Determine the base-bias voltage (Vbias) required to sink 1.5 mA for the circuit shown in Figure 5-56 (p. 250). IS =1.3 x 10-13 A and the temperature is 27°C.
Determine the base-bias voltage (Vbias) required to sink 1.5 mA for the circuit shown in Figure 5-56 (p. 250). IS =1.3 x 10-13 A and the temperature is 27°C.
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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Determine the base-bias voltage (Vbias) required to sink 1.5 mA for the circuit shown in Figure 5-56 (p. 250). IS =1.3 x 10-13 A and the temperature is 27°C.
Transcribed Image Text:**Transcription and Explanation for Educational Use:**
The diagram in Figure 5-56 illustrates a simple transistor circuit, which is related to Exercise 5-5.
**Components and Connections:**
- **Voltage Source (+5 V):** The circuit is connected to a +5 V power supply at the top.
- **Resistor (1 KΩ):** A 1 kilo-ohm resistor is connected in series with the power supply. This resistor limits the current flowing through the circuit.
- **Transistor:** The transistor is depicted with its three terminals labeled appropriately. The part of the transistor interacting with current flow is marked.
- **V_bias:** This is the input or base voltage applied to the transistor's base terminal.
- **Ground Connection:** The emitter terminal of the transistor is connected to the ground.
- **Current Notation (I_C):** The current flowing from the collector to the emitter of the transistor is labeled I_C.
**Function of the Circuit:**
This specific configuration demonstrates how a transistor can be used to control current flow. The base voltage (V_bias) influences the current (I_C) flowing through the collector-emitter path, regulated by the 1 KΩ resistor connected to the power supply. This setup might be used to understand transistor biasing and amplification principles in educational exercises.
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