A single-chip RF transceiver for quad-band GSM/GPRS applications

• Main Authors: Dehng, G.K., Kuo, C.F., Wang, S.T., Tsai, M.H., Ku, C.C., Yeh, V., Ke, L.W., Hsiao, C.M., Chiu, C., Tzeng, B., Tang, C.C., Bo, J.C., Juan, R., Chuansheng Ren, Hongxi Xue
• Format: Conference Proceeding
• Language: English
• Subjects: Applied sciences; BiCMOS integrated circuits; Circuit properties; Design. Technologies. Operation analysis. Testing; Dynamic range; Electric, optical and optoelectronic circuits; Electronic circuits; Electronics; Exact sciences and technology; Frequency synthesizers; Gain; Ground penetrating radar; GSM; Integrated circuits; Oscillators, resonators, synthetizers; Radio frequency; Regulators; Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices; Transceivers; Transmitters
• ISSN: 1529-2517; 2375-0995
• DOI: 10.1109/RFIC.2004.1320643

This paper presents a single-chip quad-band GSM/GPRS transceiver with fully-integrated VCOs in a 0.35 /spl mu/m BiCMOS technology. The transceiver consists of an image-rejected low-IF receiver, an OPLL transmitter with TxVCO, a fractional-N frequency synthesizer with a RFVCO and LDO regulators. The receiver has a maximum gain of 100 dB with more than 110 dB dynamic range and the static reference sensitivity is better than -108 dBm. The transmitter delivers 5 dBm output power with 6/spl deg/ peak-to-peak and 2/spl deg/ rms phase errors and the 400 kHz modulation spectrum is better than -65 dBc. The power consumption during receiving and transmitting modes are 68 mA and 120 mA, respectively. This chip is housed in a 56-pin QFN package.