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STK2025 PDF Datasheet – 2Ch, Darlington AF Power Amplifier

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Part Number: STK2025

Function: 2-Channel Darlington Power Pack ( With emitter resistance )

Case Outline : 4015 Type

Manufacturer: Sanyo

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1 page
STK2025 pdf datasheet

Description

General output stage of power amplifier has a difficult and complex problem about heat sink designing and its setting. Sanyo’s D.P.P. intends to decrease eletronic parts and rationalize a manufacturing process by designing IC of only output stage of power amplifier.

An AF (Audio Frequency) Power Amplifier is an electronic device or circuit designed to amplify low-frequency audio signals, typically in the range of human hearing (20 Hz to 20,000 Hz). The primary purpose of an AF power amplifier is to take a weak audio signal, such as the output from a microphone, a musical instrument, or an audio source, and increase its power and voltage level to drive a loudspeaker or headphones, thereby producing audible sound.

Features

1. IMST system

2. Output stage for AF high power amplifier

3. Dual power supply

4. Darlington type pure / quasi-complementary circut

 

STK2025 circuit diagram

Other data sheets are available within the file: STK0030, STK1030, STK2230, STK8050, STK8280

STK2025 PDF Datasheet

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OM8370 PDF Datasheet – Processor for TV, Pinout

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Part Number: OM8370, OM8370PS/N3/2, 0M8370

Function: TV Processor, Electronics Semicondcutor

Package: DIP 64 Pin

Manufacturer: Philips Semiconductor, NXP

Images:

1 page
OM8370 pdf datasheet

Description

The OM8370 is the latest developed by Philips semiconductor.

It connects MCU with TV Processor is integrated in three integrated circuits and can demodulate PAL and NTsC systems. A microcontroller (MCU) with a TV processor is a type of embedded system that combines the functionality of a microcontroller with that of a TV (television) processor. This combination enables the MCU to interface with television signals, process video and audio data, and perform various tasks related to television applications.

Features

1. TV processing.

(1) Built-in IF circuit free demodulator.

(2) The intrinsic time constant is controlled by the IF AGC circuit.

(3) The single-channel sound carrier IF has a sound phase-locked loop demodulation circuit, and the selectable frequencies are: ⒋5, 5.5, 6,0, 6.5MIIz.

(4) Internal CVIBs and external CVIBs or Y/C signal can be selected.

(5) Has a complete chrominance channel circuit.

(6) The brightness delay linear circuit for adjusting time is integrated inside.

2. CPU processing.

(1) Adopt sOC51CPU standard core control.

(2) The period of the control time is 1us.

(3) Built-in 32K × 8 or 48K × 8 bytes of read-only memory.

(4) Built-in 3.5K × 8 bytes of auxiliary random access memory (sufficient to meet the display requirements of 1. K × 8 bytes)

(5) 14-bit PWM integrated tuning voltage.

 

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OM8370 pinout processor

 

OM8370 PDF Datasheet