Three-Phase Brushless Motor Driver for VCR Capstan Motors

Overview The LB1987, LB1987D, LB1987M, and LB1987H are optimal capstan motor drivers for use in VCR sets. Functions • Three-phase full-wave current-linear drive • Torque ripple correction circuit (fixed correction ratio) • Current limiter circuit with control characteristics gain switching •

High Definition Audio SoundMAX Codec

GENERAL DESCRIPTION The AD1987 audio codec and SoundMAX® software provides superior HD audio quality that exceeds Vista Premium performance. The AD1987 has eight DACs and four ADCs, three stereo headphone ports, C/LFE swapping, digital and analog PCBeep, and S/PDIF output, making the AD1987 the r

High Definition Audio SoundMAX Codec

GENERAL DESCRIPTION The AD1987 audio codec and SoundMAX® software provides superior HD audio quality that exceeds Vista Premium performance. The AD1987 has eight DACs and four ADCs, three stereo headphone ports, C/LFE swapping, digital and analog PCBeep, and S/PDIF output, making the AD1987 the r

High Definition Audio SoundMAX Codec

GENERAL DESCRIPTION The AD1987 audio codec and SoundMAX® software provides superior HD audio quality that exceeds Vista Premium performance. The AD1987 has eight DACs and four ADCs, three stereo headphone ports, C/LFE swapping, digital and analog PCBeep, and S/PDIF output, making the AD1987 the r

Power Amplifier Applications

文件：136.1 Kbytes Page：4 Pages

cdma2000/IS-95/AMPS

文件：1.22977 Mbytes Page：27 Pages