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PDF SIW1722 Data sheet ( Hoja de datos )
| Número de pieza | SIW1722 | |
| Descripción | UltimateBlue Radio Modem | |
| Fabricantes | RF Micro Devices | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de SIW1722 (archivo pdf) en la parte inferior de esta página. Total 2 Páginas | ||
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Bluetooth® Technology Solutions — SiW1722
RF Micro Devices®
Offers the SiW1722™
UltimateBlue™
Radio Modem
www.DataSheet4U.com
The SiW1722™ UltimateBlue™ radio modem is a third-
generation radio modem for Bluetooth® wireless com-
munications and is based on 0.18 µm CMOS technology. The
highly integrated transceiver was specifically designed to meet
the rigorous RF performance required for integrating Bluetooth
technology into CDMA-based mobile phone applications.
The SiW1722 radio modem combines a 2.4 GHz radio
transceiver and Gaussian Frequency Shift Keying (GFSK)
modem with digital control functions. The IC also incorporates
analog and digital voltage regulators, a power-on-reset (POR)
circuit and a reference Phase Lock Loop (PLL) to enable
multiple input frequencies.
The SiW1722 radio modem uses direct conversion (zero-IF)
architecture. This allows digital filtering for excellent
interference rejection as compared to low IF solutions, which
have lower rejection due to analog matching limitations. The
receiver features high sensitivity due to a low noise RF design
combined with an advanced modem design. A fast hardware
AGC enables full discovery of any device within the dynamic
range of the receiver, solving near-far issues. The transmitter
can maintain a stable output power level up to +4 dBm for
class 2 operation, which in combination with the excellent
receiver performance, ensures the maximum possible range at
the lowest system cost.
Features
On-chip 50 Ohm RF match network with no external
impedance matching components
Fully compliant with Bluetooth specification 1.2
Digital interface to CDMA chipsets with an integrated
Bluetooth baseband
Supports multiple external reference clocks or crystal
frequencies with on-chip reference PLL
Direct-conversion architecture with no external channel
filter or VCO resonator components
Highly sensitive receiver with excellent interference
rejection performance
Hardware AGC dynamically adjusts receiver
performance in changing environments
Low out-of-band spurious emissions prevents
interference with mobile phone frequencies
Class 2 and 3 transmit output power up to +4 dBm —
output power control loop for accurate power control
On-chip voltage regulation simplifies voltage input
requirement
Low power consumption in active and standby modes
SiW1722
Block Diagram
PLL
Control
Clock
Distribution
LNA
Voltage Regulator and Power
Distribution
ADC
Internal
50-Ohm
Match
Network
PLL
Synthesizer
Power
Control
0
90
0
90
ADC
DAC
GFSK
MODEM
DAC
Serial
Bus
Interface
(SBI)
Register
File
System
Control
Modem I/F
&
Data
Control I/F
CDMA Chipset
with
Integrated
Bluetooth®
Baseband
1 page | ||
| Páginas | Total 2 Páginas | |
| PDF Descargar | [ Datasheet SIW1722.PDF ] | |
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