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Beauty Tech: All You Need To Know

Beauty technology, often referred to as beauty tech, represents the intersection of the beauty industry and innovative technologies. It encompasses a wide array of advancements, from skincare devices and personalized beauty apps to AI-driven cosmetics and augmented reality (AR) experiences. Here's a comprehensive overview of the various facets of beauty tech: Skincare and Beauty Devices Cleansing and Facial Devices: These include sonic facial brushes and cleansing tools designed to remove impurities and improve skin texture. Some devices use ultrasonic technology to enhance the effectiveness of skincare products. LED Therapy Devices: Light-emitting diode (LED) masks and handheld devices use different wavelengths of light to target specific skin concerns, such as acne, wrinkles, and hyperpigmentation, aiding in skin rejuvenation and treatment. Microcurrent and Radiofrequency Devices: Devices utilizing microcurrent and radiofrequency technologies aim to lift, tighten, and ton...

Types of Transistors(3)

 

Types of Transistors(3)

 

What are Transistors Configurations?

Generally, there are three kinds of configurations and their descriptions with recognize to gain is as follows:

Common Base (CB) Configuration: It has no present day benefit but has voltage advantage.

Common Collector (CC) Configuration: It has contemporary benefit but no voltage advantage.

Common Emitter (CE) Configuration: It has present day benefit and voltage advantage each.

Transistor Common Base (CB) Configuration:

In this circuit, base is positioned not unusual to both enter and output. It has low enter impedance (50-500 ohms). It has high output resistance (1-10 mega ohms).Voltages measured with appreciate to base terminals. So, enter voltage and cutting-edge could be Vbe & Ie and output voltage and current will be Vcb & Ic.

Current Gain could be less than team spirit i.E., alpha(dc)= Ic/Ie

Voltage gain might be high.

Power advantage could be common.

Transistor Common Emitter (CE) Configuration:

In this circuit, the emitter is located not unusual to each input and output. The enter signal is implemented between base and emitter and the output signal is implemented between collector and emitter. Vbb & Vcc are the voltages. It has excessive input impedance i.E., (500-5000 ohms). It has low output resistance i.E., (50-500 kilo ohms).

Current Gain could be excessive(ninety eight) i.E., beta(dc) =Ic/Ie

Power advantage is upto 37db.

Output could be a hundred and eighty levels out of phase.

Transistor Common Collector Configuration:

In this circuit, collector is located not unusual to each enter and output. This is likewise called emitter follower. It has excessive input impedance (150-600 kilo ohms).It has low output impedance(one hundred-a thousand ohms).

Current advantage could be excessive(ninety nine).

Voltage benefit will be much less than solidarity.

Power gain could be common.

Field Effect Transistor (FET):

Field Effect Transistor contains the 3 areas consisting of a supply, a gate, a drain. They are termed as voltage managed devices as they manipulate the level of voltage. To manage the electrical conduct, the externally implemented electric subject can be chosen that’s why referred to as as field impact transistors. In this, present day flows because of majority price carriers i.E., electrons, for this reason also called the uni-polar transistor. It has typically high input impedance in mega ohms with low frequency conductivity between drain and source managed by means of electric subject. FETs are notably green, lively & lesser in cost.

Field effect transistors are of two sorts i.E., Junction area effect transistors (JFET) and Metal oxide area effect transistors (MOSFET).The modern passes between the two channels named as n-network and p-channel.

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