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PMB2402S
GSM Receiver Circuit
SHEMENS
GSM Receiver Circuit PMB 2402
Preliminary Data Bipolar IC
Features
o Heterodyne receiver with demodulator
0 Down mixing from 900 MHz receiver band to the base
Demodulation and generation of I/Q-baseband
components
Low mixer noise 10 dB (SSB)
Input high intercept point + 2 dB
Integrated ty' and 90'' phase shifter P-DSO-28-4
82 dB AGC-range
On-chip second LO-oscillator with external tuning circuit
Two differential operational amplifiers
Low power consumption due to highly flexible power-
down 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
Applications
tt Digital mobile cellular systems as GSM, DAMPS, JDC
0 Various demodulation schemes, such as PM, PSK, FSK, QAM, QPSK, GMSK
0 Space and power saving optimizations of existing discrete demodulator circuits
Type Version Ordering Code Package
PMB 2402S V 2.1 Q67000-A6072 P-DSO-28-4
(Shrink, SMD))
PMB 2402S V 2.1 Q67006-A6072 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 |/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 for digital mobile telephones according to the GSM-standard and other
digital systems.
Semiconductor Group 1 01.94
SIEMENS
PMB 2402
IITGEE
INQEI:
LOZEEI:
LOZBEE
GNDEI:
LOZOEE
\OCDQOW-DWNA
:EIUUTI
:EllNI
:EIPDZ
:ElLO1
:EIPD1
ITP03902
Pin Configuration
(top view)
Semiconductor Group
