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This letter presents a wideband and high conversion gain mixer based on Gilbert-cell in InP DHBT process. ... Capacitive degeneration is introduced to increase the bandwidth of the mixer with no voltage drop and few cost of area. Current bleeding technique is employed to improve conversion gain. ... This letter presents a wideband and high conversion gain mixer based on Gilbert-cell. ...doi:10.1587/elex.18.20210225 fatcat:ia4inidgp5duxg6mnrmzf6w7d4
The topology includes a course gain tuning pre-amplifier, a folded Gilbert variable gain amplifier (VGA) with a symmetrical dB-linear voltage generator and a 10-bit R-2R DAC for fine gain tuning, a level ... The analog baseband chip is fabricated using 130-nm SiGe BiCMOS technology. ... In essence, the Gilbert cell adjusts its gain via the current switching technique, but the difference between current switching and Gilbert cell lies in the current feeding through load resistors. ...doi:10.3390/electronics9050831 fatcat:nod727kop5aidpfnowmwvyruhi
Accordingly, two kinds of IQ-demodulators, consisting of a quadrature signal generator and two current bleeding mixers, are designed to convert the RF frequency of 24 GHz to the low frequency region of ... A 24 GHz gain boosting LNA, using transformer based noise cancellation and single-ended neutralization techniques, is proposed. ... Without his guidance and encouragement, it would never be possible for me to become a high frequency chip designer. ...doi:10.14279/depositonce-9603 fatcat:pqstlac47fadrdrr7fokv3o5v4