Transistor Biasing

Find the Q-point values (IC and VCE) for the collector feedback bias circuit shown in Fig.

• 3V, 1.8 mA

• 1.55V, 1.8 mA

• 3V, 0.845 mA

• 1.55V, 0.845 mA

Find the Q-point values (IC and VCE) for the collector feedback bias circuit shown in Fig

• 5.7V, 2.3 mA

• 7V, 2.3 mA

• 5.7V, 1.26 mA

• 7V, 1.26 mA

It is desired to set the operating point at 2V, 1mA by biasing a silicon transistor with collector feedback resistor RB. If β = 100, find the value of RB

• 130 kΩ

• 30 kΩ

• 20 kΩ

• 150 kΩ

Determine the operating point for a silicon transistor. Given that β = 100.

• 4 V, 8.2 mA.

• 10.4 V, 8.2 mA.

• 4 V, 9.6 mA.

• 10.4 V, 9.6 mA.

For the emitter bias circuit shown in Fig. 9.18, find IC,VCE for β = 85 and VBE = 0.7V

• 24.6 V, 3 mA

• 14.6 V, 1.73 mA

• 24.6 V, 1.73 mA

• 14.6 V, 3 mA

Determine the collector current IC and collector-emitter voltage VCE. Neglect small base-emitter voltage. Given that β = 150

• 17mA, 4.8V

• 10mA, 2.48V

• 17mA, 2.48V

• 10mA, 4.8V

Determine the collector current IC and collector-emitter voltage VCE. Neglect small base-emitter voltage. Given that β = 100

• 4V, 1mA

• 1V, 3mA

• 4V, 3mA

• 1V, 1mA

Determine the collector current IC and collector-emitter voltage VCE. Neglect small base-emitter voltage. Given that β = 50

• 1V, 7mA

• 7V, 7mA

• 1V, 1mA

• 7V, 1mA

Find operating point when beta is 100

• 3V ; 2.2 mA.

• 8.83V ; 4.2 mA.

• 3V ; 4.2 mA.

• 8.83V ; 2.2 mA.

Find operating point when beta is 100

• 3V ; 2.2 mA.

• 8.83V ; 4.2 mA.

• 3V ; 4.2 mA.

• 8.83V ; 2.2 mA.