$A low-area switched-resistor loop-filter technique for fractional-N synthesizers applied to a MEMS-based programmable oscillator$

A low-area switched-resistor loop-filter technique for fractional-N synthesizers applied to a MEMS-based programmable oscillator

A fractional-N synthesizer is used in a programmable 1 to 115 MHz MEMS oscillator. A high gain phase detector lowers the impact of loop filter noise, and a switched-resistor loop filter avoids a charge pump and boosts effective resistance to save area. The entire synthesizer with LC-VCO occupies 0.3...

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Bibliographische Detailangaben
Hauptverfasser:	Perrott, M.H., Pamarti, S., Hoffman, E., Lee, F.S., Mukherjee, S., Lee, C., Tsinker, V., Perumal, S., Soto, B., Arumugam, N., Garlepp, B.W.
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	Filters Frequency conversion Frequency synthesizers Micromechanical devices Phase locked loops Phase noise Resistors Switches Temperature sensors Voltage-controlled oscillators
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