Title :
High Performance UHF Varactor Tuner with a Dual-Gate GaAs Mesfet and GaAs Varactor Diodes
Author :
Sato, Takeshi ; Hashima, Akio ; Kawai, Yumio
Author_Institution :
Wireless Research Laboratory Matsushita Electric Industrial Co., Ltd.
Abstract :
It has become necessary to improve the performance of UHF varactor tuners with the recent popularization of UHF TV broadcasting. Their performance is generally poor in noise figure, cross modulation and image signal immunity.
Keywords :
Diodes; Gallium arsenide; MESFETs; MOSFET circuits; Noise figure; RLC circuits; Radiofrequency amplifiers; Tuners; UHF circuits; Varactors;
Journal_Title :
Consumer Electronics, IEEE Transactions on
DOI :
10.1109/TCE.1980.273396