Fazeel
Hajee Mohammed Shuaeb Fazeel, Bangalore IN
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20120187978 | Methods and Circuits for Calibrating Multi-Modal Termination Schemes - Disclosed are methods and circuits that support different on-die termination (ODT) schemes for a plurality of signaling schemes using a relatively small number of external calibration pads. These methods and circuits develop control signals for calibrating any of multiple termination schemes that might be used by associated communication circuits. The ODT control circuits, entirely or predominantly instantiated on-die, share circuit resources employed in support of the different termination schemes to save die area. | 07-26-2012 |
H. Mohammed Shuaeb Fazeel, Bangalore IN
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20150054560 | DC Offset Correction with Low Frequency Signal Support Circuits and Methods - DC offset correction is provided with low frequency support. A first input terminal for receiving an input signal is selectively coupled to a resistance and a capacitor that are series coupled between the first input terminal and a corresponding output terminal. In a calibration phase, the series resistance is coupled between the input terminal and the capacitor and an average voltage level of the input is stored on capacitor. In a signal processing phase, the charged capacitor is coupled in series between the input terminal and the output terminal while the resistance is bypassed. The output signal obtained contains the high and low frequency components of the input signal, while the DC offset in the input signal is removed from the output signal. A differential circuit and methods are disclosed. Additional embodiments are disclosed. | 02-26-2015 |
Shuaeb Fazeel, Bangalore IN
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20150077070 | FEEDFORWARD CANCELLATION OF POWER SUPPLY NOISE IN A VOLTAGE REGULATOR - A voltage regulator that provides feedforward cancellation of power supply noise is disclosed. The voltage regulator includes a process tracking circuit that receives a supply voltage and generates a proportional voltage. A tracking capacitor is coupled to the process tracking circuit and generates an injection voltage based on the proportional voltage. An Ahuja compensated regulator generates a regulated voltage. The injection voltage is provided on a feedback path of the Ahuja compensated regulator. | 03-19-2015 |