{"product_id":"9780852967942","title":"Ridge Waveguides and Passive Microwave Components","description":"\u003cp\u003eThe ridge waveguide, which is a rectangular waveguide with one or more metal inserts (ridges), is an important transmission line in microwave engineering, now widely used in commercial electronics and communications devices. A definitive reference source on this topic, this book will enable the reader to have direct access to this subject without need for exhaustive search of research papers.\u003c\/p\u003e","brand":"The Institution of Engineering and Technology","offers":[{"title":"Default Title","offer_id":47018514841840,"sku":"9780852967942","price":135.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/9780852967942_p0.jpg?v=1763824985","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/9780852967942","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}