Texas Instruments Corporation

Prashuk Jain

Ravikumar Pattipaka

Sandeep Kesrimal Oswal

Vajeed Nimran Parambil Abdul Raheem

Vajeed Nimran

A differential to single-ended summation circuit includes a first switch which includes a first terminal coupled to a first circuit input and includes a second terminal. The circuit includes a second switch which includes a first terminal coupled to a second circuit input and includes a second terminal. The circuit includes a holding capacitor which includes a first terminal coupled to the second terminal of the first switch and a second terminal coupled to the second terminal of the second switch. The circuit includes a third switch which includes a first terminal coupled to the second terminal of the first switch and a second terminal coupled to a circuit output. The circuit includes a fourth switch including a first terminal coupled to the second terminal of the second switch and a second terminal coupled to a common potential.

Differential to single-ended summation circuit with improved common-mode rejection ratio

A delay line control circuit includes a pseudo-random number generator and a random phase generator circuit coupled to the pseudo-random number generator. The pseudo-random number generator is configured to produce a predetermined sequence of pseudo-random values. The random phase generator circuit is configured to randomize an access sequence for capacitors of a delay line. The random phase generator circuit includes a sequence register, an adder, and gating circuitry. The sequence register is configured to a store a value identifying one of the capacitors to be accessed. The adder is coupled to the sequence register, and is configured to increment the value stored in sequence register. The gating circuitry is coupled to the pseudo-random number generator and the adder. The gating circuitry is configured to pass one of the pseudo-random values to the adder for addition to the value stored in the sequence register.

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Bengaluru, India

Prashuk Jain