You have been asked to design a self bias circuit as shown in the figure below using a 9 V power supply. The transistor has Vgg = 0.6 V, and ß = 100. The circuit should have Iç = 3 mA, Vce = Relc and the voltage across resistor Rg is half of Vcg. Calculate the values of all resistors in the circuit to achieve the required bias. Hint: Consider the current in resistors R, and R1 much large than Ig (at least 10 times) to be able to ignore the base current compared to the current in these resistors. Answer. R, = 11 kn, R2 = 4 kN, Rc = 1.2 kN, Rg = 600 N. Va

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You have been asked to design a self bias circuit as shown in the figure below using a 9 V power
supply. The transistor has VBg = 0.6 Vv, and ß = 100. The circuit should have Ic = 3 mA, VCE =
Rclc and the voltage across resistor RĘ is half of Vce. Calculate the values of all resistors in the
circuit to achieve the required bias.
Hint: Consider the current in resistors R, and R1 much large than Ig (at least 10 times) to be able
to ignore the base current compared to the current in these resistors.
+Vc
Ie
Re
Answer: R1 = 11 kn, R2 = 4 kN, Rc = 1.2 kn, Rg = 600 N.
VCE
RE
Transcribed Image Text:You have been asked to design a self bias circuit as shown in the figure below using a 9 V power supply. The transistor has VBg = 0.6 Vv, and ß = 100. The circuit should have Ic = 3 mA, VCE = Rclc and the voltage across resistor RĘ is half of Vce. Calculate the values of all resistors in the circuit to achieve the required bias. Hint: Consider the current in resistors R, and R1 much large than Ig (at least 10 times) to be able to ignore the base current compared to the current in these resistors. +Vc Ie Re Answer: R1 = 11 kn, R2 = 4 kN, Rc = 1.2 kn, Rg = 600 N. VCE RE
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