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RMo2B-1: A 60-GHz Area-Efficient Coupled Standing-Wave-Oscillators LO Distribution Network for a 240-GHz 2-D Phased-Array
This paper presents a 60-GHz LO distribution network for a 240-GHz 2-D phased-array transceiver in TSMC 28-nm CMOS technology. The network couples multiple half-wavelength standing-wave oscillators (C...
RMo2B-2: A Compact 190GHz Push-Push Colpitts VCO in 130-nm BiCMOS with 3.5%-DC-to-RF Efficiency and 3.9-dBm Peak Output Power
A compact high-DC-to-RF-efficiency push-push Colpitts voltage-controlled oscillator (VCO) operating at 190 GHz is proposed. By introducing a second-harmonic quarter-wavelength open-circuited transmiss...
RMo2B-3: An Image-Reused Phase-Tuning mm-Wave QVCO with a FoMT of -204 dBc/Hz
This paper presents an image-reused phase tuning technique (IPTT) for millimeter-wave (mm-wave) quadrature voltage-controlled oscillators (QVCOs). The phase shifter addresses the -45°–45° phase rotati...
RMo2B-4: A 580-µW 13.8–16.2-GHz Series-Tank-Assisted Transformer-Based Oscillator Achieving -188 dBc/Hz FoM and 50MHz/V Supply Pushing
This paper proposes a sub-mW LC-oscillator operating from 13.8 to 16.2 GHz. The proposed oscillator employs a self-biased inverter-based complementary Gm-cell with series capacitors that shield the ma...
RMo2C-1: A 28–40GHz 6-Bit Variable Gain Phase Shifter with <0.4°/<0.31dB PS RMS Phase/Gain Errors and 31.5-dB Gain Tuning Range
This paper presents a 28–40 GHz 6-bit variable gain phase shifter (VGPS) with 31.5-dB tuning range and low RMS phase/gain errors in 65-nm CMOS for millimeter-wave (mm-Wave) applications. A novel VGPS ...
RMo2C-2: A V-Band Transmitter Front-End IC for Phased-Array FMCW Radar with Impedance-Invariant Variable-Gain Phase Shifter
This paper presents a V-band transmitter front-end (TXFE) IC for phased-array frequency-modulated continuous wave (FMCW) radar, which includes a variable-gain phase shifter and medium-output power amp...
RMo2C-3: A Compact 25–32GHz Frequency Doubler with up to 32% Efficiency and >39 dBc Harmonic Rejection in 22nm FDSOI
A frequency doubler with state-of-the-art power efficiency, high harmonic rejection, and a compact footprint is presented. The doubler utilizes a push-push architecture with a three-coil transformer l...
RMo2C-4: A 24–31GHz Compact Low-Power Complex Impedance Sensor for Beamforming Transmitters in 22nm FD-SOI
We present a complex impedance sensor to measure the impedance variations at the output of a (phased-array) transmitter (TX) operating around 28GHz. Based on complex voltage sensing of the output balu...
RMo2C-5: An Ultra-Compact and Broadband C-X-Band Wilkinson Power Divider/Combiner Using a Folded Two-Section Mechanism in 65-nm Bulk CMOS Technology
This paper presents an ultra-compact and broadband C-X-band Wilkinson power divider/combiner comprised of two power combining 1:4 units, respectively for IF and LO frequency. To overcome the isolation...
RMo3A-1: A 13.5 to 23GHz Compact PLL Based on a 0.006mm² Transformer-Based Dual-Resonator Tuned LC VCO in 5nm CMOS
A transformer-based, dual-resonator tuning technique is introduced to enable a wide frequency tuning range LC VCO while occupying a compact area. The VCO, implemented in 5nm CMOS, overcomes the induct...