A BiCMOS circuit with Vcc= 6V is shown in the figure below. The voltage VB is set such that the circuit has a DC output voltage of 3V and the BJT has the following parameters: Is = 35fA, VCE,sat = 0.2V, B = 100, and VA → ∞, and the MOSFET parameters are: VTH = 0.5V and = 1.60 . Assume that C → ∞o and use VT = 26mV. kn mA V2 l'in VB M₁ Rx Vcc M 1 kn OUOUT • 500 Ω Determine the value of VB and Rx that will satisfy the relationship between ID1 and Ic₂ if the current relationship is: Ic2 is five times greater than ID1.

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A BiCMOS circuit with Vcc= 6V is shown in the figure below. The voltage VB is set such that the
circuit has a DC output voltage of 3V and the BJT has the following parameters: Is = 35fA,
VCE,sat = 0.2V, B = 100, and VA → ∞, and the MOSFET parameters are: VTH = 0.5V and
= 1.60 . Assume that C → ∞o and use VT = 26mV.
kn
mA
V2
l'in
VB
M₁
Rx
Vcc
M
1 kn
OUOUT
• 500 Ω
Determine the value of VB and Rx that will satisfy the relationship between ID1 and Ic₂ if the
current relationship is: Ic2 is five times greater than ID1.
Transcribed Image Text:A BiCMOS circuit with Vcc= 6V is shown in the figure below. The voltage VB is set such that the circuit has a DC output voltage of 3V and the BJT has the following parameters: Is = 35fA, VCE,sat = 0.2V, B = 100, and VA → ∞, and the MOSFET parameters are: VTH = 0.5V and = 1.60 . Assume that C → ∞o and use VT = 26mV. kn mA V2 l'in VB M₁ Rx Vcc M 1 kn OUOUT • 500 Ω Determine the value of VB and Rx that will satisfy the relationship between ID1 and Ic₂ if the current relationship is: Ic2 is five times greater than ID1.
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