Source-follower based voltage mode transmitter
AssigneeTexas Instruments Incorporated
InventorsMatthew D. Rowley, Rajarshi Mukhopadhyay
Life of this patent
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Abstract
An apparatus is provided. A first switch is coupled between first and third nodes in an H-bridge. A second switch is coupled between first and fourth nodes in the H-bridge. A third switch is coupled between the second and third nodes. A fourth switch is coupled between second and fourth nodes in the H-bridge. A first source-follower is coupled to the first node of the H-bridge and the first supply rail, and the first source-follower is configured to receive a first reference signal. A second source-follower is coupled to the second node of the H-bridge and the second supply rail, and the second source-follower is configured to receive a second reference signal.
Claims16
An apparatus comprising:
- a first supply rail;
- a second supply rail;
- an H-bridge having:
- a first node;
- a second node;
- a third node;
- a fourth node;
- a first switch that is coupled between the first and third nodes;
- a second switch that is coupled between the first and fourth nodes;
- a third switch that is coupled between the second and third nodes;
- and
- a fourth switch that is coupled between the second and fourth nodes;
- a first source-follower that is coupled to the first node of the H-bridge, that is coupled to the first supply rail, and that is configured to receive a first reference signal;
- and
- a second source-follower that is coupled to the second node of the H-bridge, that is coupled to the second supply rail, and that is configured to receive a second reference signal.
An apparatus comprising:
- a first supply rail;
- a second supply rail;
- a transmitter having:
- a transmit circuit;
- an H-bridge having:
- a first node;
- a second node;
- a third node;
- a fourth node;
- a first switch that is coupled between the first and third nodes and that is controlled by the transmit circuit;
- a second switch that is coupled between the first and fourth nodes and that is controlled by the transmit circuit;
- a third switch that is coupled between the second and third nodes and that is controlled by the transmit circuit;
- and
- a fourth switch that is coupled between the second and fourth nodes and that is controlled by the transmit circuit;
- a first source-follower that is coupled to the first node of the H-bridge, that is coupled to the first supply rail, and that is configured to receive a first reference signal;
- and
- a second source-follower that is coupled to the second node of the H-bridge, that is coupled to the second supply rail, and that is configured to receive a second reference signal;
- an transmission channel that is coupled to the third and fourth nodes;
- and
- a receiver that is coupled to the interconnect.
The apparatus of claim 14, wherein the transmission channel further comprises an interconnect.
Dependencies are inferred from the claim text.