Having trouble solving this after calculating gm

Thread Starter

tasap_1999

Joined Sep 14, 2024
2
In the amplifier of the adjacent figure, it is given that:
Idss = 12 mA
Vp = -2 V
Vdd = 12 V
Vgsq = -0.5 V
Vdsq = 4 V
Zin = 10 MΩ
Av = -4.
Calculate the transconductance gm and calculate the resistances R1, R2, RD, and RS.
44444.png
 

ericgibbs

Joined Jan 29, 2010
21,390
Hi tasap,
Welcome to AAC.
As this is a homework assignment, please post your best attempt at answering, we can then help.
E
 

WBahn

Joined Mar 31, 2012
32,702
There are many different conventions for transistor symbols -- and many people ignore them all and mix up the symbols.

Is your circuit using an N-channel JFET, or something else?

As already noted, we will not do your work for you. You must show your best attempt to get as far as you can. We can then help you find mistakes you have make thus far, and help you take the next step on your journey.
 

Thread Starter

tasap_1999

Joined Sep 14, 2024
2
There are many different conventions for transistor symbols -- and many people ignore them all and mix up the symbols.

Is your circuit using an N-channel JFET, or something else?

As already noted, we will not do your work for you. You must show your best attempt to get as far as you can. We can then help you find mistakes you have make thus far, and help you take the next step on your journey.
There are many different conventions for transistor symbols -- and many people ignore them all and mix up the symbols.

Is your circuit using an N-channel JFET, or something else?
789.png
As already noted, we will not do your work for you. You must show your best attempt to get as far as you can. We can then help you find mistakes you have make thus far, and help you take the next step on your journey.
Sorry you are right its my first question so please excuse me. The circuit uses a JFET, this is what i manage to find ( the first segment is theory not from this assagiment)
 
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