Configurable circuits using phase change switches

Details Configurable circuits using phase change switches Configurable circuits using phase change switches

2006-08-01

2009-12-15

Pert, Evan (Department: 2826)

Telecommunications

Receiver or analog modulated signal frequency converter

With particular receiver circuit

C455S341000

Reexamination Certificate

active

07634248

ABSTRACT:
Configurable circuits using phase change switches are described. The switches use phase change or phase transition material to create configurable connections between devices and/or interconnecting layers of an integrated circuit in order to change the behavior of the circuit after manufacturing. In at least some embodiments, the phase of the material can be a crystalline phase or an amorphous phase. A phase change can be caused by heating the material, such as with an ohmic heater fabricated on the IC. As one example, germanium-antimony-tellurium (GeSbTe) can be used for the phase change material. The switches can be used to create configurable circuits such as low noise amplifiers and mixers, which can in turn be used to create configurable receivers or other analog circuits.

REFERENCES:
patent: 6448576 (2002-09-01), Davis et al.
patent: 7378895 (2008-05-01), Hsu et al.
patent: 7388273 (2008-06-01), Burr et al.

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