| 摘要 |
A computer usable medium such as a PC card comprises a plurality of sub-systems 2, 3, each of which is provided with a respective voltage regulator 5a, 5b at its input side, each sub-system having a respective voltage supply requirement. The voltage regulators 5a, 5b are configured to match the voltage supplied from a host supply 4 to the respective voltage supply requirements of the sub-systems 2, 3. The regulators 5a, 5b may be low drop out type, and the sub-systems 2, 3 may be an interface and a digital processor. |
