pmb2405 Infineon Technologies Corporation, pmb2405 Datasheet

pmb2405

Manufacturer Part Number

pmb2405

Description

Receiver Pcn/pcs Receiver

Manufacturer

Infineon Technologies Corporation

Datasheet

1.PMB2405.pdf (3 pages)

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Download datasheet (42Kb)

GSM Receiver

PCN/PCS Receiver

General Description

The PMB 2405, 2407 family are single-chip double-

conversion heterodyne receivers with LO-phase shifting

circuitry for the I/Q-phase demodulation on chip. It also

includes a switchable low noise amplifier, the second local

oscillator with a VCO output buffer, a programmable gain

controlled IF amplifier, two differential operational amplifiers

for base band signal filtering and a power-down circuitry.

The receiver family is designed for use in combination with

the single chip transmitter family PMB 2240, 2245, 2247 and

the PLL PMB 2307 for mobile telephones according to the

GSM, PCN and PCS standards and other vector modulated

digital systems. It is fabricated using Siemens B6HF silicon

process.

GSM Chipset

PMB 2405

PMB 2240

PMB 2307

The input signal is amplified by the internal LNA and filtered

by an external filter. The filtered signal and the first local

oscillator signal LO1 are mixed down to an intermediate

frequency (IF). The amplification of the IF signal is performed

by a digitally programmable gain-controlled amplifier.

The second local oscillator signal LO2 is generated either by

an on-chip oscillator or by an external VCO. The internal LO2

signal is fed to a divider (PMB 2405-by 1; 2407-by 1 or 3) and

then to a buffered output and also to a divider, which

generates orthogonal signals at half the VCO frequency. The

filtered IF signal re-enters the chip at the IF input, where it is

amplified and converted to the final output frequency with

each of the orthogonal signals. The resulting in-phase and in-

quadrature signals pass through differential output drivers.

Two differential operational amplifiers can be used as active

baseband filters. At both outputs the differential offset is

sensed via the sample and hold circuitry. A feedback loop

corrects the remaining offset error below the tolerable input

value of the GAIM PMB 2905 or any other baseband A/D

converter.

Siemens Aktiengesellschaft

PCN Chipset

PMB 2407

PMB 2245

PMB 2307

PCS Chipset

PMB 2407

PMB 2247

PMB 2307

PLL

Type

PMB 2405-F

PMB 2407-F

Applications

• Vector modulated cellular and cordless systems:

• Various demodulation schemes, such as PM, PSK, FSK,

• Space and power saving optimizations of existing discrete

Features

• Heterodyne receiver with demodulator

• On-chip, low noise amplifier (LNA),

• Demodulation and generation of I/Q components

• Low mixer noise 9 dB (SSB)

• High input intercept point + 2 dB

• Integrated phase shifter

• IF amplifier with 80 dB programmable gain control (PGC)

• On-chip second LO oscillator with external tuning circuit or

• Two differential operational amplifiers for use as base

• Low power consumption due to highly flexible power-down

• Wide input frequency range up to 2.5 GHz

• Wide IF range from 40 MHz to 300 MHz

• Supply voltage range 2.7 to 4.5 V

• P-TQFP-48 package

• Temperature range – 30 C to 85 C

PMB 2405: GSM, PDC, DAMPS,

PMB 2407: PCN, PCS (DCS1900), WLAN etc.

QAM, QPSK, GMSK

demodulator circuits

in steps of 2 dB

possibility to use it as amplifier

band filter or amplifier

capability

Package

P-TQFP-48-1 (SMD)

PMB 2405

PMB 2407

B6HF

Related parts for pmb2405

pmb2405 Summary of contents

Page 1

GSM Receiver PCN/PCS Receiver General Description The PMB 2405, 2407 family are single-chip double- conversion heterodyne receivers with LO-phase shifting circuitry for the I/Q-phase demodulation on chip. It also includes a switchable low noise amplifier, the second local oscillator with ...

Page 2

GSM Receiver PCN/PCS Receiver 1850 ... 1910 MHz % 10 % 450 13 MHz % 150 Phase 1700 ... 1765 MHz System Det. Clock % 13 P-TQFP-48 RX 450 MHz TX 150 MHZ Q Q Base- IF ...

Page 3

GSM Receiver PCN/PCS Receiver 1710 ... 1785 MHz % 1 % 164 13 MHz Phase 1546 ... 1634 MHz System Det. Clock % 13 P-TQFP-48 164 MHz Q Q Base- IF band V CO A/D 492 ...

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