Abstract
A 3.1-4.8 GHz ultra-wideband (UWB) receiver front-end for high data rate, Fifteenshort-range communication is presented. The receiver, based on the Multi Band OFDM Alliance (MBOA) standard proposal, consists of a zero-IF receive chain and an ultra-fast frequency-hopping synthesizer. The combination of high-linearity RF circuits, aggressive baseband filtering and low local oscillator spurs from the synthesizer results in an interference-robust receiver, having the ability to co-exist with systems operating in the 2.4-GHz and 5-GHz ISM bands. The packaged device shows an overall noise figure of 4.5 dB and has a measured input IP3 of -6 dBm and input IP2 of +25 dBm. Spurious tones generated by the synthesizer are below -45 dBc and -50 dBc in the 2.4-GHz and 5-GHz ISM bands, respectively. The hopping speed is well below the required 9.5 ns. The complete receive chain has been realized in a 0.25 μm BiCMOS technology and draws 78 mA from a 2.5-V supply.
| Original language | English |
|---|---|
| Article number | 1546232 |
| Pages (from-to) | 2563-2572 |
| Number of pages | 9 |
| Journal | IEEE Journal of Solid-State Circuits |
| Volume | 40 |
| Issue number | 12 |
| DOIs | |
| Publication status | Published - Dec 2005 |
| Externally published | Yes |
Bibliographical note
Funding Information:Kundur S. Harish was born in Madras (now Chennai), India. He received the B.Tech and M.Tech degrees from the Indian Institutes of Technology Madras and Delhi, respectively.
Funding
Kundur S. Harish was born in Madras (now Chennai), India. He received the B.Tech and M.Tech degrees from the Indian Institutes of Technology Madras and Delhi, respectively.
Keywords
- BiCMOS
- Filter
- LNA
- RF
- SiGe
- Synthesizer
- Ultra-wideband
- Zero-IF
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