In a fixed bias circuit silicon n-p-n transistor (CE) with β = 90 is used. If V_CC= 15 V, R_C= 3 kΩ and R_B = 1 MΩ, the V_CE at Q-point is given as:

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In a fixed bias circuit silicon n-p-n transistor (CE) with β = 90 is used. If V_CC= 15 V, R_C= 3 kΩ and R_B = 1 MΩ, the V_CE at Q-point is given as:

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12.41 V
7.5 V
10.0 V
11.6 V

Answer 1

Concept:

Fixed Base Biasing a Transistor:

The circuit shown is called as a “fixed base bias circuit”, because the transistor's base current, I_B remains constant for given values of V_cc, and therefore the transistor operating point must also remain fixed.

This two-resistor biasing network is used to establish the initial operating region of the transistor using a fixed current bias.

Calculation:

Given;

β = 90

VCC = 15 V

RC = 3 kΩ

RB = 1 MΩ

Then

and

Therefore;

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Question

In a fixed bias circuit silicon n-p-n transistor (CE) with β = 90 is used. If V_CC= 15 V, R_C= 3 kΩ and R_B = 1 MΩ, the V_CE at Q-point is given as:

Answer (Detailed Solution Below)

Detailed Solution

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Question

In a fixed bias circuit silicon n-p-n transistor (CE) with β = 90 is used. If VCC = 15 V, RC = 3 kΩ and RB = 1 MΩ, the VCE at Q-point is given as:

Answer (Detailed Solution Below)

Detailed Solution

More Biasing of Transistors Questions

More Bipolar Junction Transistors Questions

More Analog Electronics Questions

In a fixed bias circuit silicon n-p-n transistor (CE) with β = 90 is used. If V_CC= 15 V, R_C= 3 kΩ and R_B = 1 MΩ, the V_CE at Q-point is given as: