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Read out integrated circuit (ROIC) for rapid testing and characterization of conductivity skew of phase-change material (PCM) in PCM radio frequency (RF) switches
Read out integrated circuit (ROIC) for rapid testing and characterization of conductivity skew of phase-change material (PCM) in PCM radio frequency (RF) switches
A rapid testing read out integrated circuit (ROIC) includes phase-change material (PCM) radio frequency (RF) switches residing on an application specific integrated circuit (ASIC). Each PCM RF switch includes a PCM and a heating element transverse to the PCM. The ASIC is configured to provide amorphizing and crystallizing electrical pulses to a selected PCM RF switch. The ASIC is also configured to generate data for determining and characterizing OFF state conductivity skew and ON state conductivity skew of the PCM in the selected PCM RF switch after the ASIC performs a plurality of OFF/ON cycles. In one implementation, a testing method using the ASIC is disclosed.
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