Warning: file_put_contents(): Only 0 of 5012 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/69228.com/index.php on line 55 pilipili污染版免费,夜夜嗨国产,欧日韩高清av在线播放
An intermediate frequency(IF) variable gain amplifier(VGA) for DVB-C(Digital video broadcasting-cable) standard is presented in the paper. 設計了一種適於DVB-C標準的中頻可變增益放大器。