參數(shù)資料
型號(hào): MRF24J40-IMM
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(biāo)準(zhǔn)⑩2.4 GHz射頻收發(fā)器
文件頁(yè)數(shù): 51/66頁(yè)
文件大?。?/td> 748K
代理商: MRF24J40-IMM
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(guān)PDF資料
PDF描述
MRSM75 Rotation detection MR sensor
MRUS51S Micro power Built-in IC ultra-minimum MR sensor
MS-012AA SOIC: 8−LEAD (POWER ICS ONLY)
MS1022 PNP RF Amplifier Transistor Surface Mount
MS1022-CT1 PNP RF Amplifier Transistor Surface Mount
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MRF24J40MA 制造商:Microchip Technology Inc 功能描述:WIRELESS TRANCEIVER MODULE, Supply Voltage Min:2.4V, Supply Voltage Max:3.6V, MS
MRF24J40MA-I/RM 功能描述:Zigbee/802.15.4模塊 2.4GHz IEEE 802.15.4 Transceiver Module RoHS:否 制造商:Digi International 頻帶:902 MHz to 928 MHz 視線范圍: 數(shù)據(jù)速率: 靈敏度: 工作電源電壓:2.4 V to 3.6 V 傳輸供電電流:215 mA 接收供電電流:26 mA 輸出功率:250 mW 天線連接器類型:Wire 最大工作溫度:+ 85 C 尺寸:32.94 mm x 22 mm x 2.03 mm
MRF24J40MAT-I/RM 功能描述:射頻接收器 2.4GHz IEEE 802.15.4 Transceiver Module RoHS:否 制造商:Skyworks Solutions, Inc. 類型:GPS Receiver 封裝 / 箱體:QFN-24 工作頻率:4.092 MHz 工作電源電壓:3.3 V 封裝:Reel
MRF24J40MB-I 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:IEEE 802.15.4a?¢ 2.4 GHz RF Transceiver
MRF24J40MB-I/RM 功能描述:Zigbee/802.15.4模塊 2.4GHz, 802.15.4 Xcvr w/int PA RoHS:否 制造商:Digi International 頻帶:902 MHz to 928 MHz 視線范圍: 數(shù)據(jù)速率: 靈敏度: 工作電源電壓:2.4 V to 3.6 V 傳輸供電電流:215 mA 接收供電電流:26 mA 輸出功率:250 mW 天線連接器類型:Wire 最大工作溫度:+ 85 C 尺寸:32.94 mm x 22 mm x 2.03 mm