Mikko Kaltiokallio

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A broadband 60-GHz receiver implemented in a 65-nm baseline CMOS technology is presented. A millimeter-wave front-end, including a single-ended low noise amplifier and a balanced resistive mixer, an IF-stage and an analog baseband circuit with an analog-to-digital converter are integrated on a single chip. The receiver achieves a measured 7.0-dB noise(More)
This paper presents the analysis, design, and measurements of a 2.5-GHz receiver front-end in a 40-nm CMOS technology. The front-end utilizes RLC-resonator quality factor (Q) boosting and four-phase N-path filtering to improve the blocker filtering capabilities of the low-noise amplifier (LNA). Systematic analysis is performed in order to obtain a thorough(More)
Passive-mixer-first receivers have recently demonstrated flexible, low-noise, and high-linearity performance. Likewise, capacitive coupling element antennas have been demonstrated to be a viable choice for mobile handset integration. This paper combines these two advances into a single-antenna wideband receiver that achieves a 0.7-2.7-GHz reception band.(More)
The design of a common-gate LNA for the wideband applications is discussed in this paper. First, the effect of the different components in matching network is analyzed in detail. This is followed by the design of a wideband input matching and output signal current for the input stage. A design example is given to demonstrate the effectiveness of the(More)
This paper focuses on the design of a highly tunable active polyphase filter with IRR better than 40dB. The active polyphase filter is implemented as a part of a simple RF receiver to demonstrate its feasibility for wide variety of wireless systems. The design consists of a high frequency adjustable gm-element that is optimized for active PPF. The filter(More)