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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Ghittori, N. Vigna, A. Malcovati, P. D'Amico, S. Baschirotto, A. |
| Copyright Year | 1966 |
| Abstract | Two versions of a baseband block composed by a 8-bit current-steering DAC and a fourth-order low-pass reconstruction filter are realized in a 0.13-mum CMOS technology to be embedded in multistandard wireless transmitters. In order to satisfy the specifications of WLAN IEEE 802.11a/b/g, UMTS, and Bluetooth standards, the proposed devices can be digitally programmed, adjusting the DAC conversion frequency and the low-pass filter cut-off frequency. For the WLAN case, the DAC operating frequency and the filter bandwidth are set to 100 MHz and 11 MHz, respectively, for the UMTS case, they are equal to 50 MHz and 2.5 MHz, and for the Bluetooth case, they are equal to 50 MHz and 1 MHz. The first device is reconfigurable between WLAN and UMTS, and the second one between WLAN and Bluetooth. The two fabricated devices operate from a single 1.2-V supply voltage and occupy a 0.8 mm 2 and 0.7 mm2 die area, respectively. The power consumption is optimized according to the operation mode and is 8 mW in WLAN mode, 8.4 mW in UMTS mode, and 5.4 mW in Bluetooth mode. For all the considered standards, the measured OIP3 is larger than 28 dBm, while the SFDR is 54 dB for WLAN, 61 dB for UMTS, and 63 dB for Bluetooth |
| Sponsorship | IEEE Solid-State Circuits Society IEEE Electron Devices Society IEEE Circuits and Systems Society Japan Society of Applied Physics (JSAP) IEEE Microwave Theory and Techniques Society IEEE San Francisco Section Bay Area Council Univ. PA IEEE |
| Starting Page | 1970 |
| Ending Page | 1982 |
| Page Count | 13 |
| File Size | 2649689 |
| File Format | |
| ISSN | 00189200 |
| Volume Number | 41 |
| Issue Number | 9 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2006-09-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Wireless LAN 3G mobile communication Bluetooth Transmitters Low pass filters CMOS technology Cutoff frequency Frequency conversion Baseband Digital filters wireless transmitter DAC reconfigurable system reconstruction filter |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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