In this paper a compact and highly linear MMIC single balanced mixer based on Heterojunction Interband Tunnel Diode (HITD) technology working at 1.8GHz, is described. The prototype consisted of a pair of HITDs biased at zero volts and a lumped element directional coupler with arbitrary impedance terminations. The salient feature of the mixer is the linearity due to the quasi square law DC characteristics exhibited by the device around zero voltage. The design techniques along with a detailed experimental validation are provided. The prototype exhibited an IIP3 power level of 17 dBm and a 1dB compression point of 7.5 dBm.
A highly linear single balanced mixer based on heterojunction interband tunneling diode / Cidronali A.; Collodi G.; Toccafondi C.; Deshpande M.; El-Zein N.; Manes G.; Nair V.; Goronkin H.. - STAMPA. - 3:(2001), pp. 91-94. (Intervento presentato al convegno IEEE MTT-S International Microwave Symposium) [10.1109/MWSYM.2001.966846].
A highly linear single balanced mixer based on heterojunction interband tunneling diode
Cidronali A.;Collodi G.;Toccafondi C.;Manes G.;
2001
Abstract
In this paper a compact and highly linear MMIC single balanced mixer based on Heterojunction Interband Tunnel Diode (HITD) technology working at 1.8GHz, is described. The prototype consisted of a pair of HITDs biased at zero volts and a lumped element directional coupler with arbitrary impedance terminations. The salient feature of the mixer is the linearity due to the quasi square law DC characteristics exhibited by the device around zero voltage. The design techniques along with a detailed experimental validation are provided. The prototype exhibited an IIP3 power level of 17 dBm and a 1dB compression point of 7.5 dBm.
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