PMB2402

GSM Receiver Circuit PMB 2402 Preliminary Data Bipolar IC Features www.DataSheet4U.com q Heterodyne receiver with demodulator q Down mixing from 900 MHz receiver band to the base q q q q q q q q q q q q q band Demodulation and generation of I/Q-baseband components Low mixer noise 10 dB (SSB) Input high intercept point + 2 dB Integrated 0˚ and 90˚ phase shifter 82 dB AGC-range On-chip second LO-oscillator with external tuning circuit Two differential operational amplifiers Low power consumption due to highly flexible powerdown capability Wide input frequency range up to 1 GHz Wide IF-range from 35 MHz to 100 MHz Wide output frequency range up to 13.5 MHz P-DSO-28-4 shrink package Temperature range – 25 ˚C to 85 ˚C P-DSO-28-4 Applications q Digital mobile cellular systems as GSM, DAMPS, JDC q Various demodulation schemes, such as PM, PSK, FSK, QAM, QPSK, GMSK q Space and power saving optimizations of existing discrete demodulator circuits Type PMB 2402S PMB 2402S Version V 2.1 V 2.1 Ordering Code Q67000-A6072 Q67006-A6072 Package P-DSO-28-4 (Shrink, SMD)) P-DSO-28-4 (Shrink, SMD, Tape + Reel) Functional Description The PMB 2402 is a single-chip single-conversion heterodyn PM-receiver with phase shifting circuitry for the I/Q-phase baseband demodulation on chip. It also includes the second local oscillator, a gain controlled second IF-amplifier, two differential operational amplifiers for baseband filtering purposes and power down circuitry. The PMB 2402 is designed ...