The MMM6035 50-Ω power amplifier is destined for dual-, tri-, and quad-band GSM/GPRS cell phones (see the figure). This tiny two-chip module comprises a dual-amplifier die and ...

Though budgets keep getting tighter, handset features continue to multiply. In response to this trend, designers are calling for components with more functionality and flexibility ...

Hitachi has developed a single-chip transceiver for GSM mobile phones that can support GPRS communications up to 50kbit/s. The B4 was developed with UK-based design consultancy TTPCom and should work ...