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The design of a 0.18μm BiCMOS upconverter in Ka-band is presented. The upconverter consists of a single-ended-to-differential active balun, double-balanced Gilbert mixer cell, differential amplifier, and band pass filter. The input active balun is used to facilitate on-wafer characterization from a single-ended IF signal. With an LO power of 0.6 dBm, the upconverter exhibits a conversion gain of 22...
A 60-GHz on/off-keying (OOK) modulator supporting up to 2.5-Gbps data rate is presented. The proposed OOK modulator employs the data-dependent impedance cell to improve ON/OFF isolation. Based on a single-stage cascode amplifier, the OOK modulator achieves 36.5-dB isolation and 11.5-dB forward gain, resulting in very high ON/OFF isolation of 48 dB by incorporating the data-dependent impedance cell...
A 60 GHz on/off-keying (OOK) modulator with data-dependent impedance cell for enhanced ON/OFF isolation supporting up to 2.5 Gbps data rate is presented. Based on a single-stage cascode amplifier, the OOK modulator achieves 36.5 dB isolation and 11.5 dB forward gain, resulting in very high ON/OFF isolation of 48 dB by incorporating the data-dependent impedance cell. The OOK modulator is realized in...
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