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nRF904 RF and antenna layout
消耗积分:3 |
格式:rar |
大小:555 |
2008-09-08
48674
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The RF layouts include all necessary circuitry to design the radio frequency part of a
short range communication system based on Q5) . The transmitter data and
control lines DIN, XO8, PWR_DOWN, and CLOCK/ASK, are available at the
perimeter of the RF layout and should be connected to the digital part of a customer’s
application. +3V and GND are also available at the perimeter of the RF layout. The
+3V for the RF part of the application circuit should be filtered separately from the
supply voltages of any digital circuitry. Star routing is strictly recommended from the
+3V supply source to the RF, digital or other parts of the application circuit.
All RF layouts presented below are equal except for the antenna connection circuitry.
Solutions for differential connection to loop antenna and single ended connection to
50W antenna are presented.
short range communication system based on Q5) . The transmitter data and
control lines DIN, XO8, PWR_DOWN, and CLOCK/ASK, are available at the
perimeter of the RF layout and should be connected to the digital part of a customer’s
application. +3V and GND are also available at the perimeter of the RF layout. The
+3V for the RF part of the application circuit should be filtered separately from the
supply voltages of any digital circuitry. Star routing is strictly recommended from the
+3V supply source to the RF, digital or other parts of the application circuit.
All RF layouts presented below are equal except for the antenna connection circuitry.
Solutions for differential connection to loop antenna and single ended connection to
50W antenna are presented.
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