2. In Homework #1 we analyzed a basic current mirror (problem #3). Consider here the multiple current mirror circuit shown below. Note that the line drawn through the gate of M2 indicates a common connection between the gates of M1, M2, and M3. Assume Kn' = 25μA/V², K₂ = 10μA/V², VIN=+1V, VIP = -1V. VDD = 5V M4 (5/1) Ipa IREF = 25μA 01 M1 (5/1) V GSP los + VGSN M5 (5/1) D2 M2 (10/1) 03 M3 (25/1) Vss = -5V a. For IREF = 25 μA, as shown in the schematic, what are the drain currents: IDI, ID2, ID3. ID4. IDS? b. What is the value of R that sets IREF = 25 μA?

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2. In Homework #1 we analyzed a basic current mirror (problem # 3). Consider here the multiple current
mirror circuit shown below. Note that the line drawn through the gate of M2 indicates a common
connection between the gates of M1, M2, and M3.
Assume Kn' = 25μA/V², Kp' = 10µA/V², VIN=+1V, VIP =-1V.
VDD = 5V
M4 (5/1)
D4
IREF = 25μA
01
M1 (5/1)
VGSP
los
+
VGSN
M5 (5/1)
D2
M2 (10/1)
D3
M3 (25/1)
Vss=-5V
a. For IREF = 25 μA, as shown in the schematic, what are the drain currents: IDI, ID2, ID3. ID4. IDS?
b. What is the value of R that sets IREF = 25 μA?
Transcribed Image Text:2. In Homework #1 we analyzed a basic current mirror (problem # 3). Consider here the multiple current mirror circuit shown below. Note that the line drawn through the gate of M2 indicates a common connection between the gates of M1, M2, and M3. Assume Kn' = 25μA/V², Kp' = 10µA/V², VIN=+1V, VIP =-1V. VDD = 5V M4 (5/1) D4 IREF = 25μA 01 M1 (5/1) VGSP los + VGSN M5 (5/1) D2 M2 (10/1) D3 M3 (25/1) Vss=-5V a. For IREF = 25 μA, as shown in the schematic, what are the drain currents: IDI, ID2, ID3. ID4. IDS? b. What is the value of R that sets IREF = 25 μA?
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