Welcome to our site! EDAboard.com is an international Electronics Discussion Forum focused on EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals... and a whole lot more! To participate you need to register. Registration is free. Click here to register now.
This can't be described in one or two words, because there are many
things open: which gain do you need, what noise figure is acceptable, ...
A good idea is that you take a look at the homepages of rf-device
manufacturers. This could be infineon, philips, agilent, ... They often have
application notes for their products.
Another possibility is to use a single-chip amplifier (e.g. ABA52563 from
Agilent, look at **broken link removed**)
this is much more easy if you are not as familar with building RF devices.
I want design this single-chip amplifier using replace @gilent's INA-02170/INA-03170.Can you give me some information how to design
this single-chip amplifier ?
As I saw that the bandwith is very wide. For a robust and consistent design
some important parameters must be carried out carefully Which are
- All-over band stability
- Minimum Noise figure Design (so , this kind of design may not give Min. NF and Gain or Reflection at the same time due to Min NF Gamma is generally differs from good reflection))
- Feedback ( series and parallel , at the same time ) is a MUST!
- IP3 behaviour ( this is also important for adjacent channels or disturbing signals )
I think transistor based designs are better or if you haven't time to design , CEL ( California Eastern Lab ) or more professional companies produce very low noise and very wide band amplifiers but they are quite expensive reagrding to application area ( military or commercial ) and performance.
But If I were you , I'd design with discretes .. :idea: since it becomes nice work for you..
I think it difficult to design a match circuit in this too wideband .
one good choice is use some RFIC,not waste time and not very high price.
But LNA is often use in frontend ,why used it in
IF?
maybe a common broadband AMP is enough.
INA-02170 and INA-03170 both are obsolete parts. There exist many
replacement products from agilent. Most of them include an application
note with layout and measurements.
Befor you matching & simulation , you still need to get a chip or die .
@gilent got many MMIC , frequency from 0.1~6 GHz , only thing you need to do is add a inductor & resistor .
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.