Abstract
High speed frequency dividers are critical parts of frequency synthesisers in wireless systems. These dividers allow the output frequency from a voltage controlled oscillator to be compared with a much lower external reference frequency that is commonly used in these synthesisers. Common trade-offs in high frequency dividers are speed of division, power consumption, real estate area, and output signal dynamic range. In this paper we demonstrate the design of a high frequency, low power divider in 0.18 μm SiGe BiCMOS technology. Three dividers are presented, which are a regenerative divider, a master-slave divider, and a combination of regenerative and master-slave dividers to perform a divide-by-8 chain. The dividers are used as part of a 60 GHz frequency synthesizer. The simulation results are in agreement with measured performance of the regenerative divider. At 48 GHz the divider consumes 18 mW from a 1.8 V supply voltage. The master-slave divider operates up to 36 GHz from a very low supply voltage, 1.8 V. The divide-by-8 operates successfully from 40 GHz to 50 GHz.
| Original language | English |
|---|---|
| Title of host publication | Smart Structures, Devices, and Systems III |
| Editors | Said F. Al-Sarawi |
| Place of Publication | Washington, DC |
| Publisher | SPIE |
| Pages | 1-9 |
| Number of pages | 9 |
| Volume | 6414 |
| ISBN (Print) | 0819465232, 9780819465238 |
| DOIs | |
| Publication status | Published - 2007 |
| Event | Smart Structures, Devices, and Systems III - Adelaide, Australia Duration: 11 Dec 2006 → 13 Dec 2006 |
Other
| Other | Smart Structures, Devices, and Systems III |
|---|---|
| Country/Territory | Australia |
| City | Adelaide |
| Period | 11/12/06 → 13/12/06 |
Keywords
- 60 GHz
- Emitter-coupled logic
- Frequency synthesizer
- Master-slave
- Mixer
- Regenerative divider
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