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Highest Performance,
Frequency Range
IIP3
Gain
NF/5dBm Blocking
Power Supply
Lowest Power Dual Mixers
190MHz
1nF
270nH 270nH
RF
Main
RF
Diversity
2.7pF
2.7pF
RFA
RFB
10nF
RF
LTC5569
RF
10nF
+
IFA
+
IFB
270nH 270nH
IFA
IFB
LO
LO
1nF
–
V
CCA
V
1nF
ENA
LO
GND
ENB
CCB
190MHz
BIAS
BIAS
–
3.9pF
3.3V
10nF
LO
3.3V
10nF
IF VGA
LTC6412
IF VGA
LTC6412
Dual ADC
BPF
LTC2158-14
BPF
1nF
1.95GHz Low Power Diversity Receiver with 190MHz Bandpass IF Matching
Linear Technology Dual Mixer Family
LTC5569 300MHz to 4GHz 26.8dBm 2dB 11.7/17.0dB 3.3V/182mA
LTC5590 600MHz to 1.7GHz 26.0dBm 8.7dB 9.7/15.5dB 3.3V/379mA
LTC5591 1.3GHz to 2.3GHz 26.2dBm 8.5dB 9.9/15.5dB 3.3V/382mA
LTC5592 1.6GHz to 2.7GHz 26.3dBm 8.3dB 9.8/16.4dB 3.3V/406mA
LTC5593 2.3GHz to 4.5GHz 26.0dBm 8.5dB 9.5/15.9dB 3.3V/397mA
L, LT, LTC, LTM, Linear Technology and the Linear logo are
registered trademarks of Linear Technology Corporation. All other
trademarks are the property of their respective owners.
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LTC5569
Competition
Actual Application Circuit — Fewer External Components Saves Cost
RFA
RFB
RFA
GND
GND
RFB
BIASA
RF
LTC5569
RF
BIASB
+
IFA
IFA
IFB+IFB
GND
GND
OP2+
RF2RF1
VPOSVPOS
IFA
3.3V
–
V
CCA
BIAS
LO
ENA
LO
VPOS
VPOS RF1+ RF1– GND RF2+
GND
GND
IF1P
LO
IN
OP1+
RF2–
Competition
OP1–
GND
VPOS
ENBL GND LOIP LOIN GND VSET
BIAS
GND
ENB
VPOS VPOS
V
CCB
IFB
LO
–
OP2–
GND
VPOS
IF2P
www.linear.com/5569 n 1-800-4-LINEAR
IIP3 26.8dBm 28dBbm
Gain 2dB < 0dB
OIP3 28.8dBm < 28dBm
NF 11.7dB 11.8dB
NF with 0dBm Blocker 14.5dB 22dB
Power Consumption 0.6W 1.1W
0112
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