Please help transistor amplifier

In summary: So, if you choose Ie=1mA, you only have 25Ω to play with, which means you want rl to be very large value, which means you want to use a Darlington transistor.In summary, if you want to design a CE amplifier with a gain of 50, you can use two stages, each with a gain of x10 and x5 respectively. Alternatively, you can use one stage with a gain of 50, but it may be more difficult to design and may not be as reliable. It is important to consider the input and output impedances of the circuit in order to achieve the desired voltage gain.
  • #211
NascentOxygen said:
You should run your simulation a number of times, testing that it works satisfactorily with hfemax and hfemin, and (for multi-transistor circuits) all combinations.

ah ok did you see the circuit was everything all right just type of transistor, which tell me Jony and he worked fine, because my software he tell me only hfe max not hfe min but i have to look i think in datasheet
NascentOxygen
 
<h2>1. What is a transistor amplifier?</h2><p>A transistor amplifier is an electronic device that uses transistors to amplify an electrical signal. It is commonly used in electronic circuits to increase the strength of a weak signal.</p><h2>2. How does a transistor amplifier work?</h2><p>A transistor amplifier works by using a small current to control a larger current. This is achieved by applying a small input voltage to the base of the transistor, which then allows a larger current to flow from the collector to the emitter. This amplifies the signal.</p><h2>3. What are the benefits of using a transistor amplifier?</h2><p>Transistor amplifiers offer several benefits, including high gain, low distortion, and high input impedance. They are also small in size and require low power, making them ideal for use in portable electronic devices.</p><h2>4. What are the different types of transistor amplifiers?</h2><p>There are three main types of transistor amplifiers: common emitter, common base, and common collector. Each type has its own unique characteristics and is used for different applications.</p><h2>5. How do I choose the right transistor amplifier for my project?</h2><p>When choosing a transistor amplifier, it is important to consider factors such as the desired gain, frequency range, and input and output impedance. It is also important to select a transistor with a suitable power rating for your project.</p>

1. What is a transistor amplifier?

A transistor amplifier is an electronic device that uses transistors to amplify an electrical signal. It is commonly used in electronic circuits to increase the strength of a weak signal.

2. How does a transistor amplifier work?

A transistor amplifier works by using a small current to control a larger current. This is achieved by applying a small input voltage to the base of the transistor, which then allows a larger current to flow from the collector to the emitter. This amplifies the signal.

3. What are the benefits of using a transistor amplifier?

Transistor amplifiers offer several benefits, including high gain, low distortion, and high input impedance. They are also small in size and require low power, making them ideal for use in portable electronic devices.

4. What are the different types of transistor amplifiers?

There are three main types of transistor amplifiers: common emitter, common base, and common collector. Each type has its own unique characteristics and is used for different applications.

5. How do I choose the right transistor amplifier for my project?

When choosing a transistor amplifier, it is important to consider factors such as the desired gain, frequency range, and input and output impedance. It is also important to select a transistor with a suitable power rating for your project.

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