Tesis
Design of four-quadrant analog multipliers robust to PVT variations
Autor
ROBERTO RAFAEL FLORES QUINTERO
Institución
Resumen
Analog multiplier is an essential operational block used in different fields of electronics,
especially in instrumentation where it's used recursively in control applications and signal
processing, this is due to its basic nature of a simple operation that can't be replaced
with no other operational block.
An ideal multiplier block could be modeled as a black box, where its inputs are two
electric signals and its output is the multiplication of them. Voltage is used as an input
signal in most topologies, but also there are some of them using input current instead,
these topologies are known as current mode multipliers.
The multiplication of two electric signals has different basic applications, for instance,
a sinusoidal one could be modulated by a physical variable, the amplitude of another
sinusoidal signal fixed by a second signal that could be voltage, here, the multiplier acts
as a controlled distortion attenuator also called volume control.
Materias
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