Here we report on multiple series-only SPNT circuits that utilize non-volatile phase-change material (PCM) radio-frequency (RF) switches: a single-pole, single-throw (SPST, SP1T), a single-pole, double-throw (SPDT, SP2T), a single-pole, four-throw (SP4T), and a single-pole, nine-throw (SP9T) circuit. All circuits were measured at both 25°C and …
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