Patent ID: 11880252
Assignee: SK HYNIX INC.
Field: Computer technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 15:
16. A system for testing power noise susceptibility of a storage device, the system comprising:
a first relay configured to receive a power supply voltage and output the power supply voltage to a first path or a second path in response to a frequency selection signal;
a second relay configured to receive a noise function and output the noise function to the first path or the second path in response to the frequency selection signal; and
a third relay coupled to the first path or the second path in response to the frequency selection signal and the storage device,
wherein the first path includes:
a first regulator configured to receive the power supply voltage and regulate the power supply voltage to generate a first regulated power supply voltage;
an operational amplifier configured to receive the noise function and generate a high noise function in response to the first regulated power supply voltage; and
a capacitor injection circuit configured to receive the power supply voltage, the noise function and the high noise function and generate a low noise function and a first power noise corresponding to the sum of the power supply voltage and the high noise function, and
wherein the second path includes:
a second regulator configured to receive the power supply voltage and regulate the power supply voltage to generate a second regulated power supply voltage; and
a power amplifier injection circuit configured to receive the second regulated power supply voltage and the low noise function and generate a second power noise corresponding to the sum of the power supply voltage and the low noise function, and
wherein the third relay selectively receives the first power noise and the second power noise in response to the frequency selection signal and provides the storage device with the selectively received power noise.