[SOLVED] Small signal gain (S21) of Peaking stage of doherty power amplifier

Status
Not open for further replies.
M

Mabrok

Full Member level 4
Joined
Mar 1, 2017
Messages
223
Helped
0
Reputation
0
Reaction score
1
Trophy points
18
Activity points
1,597
For peaking stage doherty power amplifier (class-C biasing), when I simulate it separately using ADS I got small signal gain (S21 = -10 dB). Is that correct?

Thanks in advanced
 

Normal..Because C-Class Amplifier is biased lower than Vbe treshold so Ic=0 then Gain=-.. dB.
In order to check the Power Gain of an C-Class Amplifier, Large Signal condition should be used. I mean, you have to drive sufficiently the Amplifier then observe the Load Current and Voltage.
You can later calculate the Power Gain.
 
Reactions: Mabrok

    M

    Mabrok

    Points: 2
    Helpful Answer Positive Rating

Thank you, it is really helped me
 

Status
Not open for further replies.

Similar threads

Menu
Log in
Register
Cookies are required to use this site. You must accept them to continue using the site. Learn more…