–45
–50
–55
VS = 5V, DIFFERENTIAL INPUT = 1.2V p-p
–60
–65
–70
–75
–80
–40
VS = 2.7V, DIFFERENTIAL INPUT = 200mV p-p
–20
0
20
40
60
80
TEMPERATURE – ؇C
TPC 13. Third Order Distortion vs. Temperature.
(FLO = 800 MHz, LO Level = –2 dBm, FBB =1 MHz,
I and Q Inputs Driven in Quadrature)
–10
–15
–20
–25
–30
–35
–40
–45
–50
–55
–60
–65
–70
0.0
SSB POUT
THIRD ORDER DISTORTION
0.5
1.0
1.5
2.0
2.5
BASEBAND DIFFERENTIAL INPUT VOLTAGE – V p-p
–2
–4
–6
–8
–10
–12
–14
–16
–18
–20
–22
–24
–26
3.0
TPC 14. Third Order Distortion and SSB POUT vs. Base-
band Differential Input Level. (TA = 25°C, FLO = 800 MHz,
LO Level = –2 dBm, FBB = 1 MHz, VS = 2.7 V)
–5
–10
–15
–20
–25
–30
–35
–40
–45
–50
–55
–60
–65
–70
0.0
4
2
0
–2
SSB POUT
–4
–6
–8
–10
–12
–14
THIRD ORDER DISTORTION
–16
–18
–20
0.5
1.0
1.5
2.0
2.5
BASEBAND DIFFERENTIAL INPUT VOLTAGE – V p-p
–22
3.0
TPC 15. Third Order Distortion and SSB POUT vs. Base-
band Differential Input Level. (TA = 25°C, FLO = 800 MHz,
LO level = –2 dBm, FBB = 1 MHz, VS = 5 V)
AD8345
80
75
70 VS = 5V, DIFFERENTIAL INPUT = 1.2V p-p
65
60
55
50
VS = 2.7V, DIFFERENTIAL INPUT = 200mV p-p
45
40
–40
–20
0
20
40
60
80
TEMPERATURE – ؇C
TPC 16. Power Supply Current vs. Temperature
WITH 50⍀
1GHz
SMITH CHART
NORMALIZED
TO 50⍀
250MHz
WITH 100⍀ 1GHz
LOIN NO BALUN
OR TERMINATION
TPC 17. Smith Chart of LOIN Port S11 (LOIP Pin AC-
Coupled to Ground). Curves with Balun and External
Termination Resistors Also Shown. (VS = 5 V,
TA = 25°C)
0
–5
–10
–15
–20
VS = 2.7V
–25
–30
VS = 5V
250 300 350 400 450 500 550 600 650 700 750 800 850 900 9501000
FREQUENCY – MHz
TPC 18. Return Loss (S22) of VOUT Output (TA = 25°C)
REV. 0
–7–