An Introduction to Orthogonal Frequency Division Multiplex - Ieee.li
An Introduction to Orthogonal Frequency Division Multiplex - Ieee.li
An Introduction to Orthogonal Frequency Division Multiplex - Ieee.li
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15<br />
Digital<br />
Section<br />
(ASIC/<br />
FPGA)<br />
Digital<br />
Section<br />
(ASIC/<br />
FPGA)<br />
IFFT<br />
FFT<br />
Digital I and Q<br />
Bus<br />
The OFDM Radio<br />
D/A<br />
D/A<br />
A/D<br />
A/D<br />
Filter<br />
Filter<br />
Filter<br />
Filter<br />
Modula<strong>to</strong>r<br />
90 o<br />
90 o<br />
Demodula<strong>to</strong>r<br />
A G R E A T E R M E A S U R E O F C O N F I D E N C E<br />
IF<br />
Mixer<br />
Sum PA<br />
IF<br />
Mixer<br />
www.keithley.com<br />
TX RF/uW<br />
Local<br />
Oscilla<strong>to</strong>r<br />
(LO)<br />
PA<br />
Local<br />
Oscilla<strong>to</strong>r<br />
(LO)<br />
RX RF/uW<br />
© Copyright 2007-2008 Keithley Instruments, Inc.