Small Signal Amplification Factor Of A Transistor - Casio fx-7400G PLUS Booklet

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EE-3 Small Signal Amplification Factor

of a Transistor

Objective

The "Experiment Corner: Finding the small signal current amplification ratio h

tor" in JIKKYO SHUPPAN Co., Ltd. "DENSHI KISO (NEW EDITION) 719" provides a practi-

cal example of using a graphic calculator. Since the functions used are limited to basic

operations, they can be incorporated into an actual classroom setting quite easily.

Worksheets are provided to allow the experiment to be performed in the classroom.

Worksheets include information about how to use a graphic calculator as the experiment

progresses.

Experiment Corner:

Finding the small signal current amplification ratio h

1. About transistor names

The following are the names of the transistor we will be using for this experiment:

2SC1815

and

Write the meanings of these symbols (numbers).

2. Connecting devices

Connect the variable resistor VR, 10kΩ resistor, DC ammeter, transistor, and battery as

shown in the circuit diagram below.

µA

1MΩ

2SD1763

10kΩ

– 27 –

of a transistor

Connection Precautions

• Make sure your connect the

transistors collector, base, and

emitter correctly.

• Make sure you orient the

battery's positive and negative

poles correctly.

• Set the variable resistor to its

maximum resistance value.

of a transis-

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