MD984

Series:	--
Packaging:	Bulk
Part Status:	Obsolete
Transistor Type:	--
Current - Collector (Ic) (Max):	--
Voltage - Collector Emitter Breakdown (Max):	--
Vce Saturation (Max) @ Ib, Ic:	--
Current - Collector Cutoff (Max):	--
DC Current Gain (hFE) (Min) @ Ic, Vce:	--
Power - Max:	--
Frequency - Transition:	--
Operating Temperature:	--
Mounting Type:	Through Hole
Package / Case:	TO-78-6 Metal Can
Supplier Device Package:	TO-78-6

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MD984 Application Field and Working Principle

Introduction

MD984 is a type of transistors known as Bipolar Junction Transistors (BJT). This type of transistor, which can be found as two- or three-element arrays, is commonly used in various types of amplifiers and signal conditioners. BJTs are capable of achieving wide range of current and voltage gains in applications where the input signal is weakened or distorted. A single BJT can be used in simple amplifiers or multiple transistors can be combined in an array configuration. This article will discuss the application field of MD984 BJT arrays and their working principle.

Application Field

MD984 BJT arrays are primarily designed for audio applications such as amplifiers, equalizers and oscillators. They offer a wide range of current and voltage gains for input signals of varying levels. In addition, these arrays are useful for power conditioning, high power amplifying and switching circuits. MD984 BJT arrays can also be used in HVAC applications to control large currents and voltages. For example, they can be used in high voltage control systems to regulate the functioning of motors, solenoids and pumps.Other applications include telecommunications, automotive electronics and medical electronics.

Working Principle

MD984 BJT arrays are three-terminal devices. These arrays consist of two or more BJTs that are connected in a parallel configuration. Each BJT is composed of two diodes and three terminals: the emitter, the base and the collector. The BJTs in the array act as voltage regulators, amplifiers and switches when a small input voltage or current is applied to the base terminal. The current flowing from the collector to the emitter is controlled by the input signal. The base-emitter junction acts as a diode which allows current to flow from the emitter to the base. This in turn, produces a voltage gain at the collector terminal. In addition, the MD984 BJT arrays can be used for power switching and regulation. This is accomplished by using the BJT to control the current flow in three different stages: the forward, reverse and dynamic bias states. In the forward bias state, current flows through the collector-emitter junction. In the reverse bias state, the base is biased so that current cannot flow through the collector-emitter junction. In the dynamic bias state, the base voltage is adjusted to maintain a constant current flow through the collector-emitter junction.

Conclusion

In conclusion, MD984 BJT arrays are a type of transistor array which are used in audio applications such as amplifiers, equalizers and oscillators. They are capable of achieving wide range of current and voltage gains for input signals. The working principle of these arrays is based on the parallel connection of two or more BJTs, each of which is composed of two diodes and three terminals. In addition, MD984 BJT arrays can also be used for power conditioning and high power amplifying.

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