1) Draw the high frequency MOSFET equivalent circuit model. 2) Find an expression for the unity...

1) Draw the high frequency MOSFET equivalent circuit model.
2) Find an expression for the unity current gain frequency.
3) Calculate f_T when t_ox= 5nm, g_m=0.1 mA/V, W=5L=0.1 um.
4) What are the harmful effects of the gate resistance on the high frequency operation of MOSFET?

1)Draw a noise equivalent circuit ignoring the parasitic resistance contribution. Explain the components in the circuit.
2) What is the equivalent noise current attributed to the channel where its resistance is almost same with 1/g_ds?
3) Why do we have to reduce the gate resistance in noise point of view?
4) Draw the spectral noise power densities for the thermal nose and flicker noise.
5) Why is flicker noise so important in MOSFET flash memory technology?
6) Compare the effects of flicker noises between MOSFET and HEMT circuit.

Solutions

Expert Solution

MOSFET; metal oxide field-effect transistor.

1)2) Unity current gain

4) harmful effects 1) Noise equivalent circuit

genius_generous answered 1 year ago

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