...) is in the field of sige RFIC design?
At mm-wave you have few plain-cmos options and the ones you do have, are very low voltage. Stacking costs you geometrically in area and adds losses. A sige device would help. GaN and GaAs suffer from not having the ability to do logic or power management, well. If your "application" wants to be single-chip-does-all, and "all" is any kind of co
Does anyone has experience in RFIC design using cmos process? Or some exp in A_D_S or S_pectreR_F in RFIC dsign? I am freashmen in this field. Does anyone want talk about this? :smile: ^^.
Hi friends, Pls help me ? I need it ! So pls tell me where can get it ! thanks !
What are the other forums about analog cmos design ? Or about spice netlist routines ?
Hi, guys: I am looking for RF cmos process foundry libraries for RFIC layout design (test design). Could anybody offer some kind of cmos RF process libraries, for example TSMC 0.25um or 0.18um libraries? Or does anybody know where I can download some kind of cmos RF process libraries? Any help will be appreciated. (...)
Hi, guys: I am looking for RF cmos process foundry libraries for RFIC layout design (test design). Could anybody offer some kind of cmos RF process libraries, for example TSMC 0.25um or 0.18um libraries? Or does anybody know where I can download some kind of cmos RF process libraries? Any help will be appreciated. (...)
Hi Does someone know any tool/software for adiabatic cmos (Acmos) simulation and modeling? tnx
i can find some useful free circuits, but they most are distributed components. my research focuses in cmos IC design. give me some useful links which contain practical IC examples. thank you!
I request design rule for cmos and Bi-cmos, from fab company, all they need me sign NDA and setup a meeting with me????!!!! I cont't have a company, just want to learn it with my tools at home. Anyone know where can get those desing rule kit without meeting with Sales people? 0.18um, 0.35um, 0.13um welcome, any fabs.
Hi 74 Series 74LS Series 74HC Series High speed cmos 74LVQ Series Low Voltage High Speed cmos 74LCX Series Low Voltage High Speed cmos 40 Series cmos 1. -> t tnx
Hi cmos Docs(pdf) 1. Look at this too: (acrobat full and pspice) 3. -> t tnx
Hi Transistor Level Implementation of cmos Combinational Logic 1. -> t tnx
nice papers about protection circuits for cmos
Hi, Here are some esd papers for cmos Chips: dino
I'm designing SXGA digital camera with a cmos image sensor. PC interface will be IEEE 1394 or Cameralink(LVDS) I would like to talk to guys who has experience in this field. Especially about color interpolation of Bayer color filters and Firewire or Cameralink interface. Regards.
Does anybody know a low noise cmos mixer for 2.4GHz. Linearity should be as high as possible
cmos PROCESSING & FABRICATION CONCEPTS
cmos PROCESSING & FABRICATION CONCEPTS
I have a question about the 'thickness' and 'conductivity' parameters of N-well in standard 2-well 0.18um cmos Logic process, thanks! These two parameters are very critical for the performance of RF passive parameters. thanks again!
I have a question about the 'thickness' and 'conductivity' parameters of N-well in standard 2-well 0.18um cmos Logic process, thanks! These two parameters are very critical for the performance of RF passive parameters. thanks again!
sige is goode material for RF design.the design method is the same before.only process must be careful. Yes , it is the same as analog or RF IC layout ! you can reference the art of analog layout e-book in
WHo knows where I can find good sige layout articles? Thanks.
Looking for cmos VCO design books(including circuits) or tools. Freq=1.5GHz Vdd=1.8v Kp=20MHz/v rgzs
Hi ! Anyone know which EM tool can precisely predict cmos spiral inductor Q and model ? Where can find the example or document ?
Hi, I want to build an IC tester for TTL and cmos. Where can I find informations, circuits etc. ?
Hi! Does anyone know Jazz sige Foundry I want to know its www site Can anyone tell me about this? Thanks!
Design a cmos LNA, got IIP3=1.5dBm, Which don't meet the requirement? Anyone know how to improve IIP3?
Hello!! Everyone I want to know trends of MMIC and cmos. (Characteristics, Process, advantage and disadvantage etc.)
Hi there I have PINE D'Music sm300t mp3 player. It doesn't has anti shock protection. But after opening it you can find there some memory - W26L010A 64K × 16 HIGH-SPEED cmos STATIC RAM. Can somebody tell me what for it is there? Is it anti shock but not activated? THX for info. Best regards Paul
Learning layout. question: How to know one layout is cmos, another one is Bicmos? If I place a bipolar trtansistor on my cmos layout, can I call this layout is Bicmos layout?
bastos & lcg22, I made a gm-c filter 4 years ago, 5th order, with highest BW 500MHz, for hard drive read channel. It's in .25u cmos. To operating over 1GHz, you'd better use <=.18u cmos, or if you like, try sige. I don't see any reason why it can't. I would like to recommend: Y. Tsividis for a complete treatment of this topic (...)
Anyone have ideas or materials comparing the differences between Bicmos, cmos and SOI?? What're the major differences between Bicmos and cmos? I mean in term of performance and circuit design flexibility, not the structural or physical differences.


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