STK412-750-E

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STK412-750-E Application Field And Working Principle

The STK412-750-E is a linear amplifier with a range of applications in the audio sector. This type of amplifier is used to increase power and fidelity of audio signals and is typically chosen for its high performance, reliability and affordability. It is available in various models depending on the system design requirements.

Applications

The STK412-750-E is suitable for the audio sector, including the following applications:

• PA systems
• Home stereo systems
• Stage lighting
• Broadcasting
• Recording
• Live sound reinforcement

The STK412-750-E is also ideal for high-fidelity and system design requirements in other areas, such as automobiles, aerospace and robotics.

Features

The STK412-750-E is an industry-leading audio amplifier, featuring an impressive range of features. These include:

• High power output – 1.5W RMS
• Low distortion – 0.2% at 1kHz
• Wide frequency response – 7Hz to 25kHz
• High input impedance – 10kΩ
• High current capability – 1.2A max
• Low thermal resistance – 0.7°C/W
• Small physical size

These features make the STK412-750-E a highly effective and reliable amplifier for audio applications.

Working Principle

The STK412-750-E uses a basic 4-quadrant transfer circuit which operates in two complementary modes. The input signal voltage is first amplified to a suitable level and then fed to the two complementary outputs. These outputs then drive two separate load elements, such as speakers. The output current from each load element is monitored and its instantaneous value used to control the amplification of the input voltage.

This feedback control ensures that the output signals faithfully reproduce the original input signals. As a result, the STK412-750-E can provide high-fidelity audio reproduction even at low supply voltages.

Conclusion

The STK412-750-E is a linear amplifier with a range of applications in the audio sector. This type of amplifier is used to increase power and fidelity of audio signals and is typically chosen for its high performance, reliability and affordability. The STK412-750-E uses a 4-quadrant transfer circuit which operates in two complementary modes and is capable of providing high-fidelity audio reproduction even at low supply voltages.

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