Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Amplitude control
Reexamination Certificate
2006-09-12
2006-09-12
Le, Dinh T. (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Signal converting, shaping, or generating
Amplitude control
C333S08100R
Reexamination Certificate
active
07106122
ABSTRACT:
An apparatus for providing a programmable gain attenuator (PGA) while minimizing the influence of semiconductor switches on the signal being attenuated. An example apparatus comprises a impedance ladder with taps forming the junctions between impedances the PGA is then programmed by grounding the taps through terminating resistors.
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Le Dinh T.
Sterne Kessler Goldstein & Fox P.L.L.C.
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