This paper presents the design and fabrication of a heterogeneous power amplifier (PA) incorporating gallium nitride (GaN) high electron mobility transistor (HEMT) dielets into a single-crystal diamon...
This paper presents a transformer-based voltage-controlled oscillator (VCO) with a digitally controlled common-mode impedance tuner that adjusts the second-harmonic voltage phase. A transformer-couple...
This paper presents a 5.56–9.09 GHz octa-core dual-mode digitally controlled oscillator (DCO) based on a multi-tap three-turn inductor. Owing to a frequency-independent passive gain of up to 3 and the...
This paper presents a low phase noise (PN) balanced inverse-class-F (class-F-1) voltage-controlled oscillator (VCO). The proposed trifilar transformer integrates dual symmetrical class-F-1 VCO cores w...
A technique is introduced for generating four or more multiphase signals by coupling Class-B cores through a shared tail current source. This approach eliminates additional coupling devices while enab...
This paper presents a dual-core dual-mode series-resonance (SR) CMOS voltage-control-oscillator (VCO). By integrating the multi-mode technique with the SR-VCO, this work achieves ultra-low phase noise...
This paper presents a novel 3D-redistribution layer (3D-RDL) passive technology for a high-efficient broadband Doherty power amplifier (DPA). The comparison with the DPA reference based on bondwire te...
This paper presents a 7-GHz GaN-on-Si HEMT Doherty power amplifier (DPA) with a fully integrated on-chip Doherty combiner. The hybrid MMIC-module architecture ensures precise Doherty operation with en...
This paper presents prototype designs for a 60GHz LNA and PA in a leading-edge logic process node featuring gate-all-around (GAA) CMOS transistors and backside power delivery (BSPD). Layout optimizati...
This article presents an integrated power amplifier operating in the WR3.4 waveguide band between 220 and 325 GHz. The circuit is implemented in an 130nm BiCMOS technology, which offers heterojunction...