Review Article
A Review of 5G Power Amplifier Design at cm-Wave and mm-Wave Frequencies
Figure 19
(a) A simplified schematic showing the proposed digitally intensive broadband Doherty transmitter in 0.13 μm SiGe BiCMOS [37]; (b) CW measured small-signal -parameters and large-signal / data, indicating dual-mode PA operation covering three 5G bands; (c) chip micrograph.
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