디지털 락 검출장치 및 이를 포함하는 주파수 합성기
이자열, 유현규, 김천수, 박문양, 김성도
- 7956658 (2011.06.07)
08MB3200, 차세대 무선 융합 단말용 Advanced Digital RF 기술 개발,
- There is provided a digital lock detector and a frequency synthesizer using the same. The digital lock detector includes a comparator unit receiving a plurality of control bits, and generating a bit signal to notice a lock condition of the plurality of control bits; a delay cell block generating a plurality of delay signals based on the bit signal, and outputting a clock signal by combining the bit signal and the plurality of delay signals; and a detection unit detecting a shift time of the clock signal, and generating a lock indication signal according to the detection result.
- KSP 제안 키워드
- Frequency synthesizer, Lock Detector, clock signal, delay cell