THS9001_15 Datasheet, PDF (12/23 Pages) Texas Instruments – 50 MHz to 750 MHz CASCADEABLE AMPLIFIER

THS9001
SLOS426C – NOVEMBER 2003 – REVISED DECEMBER 2013
www.ti.com
Figure 21 shows an example of a single conversion receiver architecture and where the THS9001 would typically
be used.
LNA 1
900 MHz − 2 GHz
Image Rejection
Filter
LNA 2
Mixer
IF Amp 1
IF SAW
900 MHz − 2 GHz
PGA
IF SAW
IF Amp 2
ADC
RX LO
LO Drive LO Drive
Amp 1
Amp 2
THS9001
2x for Diversity
Figure 21. Example Single Conversion Receiver Architecture
Figure 22 shows an example of a dual conversion receiver architecture and where the THS9001 would typically
be used.
900 MHz − 2 GHz
100 MHz − 300 MHz
Image Reject
1st IF Amp
LNA 1 LNA 2 ^Filter 1st Mixer
1st IF SAW PGA
20 MHz − 70 MHz
2nd IF Amp1
2nd Mixer
2nd
IF SAW
2nd IF
Amp2
Alias Filter
ADC
LO1 Drive LO1 Drive
RX LO 1 Amp 1 Amp 2
RX LO2
LO2 DriveLO2 Drive
Amp 1 Amp 2
THS9001
2x for Diversity
Figure 22. Example Dual Conversion Receiver Architecture
Figure 23 shows an example of a dual conversion transmitter architecture and where the THS9001 would
typically be used.
BB
100 MHz − 300 MHz
900 MHz − 2 GHz
1st IF amp
DAC BB Amp Alias Filter 1st Mixer
IF SAW PGA 2nd Mixer
PA
RX LO1 LO1 Drive ^{LO1 Drive}
Amp 1 Amp 2
LO2 Drive LO2 Drive
RX LO2 Amp 1 Amp 2
THS9001
2x for Diversity
Figure 23. Example Dual Conversion Transmitter Architecture
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