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Hi, in order for the class E to be operational, the switch of the transistor has to be on and off.
1. How to make the class E PA transistor become a switch? Is it we need to supply a vpulse voltage at the biasing of the transistor?
2. Input port in the PA design before the matching components...
Hi all,
What would be 5G spec for RF PA at 3.5 GHz such as gain, return loss (s21,s22 and s11), OIP3, output power (P1dB), power added efficiency (PAE). Appreciate if someone can provide me the details. Tq
Yes i have seen other researches manage to get good response on 0.18um for >27GHz. One of the example can be found in the paper entitle "A Ka-Band CMOS Low-Noise Amplifier for
Ka-Band Communication System" written in 2010 by Zhe Yang Huang.
Thanks for ur reply. I'm talking about simulation. Attached here is two files on S-parameter responses for 2.4GHz and 28GHz.
- - - Updated - - -
Reattached the files
Hi all,
Currently i'm designing CMOS PA in cadence tool, my PA response are listed below:
1. S11 at 27Ghz is -17.311 db
2. S22 at 27 Ghz is -15.23 db
3. Unfortunately my S21 response is below 0 db (-19.44db).
I have go thru others researches paper their response for S21 is above 10db. I'm...
In S-R clocked latch, what is mean by used as storage element in narrow width clocked systems. Can other Flip Flop likes J-K, D or T used in narrow width clocked systems as well?
Hi All,
Refering to this code,
lcd_wrcmd(0x38); //8 bit data bus
lcd_wrcmd(0x0c); //block cursor,non blink
lcd_wrcmd(0x06); //don't move after display
lcd_wrcmd(0x01); //Clear display
May i know what is this hex number stand for and why we have to write like this. Is there any...
Hi all,
i am postgraduate student and currently being ask from my lecture to design wilkinson power divider using CST. I am still new with CST environment and if there anybody have toturial or tour guide on using CST it would be appreciate if you guys can post here. The design specification and...
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