PMB2401

www.DataSheet4U.com GSM Receiver Circuit PMB 2401 Preliminary Data Bipolar IC Features 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 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 P-DSO-28 package and P-DSO-28-4 shrink package Temperature range – 25 ˚C to 85 ˚C P-DSO-28 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 2401T PMB 2401T PMB 2401S PMB 2401S Version V 2.1 V 2.1 V 2.1 V 2.1 Ordering Code Q67000-A6061 Q67006-A6061 Q67000-A6062 Q67006-A6062 Package P-DSO-28 (SMD) P-DSO-28 (SMD, Tape + Reel) P-DSO-28-4 (Shrink, SMD) P-DSO-28-4 (Shrink, SMD, Tape + Reel) Semiconductor Group 1 01.94 PMB 2401 Functional Description The PMB 2401 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-amplifi...