收藏本站
MICRF505
850MHz and 950MHz ISM Band
Transceiver
General Description
The MICRF505 is a true single-chip, frequency shift
keying (FSK) transceiver intended for use in half-
duplex, bidirectional RF links. The multi-channeled
FSK transceiver is intended for UHF radio
equipment in compliance with the North American
Federal Communications Commission (FCC) part
15.247 and the European Telecommunication
Standard Institute (ETSI) specification, EN300 220.
The transmitter consists of a PLL frequency
synthesizer and power amplifier. The frequency
synthesizer consists of a voltage-controlled oscillator
Features
? True single chip transceiver
? Digital bit synchronizer
? Received signal strength indicator (RSSI)
? RX and TX power management
? Power down function
? Reference crystal tuning capabilities
? Frequency error estimator
RadioWire?
(VCO), a crystal oscillator, dual modulus prescaler,
programmable frequency dividers, and a phase-
detector. The loop-filter is external for flexibility and
can be a simple passive circuit. The output power of
the power amplifier can be programmed to seven
?
?
?
Baseband shaping
Three-wire programmable serial interface
Register read back function
levels. A lock-detect circuit detects when the PLL is
in lock. In receive mode, the PLL synthesizer
generates the local oscillator (LO) signal. The N, M,
and A values that give the LO frequency are stored
Applications
? Telemetry
? Remote metering
in the N0, M0, and A0 registers.
The receiver is a zero intermediate frequency (IF)
type which makes channel filtering possible with low-
power, integrated low-pass filters. The receiver
consists of a low noise amplifier (LNA) that drives a
quadrature mix pair. The mixer outputs feed two
identical signal channels in phase quadrature. Each
channel includes a pre-amplifier, a third order
Sallen-Key RC low-pass filter that protects the
following switched-capacitor filter from strong
adjacent channel signals, and a limiter. The main
channel filter is a switched-capacitor implementation
of a six-pole elliptic low pass filter. The cut-off
frequency of the Sallen-Key RC filter can be
programmed to four different frequencies: 100kHz,
150kHz, 230kHz, and 340kHz. The I and Q channel
outputs are demodulated and produce a digital data
output. The demodulator detects the relative phase
of the I and the Q channel signal. If the I channel
signal lags behind the Q channel, the FSK tone
frequency is above the LO frequency (data '1'). If the
I channel leads the Q channel, the FSK tone is
below the LO frequency (data '0'). The output of the
receiver is available on the DataIXO pin. A receive
signal strength indicator (RSSI) circuit indicates the
received signal level. All support documentation can
be found on Micrel’s web site at www.micrel.com.
October 2006
1
?
?
?
?
?
Wireless controller
Remote data repeater
Remote control systems
Wireless modem
Wireless security system
M9999-103106
+1 408-944-0800
发布紧急采购，3分钟左右您将得到回复。

采购需求

(若只采购一条型号，填写一行即可)

发布成功！您可以继续发布采购。也可以进入我的后台，查看报价

发布成功！您可以继续发布采购。也可以进入我的后台，查看报价

*型号 *数量 厂商 批号 封装
添加更多采购

我的联系方式

*
*
*
相关PDF资料
MICRF506DEV1 EVAL BOARD EXPERIMENTAL MICRF506
MICRF507YML TR TXRX FSK LOW PWR W/AMP 32MLF
MICRF600DEV1 KIT DEV RADIOWIRE 902-928MHZ
MK01-C SENSOR REED SPST-NO SMD
MK01-H SENSOR REED SPDT-CHANGE SMD
MK02/0-1A66-500W SENSOR REED SPST-NO
MK02/6-0 SENSOR REED PCB 24MM T/H
MK03-1C90C-500W SENSOR REED SPDT CYLINDER
相关代理商/技术参数
MICRF505DEV1 制造商:Micrel Inc 功能描述:KIT MICRF505 EVALUATION
MICRF505L 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:850MHz and 950MHz ISM Band Transceiver
MICRF505LYML 制造商:Rochester Electronics LLC 功能描述: 制造商:RF Micro Devices Inc 功能描述:
MICRF505LYML TR 功能描述:射频收发器 850MHz to 950MHz, 2.25V to 5.5V FSK Transceiver with +10dBm Power Amplifier RoHS:否 制造商:Atmel 频率范围:2322 MHz to 2527 MHz 最大数据速率:2000 Kbps 调制格式:OQPSK 输出功率:4 dBm 类型: 工作电源电压:1.8 V to 3.6 V 最大工作温度:+ 85 C 接口类型:SPI 封装 / 箱体:QFN-32 封装:Tray
MICRF505YML 制造商:Micrel Inc 功能描述:433/915MHZ ITRANSCEIVER SMD MLF32 制造商:Micrel Inc 功能描述:433/915MHZ ITRANSCEIVER, SMD, MLF32 制造商:Micrel Inc 功能描述:433/915MHZ ITRANSCEIVER, SMD, MLF32; Frequency Min:850MHz; Frequency Max:950MHz; Modulation Type:FSK; Sensitivity dBm:-111dBm; Data Rate:200Kbps; Supply Voltage Min:2V; Supply Voltage Max:2.5V; RF IC Case Style:MLF; No. of Pins:32; ;RoHS Compliant: Yes
MICRF505YML TR 功能描述:射频收发器 850MHz to 950MHz, 2.0V to 2.5V FSK Transceiver with +10dBm Power Amplifier RoHS:否 制造商:Atmel 频率范围:2322 MHz to 2527 MHz 最大数据速率:2000 Kbps 调制格式:OQPSK 输出功率:4 dBm 类型: 工作电源电压:1.8 V to 3.6 V 最大工作温度:+ 85 C 接口类型:SPI 封装 / 箱体:QFN-32 封装:Tray
MICRF505YML-TR 功能描述:IC RF TxRx Only General ISM < 1GHz 850MHz ~ 950MHz 32-VFQFN Exposed Pad, 32-MLF? 制造商:microchip technology 系列:- 包装:剪切带（CT） 零件状态:有效 类型:仅限 TxRx 射频系列/标准:通用 ISM < 1GHz 协议:- 调制:FSK 频率:850MHz ~ 950MHz 数据速率（最大值）:200kbps 功率 - 输出:10dBm 灵敏度:-111dBm 存储容量:- 串行接口:SPI GPIO:- 电压 - 电源:2 V ~ 2.5 V 电流 - 接收:8.6mA ~ 13.5mA 电流 - 传输:14mA ~ 28mA 工作温度:-40°C ~ 85°C 封装/外壳:32-VFQFN 裸露焊盘，32-MLF? 标准包装:1
MICRF506 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:410MHz and 450MHz ISM Band Transceiver