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AT86RF232
Crosstalk from digital signals on the crystal pins or the RF pins can degrade the system
performance. Therefore, a low-pass filter (C3, R1) is placed close to the
Atmel AT86RF232 CLKM output pin to reduce the emission of CLKM signal harmonics.
This is not needed if the pin 17 (CLKM) is not used as a microcontroller clock source. In
that case, the output should be turned off during device initialization.
The ground plane of the application board should be separated into four independent
fragments, the analog, the digital, the antenna and the XTAL ground plane. The
exposed paddle shall act as the reference point of the individual grounds.
Table 5-1. Example Bill of Materials (BoM) for Basic Application Schematic.
Designator
B1
B1
Description
SMD balun
SMD balun / filter
Value
2.45GHz
2.45GHz
Manufacturer
Wuerth
Johanson
Part Number
748421245
2450FB15L0001
Comment
2.45GHz Balun
2.45GHz Balun / Filter
(alternatively)
Technology
CB1
LDO VREG
100nF
Generic
X7R
10%
16V
CB3
bypass capacitor
(0402)
CB2
Power supply decoupling
1μF
AVX
0603YD105KAT2A
X5R
10%
16V
CB4
Murata
GRM188R61C105KA12D
(0603)
CX1, CX2
Crystal load capacitor
12pF
AVX
06035A120JA
COG
5%
50V
Murata
GRM1555C1H120JA01D
(0402)
C1, C2
RF coupling capacitor
22pF
Murata
GRM1555C1H220JA01J C0G
5%
50V
Epcos
AVX
B37920
06035A220JAT2A
(0402 or 0603)
C3
CLKM low-pass
2.2pF
AVX
06035A229DA
COG
? 0.5pF
50V
filter capacitor
Murata
GRP1886C1H2R0DA01
(0603)
Designed for f CLKM = 1MHz
C4 (optional)
RF matching
Value depends on final
PCB implementation
R1
CLKM low-pass
680 ?
Designed for f CLKM = 1MHz
filter resistor
XTAL
Crystal
CX-4025 16MHz
SX-4025 16MHz
ACAL Taitjen
Siward
XWBBPL-F-1
A207-011
11
8321A – MCU Wireless – 10/11
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AT86RF232-ZXR
功能描述:射频收发器 2.4 GHZ ZIGBEE TRANSCEIVER
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
AT86RF233-ZF
功能描述:IC RF TXRX+MCU 802.15.4 32-VFQFN 制造商:microchip technology 系列:- 包装:托盘 零件状态:在售 类型:TxRx + MCU 射频系列/标准:802.15.4，通用 ISM > 1GHz 协议:6LoWPAN，Zigbee? 调制:O-QPSK 频率:2.4GHz 数据速率（最大值）:2Mbps 功率 - 输出:4dBm 灵敏度:-101dBm 存储容量:128B SRAM 串行接口:SPI 电压 - 电源:1.8 V ~ 3.6 V 电流 - 接收:11.3mA ~ 11.8mA 电流 - 传输:7.2mA ~ 13.8mA 工作温度:-40°C ~ 125°C 封装/外壳:32-VFQFN 裸露焊盘 标准包装:490
AT86RF233-ZFR
功能描述:IC RF TXRX+MCU 802.15.4 32-VFQFN 制造商:microchip technology 系列:- 包装:剪切带（CT） 零件状态:在售 类型:TxRx + MCU 射频系列/标准:802.15.4，通用 ISM > 1GHz 协议:6LoWPAN，Zigbee? 调制:O-QPSK 频率:2.4GHz 数据速率（最大值）:2Mbps 功率 - 输出:4dBm 灵敏度:-101dBm 存储容量:128B SRAM 串行接口:SPI 电压 - 电源:1.8 V ~ 3.6 V 电流 - 接收:11.3mA ~ 11.8mA 电流 - 传输:7.2mA ~ 13.8mA 工作温度:-40°C ~ 125°C 封装/外壳:32-VFQFN 裸露焊盘 标准包装:1
AT86RF233-ZU
功能描述:射频收发器 2.4GHz ZigBee Transceiver
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
AT86RF233-ZUR
功能描述:射频收发器 2.4GHz ZigBee Transceiver 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
AT86RF233-ZUS
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AT86RF401
制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:Smart RF Wireless Data Microtransmitter
AT86RF401E
制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:Smart RF Wireless Data Microtransmitter