3. From an old quiz. Regions of operation are very important in circuit design using MOSFETS. Extracted from an old quiz. For the indicated bias conditions, state whether the FET is operating in the OHMIC (TRIODE) region, SATURATION region, or CUTOFF region. Explain your reasoning. Assume that |VT | = 2 volts for both the NMOS and PMOS enhancement mode transistors. M1 M2 M3 M4 M5 M6 M1 M2 M3 voS+3 & VDS - +0 voS+1& VDS +0 vos.1& VDS- MO vos - +6 & VDS +2 vos-3& VDS vos -3& VDS +0

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**From an Old Quiz**

Regions of operation are very important in circuit design using MOSFETs. Extracted from an old quiz. For the indicated bias conditions, state whether the FET is operating in the OHMIC (TRIODE) region, SATURATION region, or CUTOFF region. Explain your reasoning. Assume that |VT| = 2 volts for both the NMOS and PMOS enhancement mode transistors.  

- M1 __________  
- M2 __________  
- M3 __________  
- M4 __________  
- M5 __________  
- M6 __________  

**Diagrams Explanation:**

1. **M1**:  
   - VGS = +3 & VDS = +6  
   - The diagram shows an NMOS transistor with specified gate-source voltage (VGS) and drain-source voltage (VDS).

2. **M2**:  
   - VGS = +1 & VDS = +6  
   - The diagram indicates an NMOS transistor with reduced VGS compared to M1 but the same VDS.

3. **M3**:  
   - VGS = −1 & VDS = +6  
   - This shows a PMOS transistor with a negative gate-source voltage and positive drain-source voltage.

4. **M4**:  
   - VGS = +6 & VDS = +2  
   - An NMOS configuration with higher VGS and lower VDS.

5. **M5**:  
   - VGS = −3 & VDS = +6  
   - The diagram reflects a PMOS transistor with a more negative VGS and the same VDS as M3.

6. **M6**:  
   - VGS = −3 & VDS = +6  
   - Similar to M5, this is a PMOS transistor setup with identical voltage conditions.
Transcribed Image Text:**From an Old Quiz** Regions of operation are very important in circuit design using MOSFETs. Extracted from an old quiz. For the indicated bias conditions, state whether the FET is operating in the OHMIC (TRIODE) region, SATURATION region, or CUTOFF region. Explain your reasoning. Assume that |VT| = 2 volts for both the NMOS and PMOS enhancement mode transistors. - M1 __________ - M2 __________ - M3 __________ - M4 __________ - M5 __________ - M6 __________ **Diagrams Explanation:** 1. **M1**: - VGS = +3 & VDS = +6 - The diagram shows an NMOS transistor with specified gate-source voltage (VGS) and drain-source voltage (VDS). 2. **M2**: - VGS = +1 & VDS = +6 - The diagram indicates an NMOS transistor with reduced VGS compared to M1 but the same VDS. 3. **M3**: - VGS = −1 & VDS = +6 - This shows a PMOS transistor with a negative gate-source voltage and positive drain-source voltage. 4. **M4**: - VGS = +6 & VDS = +2 - An NMOS configuration with higher VGS and lower VDS. 5. **M5**: - VGS = −3 & VDS = +6 - The diagram reflects a PMOS transistor with a more negative VGS and the same VDS as M3. 6. **M6**: - VGS = −3 & VDS = +6 - Similar to M5, this is a PMOS transistor setup with identical voltage conditions.
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