–150
–151
–152
–153
–154
–155
VS = 5V
–156
–157
–158
–159
–160
–10 –9 –8 –7 –6 –5 –4 –3 –2 –1 0 1 2
LO LEVEL (dBm)
Figure 21. Noise Floor vs. LO Input Power
(TA = 25°C, FLO = 800 MHz, VS = 5 V, All I and Q Inputs Are DC-Biased to 0.7 V)
Noise Measured at 20 MHz Offset from Carrier
AD8345
–36
–38
–40
–42
VS = 5.5V
–44
–46
–48
–50
–10 –9 –8 –7 –6 –5 –4 –3 –2 –1 0 1 2
LO LEVEL (dBm)
Figure 22. LO Feedthrough vs. LO Input Power
(TA = 25°C, LO = 800 MHz, VS = 5.5 V)
Rev. B | Page 9 of 20