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參數(shù)資料
| 型號(hào)： | CYWUSB6941 |
| 廠商： | Cypress Semiconductor Corp. |
| 英文描述： | WirelessUSB EX Radio |
| 中文描述： | 前電臺(tái)的WirelessUSB |
| 文件頁(yè)數(shù)： | 3/14頁(yè) |
| 文件大?。?/td> | 201K |
| 代理商： | CYWUSB6941 |
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PRELIMINARY
CYWUSB6941
Document #: 38-16004 Rev. *A
Page 3 of 14
3.0
The Cypress CYWUSB6941 WirelessUSB EX
transceiver is designed to work with the Cypress CYWUSB6942 WirelessUSB EX
baseband controller to provide a complete WirelessUSB EX solution. The CYWUSB6941 contains a 2.4-GHz radio transceiver,
a GFSK modem, and a radio control interface that communicates with the CYWUSB6942 WirelessUSB EX baseband. The
CYWUSB6941 also facilitates the development of a complete WirelessUSB EX system with a minimum number of additional
components, typically requiring only eight external components (including crystal) for ease of implementation and manufacturing
(refer to
Figure 3-1
). Specific features include:
2.4-GHz frequency-hopping spread spectrum (FHSS) transceiver
GFSK modulator/demodulator
No external transmit/receive switch required
Minimizes the need for external components
Closed-loop phase-locked loop (PLL)
VCO is integrated in the CYWUSB6941
No external loop circuitry required
Radio control interface.
Functional Overview
3.1
The receiver is a low-IF architecture with fully integrated IF filters to achieve high performance in the presence of interference.
The FM demodulator and fast data slicer are fully integrated.
The hop frequency synthesizer provides the frequency-hopping local oscillator for the transmitter and receiver. The only external
components required are reference crystal, and several capacitors. The RF VCO is fully integrated, requiring no external tank
circuits.
The transmitter uses a DSP-based vector modulator to convert the transmit data to an accurate GFSK-modulated carrier. There
are a variety of DC power control features for transmitter, synthesizer, and receiver functions to optimize the average current drain.
2.4-GHz Radio Transceiver and GFSK Modem
3.2
The CYWUSB6941 requires an external 13-MHz crystal with the following characteristics:
Crystal temperature stability:
±
15 ppm max
Crystal load capacitance: 10 – 15 pF.
The crystal has to be placed across the X13IN and X13 pins. No extra capacitors are needed.
Clocking
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| CYWUSB6941-42BAC | WirelessUSB EX Radio |
| CYWUSB6942 | WirelessUSB EX Radio |
| CYWUSB6953 | WirelessUSB PRoC Flash Programmable MCU + Radio(WirelessUSB PRoC 閃存可編程 MCU + Radio) |
| K002-798 | TWO-POLE RADIO INTERFERENCE SUPPRESSION CAPACITORS |
| K005-600 | SPARK QUENCHING CAPACITORS |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CYWUSB6941-42BAC | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:WirelessUSB EX Radio |
| CYWUSB6942 | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:WirelessUSB EX Radio |
| CYWUSB6953 | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:WirelessUSB PRoC Flash Programmable MCU + Radio |
| CYWUSB6953_10 | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:Programmable Radio on Chip Low Power |
| CYWUSB6953-48LFC | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:WirelessUSB PRoC Flash Programmable MCU + Radio |
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