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參數資料
| 型號： | CX20524 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Mixed Signal Device for GSM and GPRS Applications |
| 中文描述： | 混合信號的GSM和GPRS設備的應用 |
| 文件頁數： | 1/4頁 |
| 文件大小： | 101K |
| 代理商： | CX20524 |
Skyworks Solutions, Inc. Phone [781] 376-3000 Fax [781] 376-3100 sales@skyworksinc.com www.skyworksinc.com
103177A Skyworks Proprietary and Confidential information. Products and product information are subject to change without notice. April 2, 2004
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PRODUCT SUMMARY
CX20524 Mixed Signal Device for GSM and GPRS
Applications
Applications
GSM handsets and modules (850/900/1800/1900 MHz)
GPRS handsets and modules (850/900/1800/1900 MHz)
Features
Supports multi-slot GPRS up to Class 12
Σ
Analog-to-Digital Converters (ADCs) for digitization of
baseband receive signal
Receive path PGA for AGC of received signal
GMSK Digital Modulator
Digital-to-Analog Converters (DACs) for analog conversion of
the GMSK modulator output
Transmit power ramping and power level control
Low noise voiceband ADC for direct interface to handset and
headset microphone
Low noise voiceband DAC for direct interface to handset and
headset speaker
Auxiliary 8-bit ADC for monitoring system signals
3 V/1.8 V SIM card interface
Temperature sensor
High speed asynchronous serial ports for interface to
Skyworks Baseband Processor device
Low speed asynchronous serial port for power management
functions
Voltage regulators for both internal (fixed voltage) and
system (programmable voltage) needs
Low power operation
Control circuit for multi-chemistry advanced battery charger
Power-On Reset (POR) generation
Over current-limiting
Power On/Off control inputs
CX20524-12: 160-pin FPBGA 12 mm x 12 mm package
CX20524-13: 180-pin FPBGA 10 mm x 10 mm package
Description
The CX20524 Mixed Signal Device (MSD) is a highly integrated
device designed for use in multi-band Global System for
Mobile communications (GSM) and General Packet Radio
Service (GPRS) handsets. The MSD includes all the power
management, voice-band, mixed signal, and radio control
functions required in a GSM/GPRS handset and module.
In the receive path, the MSD digitizes the baseband In-
Phase/Quadrature (I/Q) inputs. Digital samples are then sent to
the Baseband Processor (BP) via the Rx serial interface. The
receive path features a programmable gain amplifier (PGA) for
Automatic Gain Control (AGC) of the receive signal.
In the transmit path, bursts of digital data are input to the MSD
over the control port. A Gaussian Minimum-Shift Keying
(GMSK) modulator generates modulated I and Q waveforms
from the input data. The I and Q waveforms are converted into
analog waveforms and output from the MSD.
The CX20524 generates an analog signal to control the
handset Power Amplifier (PA) output level.
The device voiceband Codec section provides an interface to a
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handset speaker and microphone. Line In/Out signals are
also available to interface with audio accessories, such as a
headset or car kit.
The MSD is designed to operate directly from a single cell,
3.6 V Li Ion battery with no external regulation required. The
MSD integrates all necessary Low Drop Out (LDO) voltage
regulators that generate the required device and system power
supplies from battery input.
An integrated SIM interface circuit allows direct interface to 3.0
V and 1.8 V SIM cards with no external components.
An integrated battery charger control circuit provides charging
capabilities for multi-chemistry batteries.
The CX20524-12 is packaged in a compact, 160-pin (12 mm x
12 mm) Fine Pitch Ball Grid Array (FPBGA), shown in Figure 2.
The CX20524-13 is packaged in a compact, 180 pin 10 mm x
10 mm, 0.5 mm pitch, Fine Pitch Ball Grid Array (FPBGA),
shown in Figure 3.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| CX20524-12 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Mixed Signal Device for GSM and GPRS Applications |
| CX20524-13 | 制造商:Skyworks Solutions Inc 功能描述:MIXED SIGNAL DEVICE |
| CX20529 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:CDMA/FM/ GPS BASEBAND ANALOG PROCESSOR |
| CX20529-12 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:CDMA/FM/ GPS BASEBAND ANALOG PROCESSOR |
| CX2052T | 功能描述:變壓器音頻和信號 XFMR RF SINTRA RoHS:否 制造商:Skyworks Solutions, Inc. 頻率范圍:810 MHz to 960 MHz 初級線圈阻抗: 次級線圈阻抗: 絕緣電壓:23 dB 工作溫度范圍:- 40 C to + 85 C 端接類型:SMD/SMT 尺寸:6 mm L x 4.9 mm W x 1.6 mm H 產品:Splitters and Combiners |
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