![]() ![]() The useful dynamic range extends to 100 mA as a switch and to. The amplifier we are going to design is a simple. ![]() There are several advantages with multistage amplifiers, notably achieving high gain with good frequency response and low level distortion. This device is designed as a general purpose amplifier and switch. This article shows a design process for a simple four stage BJT Amplifier based on the popular silicon 2N3904 NPN transistor. ![]() In 2N3904, when the base pin is grounded the emitter and collector will be opened which is known as reverse-biased while the emitter and collector will be closed when the signals will be transferred to the base pin this is known as forward biased. 2N3904 Datasheet(HTML) 1 Page - Fairchild Semiconductor : zoom in zoom out 1 / 7 page. NPN BJT 2N3904 ON Semiconductors Shop Partner Program Print Workbench. It is a type of Bipolar Junction Transistor BJT as it is a current-controlled transistor. Join 9,430,000 engineers with over 4,880,000 free CAD files Join the Community. It has three terminals Emitter, Base and Collector.
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