{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"op-amp circuits design","author_name":"RI )MA CHANG QING TAI LANG HE XI CAI YI","thumbnail_url":"https://www.ebooknetworking.net/books/703/018/big7030184319.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-7030184319.html\">op-amp circuits design</a>","width":400,"height":300}