US 11,698,653 B2
System, device and method for generating a biasing current
Philex Ming-Yan Fan, Cambridge (GB); Benoit Labbe, Cambridge (GB); and Parameshwarappa Anand Kumar Savanth, Cambridge (GB)
Assigned to Arm Limited, Cambridge (GB)
Filed by Arm Limited, Cambridge (GB)
Filed on Jul. 23, 2019, as Appl. No. 16/520,112.
Prior Publication US 2021/0026389 A1, Jan. 28, 2021
Int. Cl. G05F 3/20 (2006.01); H03L 1/00 (2006.01)
CPC G05F 3/20 (2013.01) [H03L 1/00 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A system, comprising:
a first stage having a current bias generator that generates a biasing current, the current bias generator including a resistor structure that comprises an emulated resistor;
a second stage coupled to the first stage, wherein the second stage has a load that utilizes the biasing current generated by the current bias generator; and
a reference voltage generator that generates a reference voltage,
wherein the reference voltage generator includes a first native device structure and a first plurality of stacking transistor structures that are coupled in series between the supply voltage and ground,
wherein the first native device structure includes a gate that is coupled between a first transistor and a second transistor of the first plurality of stacking transistor structures,
wherein the resistor structure has a second plurality of stacking transistor structures coupled in series, and
wherein the reference voltage is used to activate the second plurality of stacking transistor structures.