An RF mixer provides extended dynamic range with reduced noise by utilizing degeneration inductors in the RF input section of a doubly balanced mixer. Degeneration inductors are also utilized in a mixer having a class AB input section. A current mirror in the class AB input section is also inductively...http://www.google.ca/patents/US6122497?utm_source=gb-gplus-sharePatent US6122497 - RF mixer with inductive degeneration
