发明名称 |
COMPENSATED OSCILLATOR |
摘要 |
An oscillator includes a compensated current source that adjusts an output current based on process, supply voltage, and temperature (“PVT”) variations of an integrated circuit device. The oscillator generates an output signal having a frequency based, in part, on the output current of the compensated current source. Accordingly, the output signal has a relatively low sensitivity to PVT variations. |
申请公布号 |
US2015244377(A1) |
申请公布日期 |
2015.08.27 |
申请号 |
US201414186661 |
申请日期 |
2014.02.21 |
申请人 |
VIXS SYSTEMS INC. |
发明人 |
Au Yeung Chung Fai;Cave Michael |
分类号 |
H03L1/00 |
主分类号 |
H03L1/00 |
代理机构 |
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代理人 |
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主权项 |
1. An oscillator comprising:
a plurality of delay cells, each of the plurality of delay cells to delay a respective input signal based on a corresponding plurality of bias currents, the plurality of delay cells to generate an oscillating output signal having a frequency based on the delay; and a compensated current source to generate the plurality of bias currents, the compensated current source comprising:
a first circuit that generates a first current that is proportional to a temperature of an integrated circuit device;a second circuit that generates a second current that is complementary to the temperature of the integrated circuit device; andthe compensated current source to generate the plurality of bias currents based on a combination of the first current and the second current. |
地址 |
Toronto CA |