PA89

Voltage - Input Offset:	500µV
Base Part Number:	PA89
Supplier Device Package:	12-DIP
Package / Case:	12-DIP Module
Mounting Type:	Through Hole
Operating Temperature:	-25°C ~ 85°C
Voltage - Supply, Single/Dual (±):	150 V ~ 1200 V, ±75 V ~ 600 V
Current - Output / Channel:	75mA
Current - Supply:	4.8mA
Series:	Apex Precision Power®
Current - Input Bias:	5pA
Gain Bandwidth Product:	10MHz
Slew Rate:	16 V/µs
Output Type:	--
Number of Circuits:	1
Amplifier Type:	Power
Part Status:	Active
Packaging:	Tube

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Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps

PA89 is a versatile amplifier that can be used in a variety of applications, from entertainment to instrumentation. This type of amplifier has the capability to amplify weak signals, making it useful in audio and video applications such as power amplifiers, preamplifiers, buffers, and even integrated circuits. This article will discuss the application field and working principle of PA89.

Application Field

PA89 can be used for a wide range of applications, including audio, video and instrumentation. In terms of audio applications, PA89 can be used to create power amplifiers, subwoofers, and preamplifiers. It can be used as a buffer in between a preamplifier and an audio power amplifier. In terms of video applications, it can be used as a buffer between a video power amplifier and an LCD monitor. It is also used in instrumentation applications such as medical imaging systems, temperature and humidity monitoring, and environmental control systems.

Working Principle

The basic working principle of PA89 is to amplify weak signals. It utilizes bipolar transistors to increase the power of incoming signals. In other words, it amplifies the current flowing through a given circuit by increasing its voltage level. PA89 also has a high input impedance, allowing it to handle signals from both low and high frequency sources. This also helps reduce distortion of incoming signals.The output stage of PA89 has two power transistors that control the voltage level of the signal. A high output voltage is created when the voltage level of the incoming signal surpasses that of the power transistors. This increases the strength of the signal, thus allowing it to be heard clearly by the listener.

Conclusion

PA89 is a versatile amplifier that can be used in a variety of applications, ranging from entertainment to instrumentation. It is capable of amplifying weak signals, making it useful in audio and video applications such as power amplifiers, preamplifiers, and even integrated circuits. It utilizes bipolar transistors in its output stage to increase the power of incoming signals, and has a high input impedance, allowing it to accept signals from both low and high frequency sources. All of these features make PA89 an excellent choice for many applications.

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