Data amplifier and laser supply circuit for CD audio and video optical systems ADALASAuto Data amplifier and laser supply circuit for CD audio and video optical systems ((ADALASAuto)(搴????D?抽????棰??瀛?郴缁?腑??????澶у???????婧??璺? Data amplifier and laser supply circuit for CD audio and video optical systems ((ADALASAuto)(应用在CD音频和视频光学系统中的数据放大器和激光电源电 数据放大器和激光CD音频和视频(ADALASAuto)(应用在CD光学系统的供电线路音频和视频光学系统中的数据放大器和激光电源电路)