參數資料
型號: MRF24J40
廠商: Microchip Technology Inc.
英文描述: IEEE 802.15.4⑩ 2.4 GHz RF Transceiver
中文描述: IEEE 802.15.4標準⑩2.4 GHz射頻收發(fā)器
文件頁數: 51/66頁
文件大?。?/td> 748K
代理商: MRF24J40
2006 Microchip Technology Inc.
Advance Information
DS39776A-page 49
MRF24J40
FIGURE A-5:
IMPEDANCE OF THE PCB ANTENNA WITH VOLTAGE STANDING WAVE RATIO
The most critical part of maintaining proper impedance
is adhering to the specified dimensions of the printed
circuit board antenna (see Figure A-6). The antenna
dimensions, if altered, will change the specified imped-
ance. As an example, a 1 mm variance will shift the
impedance by 5-10 MHz.
FIGURE A-6:
PRINTED CIRCUIT BOARD ANTENNA DIMENSIONS
Note:
This part has been simulated using a
HFSS simulator provided by Ansoft
Corporation.
1.0
1.0
1.0
1.0
1.0
0.72
3
0.85
0.5
3.82
4.2
6.6
4.3
1.2
1.3
20
3.8
5.3
8.6
22.0
1.2
6.0
1.54
0
相關PDF資料
PDF描述
MRF24J40-I IEEE 802.15.4⑩ 2.4 GHz RF Transceiver
MRF24J40-IMM IEEE 802.15.4⑩ 2.4 GHz RF Transceiver
MRSM75 Rotation detection MR sensor
MRUS51S Micro power Built-in IC ultra-minimum MR sensor
MS-012AA SOIC: 8−LEAD (POWER ICS ONLY)
相關代理商/技術參數
參數描述
MRF24J40_08 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:IEEE 802.15.4? 2.4 GHz RF Transceiver
MRF24J40_10 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:IEEE 802.15.4a?¢ 2.4 GHz RF Transceiver
MRF24J40-I 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:IEEE 802.15.4⑩ 2.4 GHz RF Transceiver
MRF24J40-I/ML 功能描述:射頻收發(fā)器 2.4 Ghz IEEE/ZigBee RoHS:否 制造商:Atmel 頻率范圍:2322 MHz to 2527 MHz 最大數據速率:2000 Kbps 調制格式:OQPSK 輸出功率:4 dBm 類型: 工作電源電壓:1.8 V to 3.6 V 最大工作溫度:+ 85 C 接口類型:SPI 封裝 / 箱體:QFN-32 封裝:Tray
MRF24J40-I/ML 制造商:Microchip Technology Inc 功能描述:ZIGBEE Transceiver IC