High Efficiency, Main Power Supply Controller for Notebook Computer

General Description The RT8223N is a dual step-down, switch-mode power supply controller generating logic-supply voltages in battery-powered systems. It includes two Pulse Width Modulation (PWM) controllers adjustable from 2V to 5.5V, and also features fixed 5V/3.3V linear regulators. Feat

笔记本电脑主电源供应控制器

FSK Decoder and DTMF Receiver IC

OVERVIEW The SM8223A is a FSK (Frequency shift keying) decoder and DTMF (Dual tone multi-frequency) receiver IC. It is fabricated using a CMOS process and features a power-down function for low power dissipation operation. The FSK decoder and DTMF receiver have the same performance characteristic

ATM Transmitter/Receiver with UTOPIA Interface

The CN8223 ATM Transmitter/Receiver with UTOPIA Level 1 interface provides a single-access ATM service termination for User-to-Network (UNI) and Network-to-Network Interfacing (NNI) in conformance with ATM Forum UNI and NNI Specification 94/0317; Bellcore Specifications TR-TSV-000772, TR-TSV-00077

FSK Decoder and DTMF Receiver IC

OVERVIEW The SM8223A is a FSK (Frequency shift keying) decoder and DTMF (Dual tone multi-frequency) receiver IC. It is fabricated using a CMOS process and features a power-down function for low power dissipation operation. The FSK decoder and DTMF receiver have the same performance characteristic

MULTISTANDARD VIDEO AND SOUND IF SYSTEM WITH AUDIO AND VIDEO SWITCHES

DESCRIPTION TheSTV8223Bis a pictureand soundIF processor for multistandardapplication with very few external components and adjustments. It provides the audio and video switches for one SCART plug application. ■ VIDEO PLL DEMODULATION ■ SOUND PLL DEMODULATION ■ NEGATIVE MODULATION ■ AGC FOR

LOW FREQUENCY POWER AMPLIFIER

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