A 2.4 GHz Quadrature-Input Programmable Fractional Frequency Divider

A 2.4 GHz quadrature-input programmable frequency divider with step size of 0.5 is demonstrated in a standard 0.35 μm CMOS process. Fractional division is realized by phase switching between the cross-coupled divide-by-4 injection-locked frequency divider outputs. The proposed circuit exhibits an op...

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Veröffentlicht in:	IEEE microwave and wireless components letters 2011-01, Vol.21 (1), p.34-36
Hauptverfasser:	Ka Fai Chang, Cheng, K M
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Circuit properties Circuits Clocks CMOS Consumption Design. Technologies. Operation analysis. Testing Division Electric, optical and optoelectronic circuits Electronic circuits Electronics Exact sciences and technology Fractional division ratio Frequency conversion Frequency dividers Frequency ranges Frequency synthesizers injection-locking Integrated circuits Microwaves Multiplexing Oscillators, resonators, synthetizers programmable frequency divider quadrature-input injection Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices Signal convertors Switches Switching Transistors
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Beschreibung
Zusammenfassung:	A 2.4 GHz quadrature-input programmable frequency divider with step size of 0.5 is demonstrated in a standard 0.35 μm CMOS process. Fractional division is realized by phase switching between the cross-coupled divide-by-4 injection-locked frequency divider outputs. The proposed circuit exhibits an operation frequency range from 2.24 to 2.70 GHz and consumes less than 5.13 mW with a 1.5 V supply.
ISSN:	1531-1309 2771-957X 1558-1764 2771-9588
DOI:	10.1109/LMWC.2010.2089046