FREQUENCY DIVIDER

PURPOSE: A frequency divider is provided to use a CML dual edge trigger sampling circuit, thereby realizing an accurate and quick operation at a high frequency. CONSTITUTION: A frequency divider(1400) includes an emitter follower(1410) which generates an output signal by receiving an NRZ output sign...

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Bibliographic Details
Main Authors YANG, KYOUNG HOON, CHUNG, KYU HYUN
Format Patent
LanguageEnglish
Korean
Published 12.12.2011
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Summary:PURPOSE: A frequency divider is provided to use a CML dual edge trigger sampling circuit, thereby realizing an accurate and quick operation at a high frequency. CONSTITUTION: A frequency divider(1400) includes an emitter follower(1410) which generates an output signal by receiving an NRZ output signal. A signal outputted from the emitter follower is negatively fed-back. The negatively fed-back signal is inputted to a CML dual edge trigger sampling circuit(300) included in a D flip-flop. The emitter follower generates an output signal of the same phase as a corresponding NRZ output signal by receiving the NRZ output signal outputted from the D flip-flop. The emitter follower maintains a voltage gain without respect to a connected load.
Bibliography:Application Number: KR20100052830