Charge pump with perfect current matching characteristics in phase-locked loops

Electronics Letters

Volumn 36, Issue 23, 2000, Pages 1907-1908

  Lee, Jae Shin ^a   Keel, Min Sun ^a   Lim, Shin Il ^b   Kim, Suki ^a  

^a Korea University   (South Korea)

^b Seokyeong University   (South Korea)

Author keywords

[No Author keywords available]

Indexed keywords

AMPLIFIERS (ELECTRONIC); CMOS INTEGRATED CIRCUITS; VARIABLE FREQUENCY OSCILLATORS;

CURRENT MISMATCHING;

PHASE LOCKED LOOPS;

EID: 0034322808     PISSN: 00135194     EISSN: None     Source Type: Journal    
DOI: 10.1049/el:20001358     Document Type: Article

References (4)

1. RHEE, W.: 'Design of high performance CMOS charge pumps in phase locked loop'. Proc. IEEE Int. Symp. Circuits and Systems, 1999, Vol. 1, pp. 545-548
2. LEE, WON-HYO, CHO, JUN-DONG, and LEE, SUNG-DAE: 'A high speed and low power phase-frequency detector and charge pump. ,Proc. ASP-DAC '99 Asia and South Pacific Design Automation Conf., 1999, Vol. 1, pp. 269-272
3. VAN PAEMEL, M.: 'Analysis of a charge pump PLL: New model', IEEE Trans. Commun., 1994, 427, pp. 2490-2498
4. HOWARD, P.A., and JONES, A.E.: 'Improved charge pump phase detector for digital phase-locked loop'. IEEE Colloquium Analogue Signal Processing, 1994, pp. 2/1-2/8