A 27-mW CMOS fractional-N synthesizer using digital compensation for 2.5-Mb/s GFSK modulation
MH Perrott, TL Tewksbury… - IEEE journal of solid-state …, 1997 - ieeexplore.ieee.org
A digital compensation method and key circuits are presented that allow fractional-N
synthesizers to be modulated at data rates greatly exceeding their bandwidth. Using this
technique, a 1.8-GHz transmitter capable of digital frequency modulation at 2.5 Mb/s can be
achieved with only two components: a frequency synthesizer and a digital transmit filter. A
prototype transmitter was constructed to provide proof of concept of the method; its primary
component is a custom fractional-N synthesizer fabricated in a 0.6-/spl mu/m CMOS process …
synthesizers to be modulated at data rates greatly exceeding their bandwidth. Using this
technique, a 1.8-GHz transmitter capable of digital frequency modulation at 2.5 Mb/s can be
achieved with only two components: a frequency synthesizer and a digital transmit filter. A
prototype transmitter was constructed to provide proof of concept of the method; its primary
component is a custom fractional-N synthesizer fabricated in a 0.6-/spl mu/m CMOS process …
A 27mW CMOS FractionalN Synthesizer Using Digital Compensation for 2.5 Mb/s GFSK Modulation
B Razavi - 2003 - ieeexplore.ieee.org
A digital compensation method and key circuits are presented that allow fractional-N
synthesizers to be modulated at data rates greatly exceeding their bandwidth. Using this
technique, a 1.8-GHz transmitter capable of digital frequency modulation at 2.5 Mb/s can be
achieved with only two components: a frequency synthesizer and a digital transmit filter. A
prototype transmitter was constructed to provide proof of concept of the method; its primary
component is a custom fractional-N synthesizer fabricated in a 0.6-µm CMOS process that …
synthesizers to be modulated at data rates greatly exceeding their bandwidth. Using this
technique, a 1.8-GHz transmitter capable of digital frequency modulation at 2.5 Mb/s can be
achieved with only two components: a frequency synthesizer and a digital transmit filter. A
prototype transmitter was constructed to provide proof of concept of the method; its primary
component is a custom fractional-N synthesizer fabricated in a 0.6-µm CMOS process that …
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