FG Integrierte Breitband- und Höchstfrequenzschaltungen

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A 216–256 GHz fully differential frequency multiplier-by-8 chain with 0 dBm output power

Eissa, Mohamed Hussein ; Malignaggi, Andrea ; Ko, Minsu ; Schmalz, Klaus ; Borngräber, Johannes ; Ulusoy, Ahmet Cagri ; Kissinger, Dietmar (2018-03-05)

This work presents a fully differential wideband and low power 240 GHz multiplier-by-8 chain, manufactured in IHP's 130 nm SiGe:C BiCMOS technology with fT/fmax = 300/500 GHz. A single ended 30 GHz input signal is multiplied by 8 using Gilbert cell-based quadrupler and doubler, and then amplified with a wideband differential 3-stage cascode amplifier. To achieve wide bandwidth and optimize for ...