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STK412-020 PDF Datasheet – AF Power Amplifier

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An audio power amplifier is an electronic device that increases the amplitude of audio signals, allowing them to drive loudspeakers and produce sound at higher volumes. Audio power amplifiers are commonly used in various applications, from home stereo systems to professional sound reinforcement setups.

Part Number: STK412-020

Function: Class H Audio Power Amplifier Hybrid IC

Package: SIP 18 Pin

Manufacturer: Sanyo Semiconductor

Images:STK412-020 pdf amplifier

Description

This is Two-Channel Shift Power Supply Audio Power Amplifier IC. The STK412-020, STK412-000 series are class H audio power amplifier hybrid ICs that feature a built-in shift power supply circuit. These ICs provide high efficiency audio power amplification by controlling (switching) the supply voltage supplied to the power transistors according to the detected level of the input audio signal.

Features

• Pin compatible IC series that covers power ratings from 50 W × 2 channels to 180 W × 2 channels at 0.7 or 0.8% THD, 20 Hz to 20 kHz. This allows the use of a common PCB for all output classes.

• The pin arrangement is also unified with that of the three-channel STK413-000 series. This means that PCBs designed for three-channel models can also be used for two-channel models.

• Miniature package

— 50 W/ch to 120 W/ch (THD = 0.8%, f = 20 Hz to 20 kHz): 64 × 36.5× 8.5 mm-

— 150 W/ch to 180 W/ch (THD = 0.7%, f = 20 Hz to 20 kHz): 78 × 44× 9 mm- – Not including the IC pins.

• Allowable load shorted time: 0.3 s   […]STK412-020 datasheet pinout

STK412-020 PDF Datasheet

RTM876-660 PDF – SSOP56, Frequency Generator – Realtek

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This post explains for the Frequency Generator.

The Part Number is RTM876-660.

The function of this semiconductor is 56 pin single-chip frequency generator.

Manufacturer: Realtek Semiconductor Corp ( http://www.realtek.com.tw )

Preview images :RTM876-660 pinout datasheet

Description

A frequency generator is a device or software that is capable of producing electrical signals at various frequencies. It is commonly used in electronics, telecommunications, scientific research, and other fields where precise frequency control is required.

The RTM876-660 is a 56 pin single-chip frequency generator.

Frequency generators can generate signals across a wide range of frequencies, from very low frequencies (in the hertz or millihertz range) to extremely high frequencies (in the gigahertz or terahertz range). They are often used for testing and calibrating electronic equipment, as well as for stimulating and measuring the response of circuits and systems.

 

RTM876-660 Support Pin Features:

• 2 – Differential pairs push-pull CPU @0.8V or @3.3V

• 6 – Differential pairs push-pull PCI-E @0.8V

• 1 – Differential pairs push-pull SATA @0.8V or PCI-E @0.8V

• 1 – Differential pairs push-pull DOT96/ SATA@0.8V or 2-Link @3.3V

• 7 – PCI @3.3V

• 2 – 48MHz @3.3V

• 3 – REF @3.3V, 14.318MHz

Others Features:

• Programmable frequency with CPU/PCIE/AGP/PCI

• CPU working range support from 100MHz to 400MHz

• Independent clock group Spread spectrum for EMI control

• Power Management function support

• Watchdog programmable time base reset output

• 4-steps programmable drive strength

• 16-steps programmable skew adjustment with 75p resolution

• 4-stages dynamic frequency switch with innovative AFM over-clock profile

• PCIE clock phase jitter < 86ps.

RTM876-660 pdf

There are different types of frequency generators available, including analog generators and digital generators. Analog frequency generators typically use oscillators or voltage-controlled oscillators (VCOs) to generate signals, while digital generators use direct digital synthesis (DDS) techniques to generate precise and stable frequencies.

RTM876-660 PDF Datasheet


 

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