Given the PMOSFET circuit below with: VTHP= 900 mV and KPp= 40 uA/V Calculate: VDD M1 a) The DC current in R1 L= 2u w = 30u V3 P_tu VOFF = VAMPL = 2m FREQ = 1k AC = 1 ==0 Vout v2 R1 30k 3.8 b) The DC voltage Vout

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Please answer question 3A, 3B with details on how to do it. Please make handwriting legible. Thank you. 

**Given the PMOSFET circuit below with:**  
\( V_{\text{THP}} = 900 \, \text{mV} \) and \( K_{P} = 40 \, \mu \text{A/V}^2 \)

**Calculate:**

a) The DC current in R1

b) The DC voltage Vout

c) The small signal current in R1

d) The small signal voltage \( v_{\text{out}} \)

### Circuit Diagram Explanation:
- **Transistor (M1):** Represents a PMOSFET with parameters \( L = 2 \, \mu \text{m} \) and \( W = 30 \, \mu \text{m} \).
- **Power Supply (VDD):** Provides a voltage of 5V.
- **Voltage Source (V3):** 
  - \( \text{VOFF} = 0 \)
  - \( \text{VAMPL} = 2 \, \text{mV} \)
  - \( \text{FREQ} = 1 \, \text{kHz} \)
  - AC = 1
- **Resistor (R1):** 30kΩ resistor.
- **Voltage at Vout:** Point in the circuit where the output voltage is measured.

This circuit description outlines the task of calculating both DC and small signal parameters related to a PMOSFET configuration. Understanding the role and values of each component is essential for these calculations.
Transcribed Image Text:**Given the PMOSFET circuit below with:** \( V_{\text{THP}} = 900 \, \text{mV} \) and \( K_{P} = 40 \, \mu \text{A/V}^2 \) **Calculate:** a) The DC current in R1 b) The DC voltage Vout c) The small signal current in R1 d) The small signal voltage \( v_{\text{out}} \) ### Circuit Diagram Explanation: - **Transistor (M1):** Represents a PMOSFET with parameters \( L = 2 \, \mu \text{m} \) and \( W = 30 \, \mu \text{m} \). - **Power Supply (VDD):** Provides a voltage of 5V. - **Voltage Source (V3):** - \( \text{VOFF} = 0 \) - \( \text{VAMPL} = 2 \, \text{mV} \) - \( \text{FREQ} = 1 \, \text{kHz} \) - AC = 1 - **Resistor (R1):** 30kΩ resistor. - **Voltage at Vout:** Point in the circuit where the output voltage is measured. This circuit description outlines the task of calculating both DC and small signal parameters related to a PMOSFET configuration. Understanding the role and values of each component is essential for these calculations.
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