一种FSK解调器，用于没有外部组件的蓝牙应用

Proceedings of the 44th IEEE 2001 Midwest Symposium on Circuits and Systems. MWSCAS 2001 (Cat. No.01CH37257) Pub Date : 2001-08-14 DOI:10.1109/MWSCAS.2001.986336

E. Main, D. Coffing

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引用次数: 19

摘要

将注入锁定振荡器与相位检测器相结合，可以为蓝牙应用提供非常有效的FSK解调器。动态行为允许从锁定范围外自动调整。本文描述了两种无需外部组件的调优方法。使用了一种消除技术，使过滤要求最小化。该解调器采用0.4 /spl mu/m BiCMOS工艺制作。

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An FSK demodulator for Bluetooth applications having no external components

An injection-locked oscillator in combination with a phase detector is shown to make a very effective FSK demodulator for Bluetooth applications. The dynamic behavior allows automatic tuning from outside the locking range. Two tuning methods are described which eliminate the need for external components. A cancellation technique is used which minimizes filtering requirements. The demodulator was fabricated in a 0.4 /spl mu/m BiCMOS technology.

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Proceedings of the 44th IEEE 2001 Midwest Symposium on Circuits and Systems. MWSCAS 2001 (Cat. No.01CH37257)

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