发明名称 |
TEMPERATURE-STABLE OSCILLATOR CIRCUIT HAVING FREQUENCY-TO-CURRENT FEEDBACK |
摘要 |
A signal generating circuit and method are disclosed that do not require a phase-locked-loop and a low frequency temperature-stable oscillator. The method may include generating an oscillating output signal responsive to a feedback signal, where the feedback signal controls a frequency of the oscillating output signal, generating a current output signal having a magnitude corresponding to the frequency of the oscillating output signal, and then comparing the current output signal to a reference signal to generate the feedback signal. The signal generating circuit may include an oscillator circuit responsive to a feedback signal and a frequency-to-current conversion circuit configured to generate a frequency dependent current signal that is compared to a reference current to generate an output signal corresponding to the frequency of the oscillating output signal. A feedback conversion circuit compares the output signal with a reference signal to generate the feedback signal to the oscillator circuit. |
申请公布号 |
EP2520022(B1) |
申请公布日期 |
2016.04.06 |
申请号 |
EP20100787976 |
申请日期 |
2010.12.02 |
申请人 |
SANDISK TECHNOLOGIES INC. |
发明人 |
BHUIYAN, EKRAM, H.;CHAN, SHUFAN |
分类号 |
H03K3/011;H03K5/151;H03K17/16;H03L1/02;H03L7/00 |
主分类号 |
H03K3/011 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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