Examples, models and articles about wideband amplifiers

[jarys]

Hi. Does anyone have some example simulations in M/W/O, ADS or materials, of wideband amplifiers for frequency around 200-400 MHz ? Maybe someone has got some experience in design of such amplifiers?
I want to design such amplifier.
It has to fulfil following requirements:
frequency: 200-400MHz
small signal gain: 40dB
Power : 43dBm
S11 : <-15dB
WFS : <1.5
I will accept good advices experienced colleagues from group on this subject willingly.
I look for also example - solutions.
I greet, thanks !!

 

[flatulent]

Re: wideband amplifiers

The old Motorola company had two engineering bulletins on this. EB74 was a 10 W amplifier and EB77 was a 60 W amplifier.

These may not use currently available transistors, but the design ideas will still be valid.

This is a standard military band all over the world. Search the transistor manufacturer sites. You can get ideas from the data sheets. Here is a first start for you:

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Notice that they list the source and load required. You can use this to calculate the networks to put the transistor between.

 

[boy]

wideband amplifiers

There are examples and models for high power amp. at polyfet website. In their example, they show how to simulate the PA also.

http://www.polyfet.com/

 

[khouly]

Re: wideband amplifiers

check
www.rfic.co.uk
and see gonzalez book

khouly

 

[Manjunatha_hv]

Re: wideband amplifiers

Hi jarys,


Here are some of the articles on PA design usinh MWO
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---manju---