ATZB-A24-U0 Atmel, ATZB-A24-U0 Datasheet - Page 18

• Manufacturer Part Number: ATZB-A24-U0
• Description: KIT MOD 802.15.4/ZIGB 2.4GHZ UNB
• Manufacturer: Atmel

Specifications of ATZB-A24-U0

• Frequency: 2.4GHz
• Data Rate - Maximum: 250kbps
• Modulation Or Protocol: 802.15.4 Zigbee
• Applications: Home/Building Automation, Industrial Control and Monitoring
• Power - Output: 20dBm
• Sensitivity: -104dBm
• Voltage - Supply: 3 V ~ 3.6 V
• Current - Receiving: 23mA
• Current - Transmitting: 50mA
• Data Interface: PCB, Surface Mount
• Memory Size: 128kBytes Flash, 8kBytes RAM, 4kBytes EEPROM
• Antenna Connector: PCB, Surface Mount
• Operating Temperature: -40°C ~ 85°C
• Package / Case: Module
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

3.6
ZigBit™ 2.4 GHz Amplified Wireless Modules
Antenna Reference Design
Multiple factors affect proper antenna match, hence, affecting the antenna pattern. The particular factors
are the board material and thickness, shields, the material used for enclosure, the board neighborhood,
and other components adjacent to antenna.
General Recommendations:
The board design should prevent propagation of microwave field inside the board material. Electromag-
netic waves of high frequency may penetrate the board thus making the edges of the board radiate,
which may distort the antenna pattern. To eliminate this effect, metalized and grounded holes must be
placed around the board's edges.
Metal enclosure should not be used. Using low profile enclosure might also affect antenna tuning.
Placing high profile components next to antenna should be avoided.
Having holes punched around the periphery of the board eliminates parasitic radiation from the board
edges also distorting antenna pattern.
ZigBit Amp module should not be placed next to consumer electronics which might interfere with
ZigBit Amp's RF frequency band.
8228B–MCU Wireless–06/09
Specifications
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