We present a dual-band (Cellular & PCS) dual-path
zero-IF receiver for CDMA2000 diversity, monitoring and
simultaneous-GPS. The secondary path is a SAW-less diversity
CDMA receiver which can be also used for advanced features like
monitoring when supported with an additional external VCO. A GPS
receiver is integrated with its dedicated VCO allowing simultaneous
positioning during a cellular call. The circuit is implemented in a
0.25μm 40GHz-fT BiCMOS process and uses a HVQFN 56-pin
package. It consumes a maximum 300mW from a 2.8V supply in
dual-modes. The chip area is 12.8mm2.
 CDMA2000 Standard 3GPP2 C.S0033.
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cellular and GPS," IEEE ESSCIRC, pp. 432-435, Sept. 2007.
 Y. Xu et al., "A low-IF CMOS simultaneous GPS receiver integrated in
a multimode transceiver," IEEE CICC, pp. 107-110, 2007.