This paper presents a reconfigurable analog baseband channel for multistandard receivers. The circuit, consisting of two variable gain amplifiers and a low-pass filter, fulfills the requirements of GSM, WCDMA (UMTS), WLAN (IEEE 802.1 la/b/g), and Bluetooth. The gain, bandwidth and power consumption of the circuit are changed through a digital control word depending on the selected standard. Simulation results, including all of the tests prescribed by the different standards, confirm the validity of the proposed solution. The in-band IIP3 evaluated with maximum gain (68dB/39dB) is 5dBm/1dBm for UMTS/WLAN respectively, while the power consumption is 51.7mW/55mW in the two cases.
Ghittori, N., Vigna, A., Malcovati, P., D'Amico, S., Baschirotto, A. (2006). Analog baseband channel for GSM/UMTS/WLAN/Bluetooth reconfigurable multistandard terminals. In Proceedings - IEEE International Symposium on Circuits and Systems (pp.4301-4304). Institute of Electrical and Electronics Engineers Inc. [10.1109/ISCAS.2006.1693580].
Analog baseband channel for GSM/UMTS/WLAN/Bluetooth reconfigurable multistandard terminals
Baschirotto, A
2006
Abstract
This paper presents a reconfigurable analog baseband channel for multistandard receivers. The circuit, consisting of two variable gain amplifiers and a low-pass filter, fulfills the requirements of GSM, WCDMA (UMTS), WLAN (IEEE 802.1 la/b/g), and Bluetooth. The gain, bandwidth and power consumption of the circuit are changed through a digital control word depending on the selected standard. Simulation results, including all of the tests prescribed by the different standards, confirm the validity of the proposed solution. The in-band IIP3 evaluated with maximum gain (68dB/39dB) is 5dBm/1dBm for UMTS/WLAN respectively, while the power consumption is 51.7mW/55mW in the two cases.
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