Punto De Operacion BJT

Fixed Bias Circuit

 Assemble the following circuit

Measure the voltage and current following the circuit, then replace the transistor BC547C 2N2222 by, and then measure circuit voltages and currents.

0.656 V 0.692 V

9.122 V 3.375 V

9.122 V 3.375 V

0.026 mA 0.026 mA

0.021 A 0.021 A

0.021 A 0.021 A

Bringing a lit match to the transistor during 5 seconds while measuring the voltage VCE and IC and record the current value, then change the 2N2222 transistor for

The BC547C and re-measure the voltages and circuit currents.

2N2222 BC547C

VCE

IC

Issuer stabilized Circuit

 Assemble the following circuit

Measure the voltage and current following the circuit, then replace the transistor BC547C 2N2222 by, and then measure circuit voltages and currents.

1.639 V 3.218 V

9.491 V 5.515 V

9.491 V 5.515 V

0.026 mA 0.026 mA

0.021 A 0.21 A

0.021 A 0.21 A

Bringing a lit match to the transistor during 5 seconds while measuring the voltage VCE and IC and record the current value, then change the 2N2222 transistor for The BC547C and re-measure the voltages and circuit currents.

2N2222 BC547C

VCE

IC

Voltage divider circuit

 Assemble the following circuit

Measure the voltage and current following the circuit, then replace the transistor BC547C 2N2222 by, and then measure circuit voltages and currents.

2.397 V 2.431V

7.636 V 7.508 V

7.636 V 7.508 V

2.553 mA 2.553 mA

0.023 A 0.023A

0.023 A 0.023A

Bringing a lit match to the transistor during 5 seconds while measuring the voltage VCE and IC and record the current value, then change the 2N2222 transistor for The BC547C and re-measure the voltages and circuit currents.

2N2222 BC547C

VCE

IC

Voltage divider circuit with transistor PNP

 Assemble the following circuit

Measure voltages and currents following the circuit.

BC557C

VB

VC

VCE

IB

IC

IE

Theoretical analysis.

Perform theoretical analysis of all previous circuits. Changes

...