Physical-Layer RF Design of Dual-Band 802.11 WLAN - WOCC ...
Physical-Layer RF Design of Dual-Band 802.11 WLAN - WOCC ...
Physical-Layer RF Design of Dual-Band 802.11 WLAN - WOCC ...
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Related to baseband IQ Mixer, <strong>RF</strong> mixer<br />
-11<br />
-21<br />
-31<br />
-41<br />
-51<br />
-61<br />
-71<br />
-81<br />
-91<br />
-101<br />
-111<br />
FFT Spectrum<br />
2400~2483.5 MHz<br />
5150~5350 MHz<br />
Ant<br />
1990 1992 1994 1996 1998 2000 2002 2004 2006 2008 201<br />
Frequency / MHz<br />
Ant<br />
switch<br />
<strong>RF</strong><br />
filter<br />
T/R<br />
switch<br />
LNA<br />
Power<br />
Amp<br />
Gain<br />
Amp<br />
Driver<br />
Amp<br />
Image<br />
flter<br />
LC<br />
<strong>RF</strong> Mixer<br />
SAW<br />
Variable<br />
Gain Amp<br />
<strong>RF</strong>MD <strong>RF</strong>2948<br />
VGC<br />
0<br />
42<br />
90<br />
∑<br />
LPF<br />
Q Out<br />
I Out<br />
Q Data<br />
IQ Mixer<br />
LPF I Data<br />
ADC<br />
ADC<br />
DAC<br />
DAC<br />
PFD<br />
LO1<br />
÷ 2<br />
F ref<br />
LO2<br />
÷P ÷2<br />
PFD<br />
÷P ÷2<br />
-11<br />
-21<br />
-31<br />
-41<br />
-51<br />
-61<br />
-71<br />
-81<br />
-91<br />
-101<br />
-111<br />
FFT Spectrum<br />
1990 1992 1994 1996 1998 2000 2002 2004 2006 2008 201<br />
Frequency / MHz<br />
CCU-EE<br />
Wireless Communication Lab<br />
25
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