AD8345-EVAL Ver la hoja de datos (PDF) - Analog Devices
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AD8345-EVAL Datasheet PDF : 21 Pages
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AD8345
–45
–50
–55
VS = 5V, DIFFERENTIAL INPUT = 1.2V p-p
–60
–65
–70
–75
VS = 2.7V, DIFFERENTIAL INPUT = 200mV p-p
–80
–40
–20
0
20
40
60
80
TEMPERATURE (°C)
Figure 15. Third Order Distortion vs. Temperature
(FLO = 800 MHz, LO Level = −2 dBm, FBB = 1 MHz,
I and Q Inputs Driven in Quadrature)
–10
–2
–15
–4
–20
–6
–25
SSB POUT
–8
–30
–10
–35
–12
–40
–14
THIRD ORDER DISTORTION
–45
–16
–50
–18
–55
–20
–60
–22
–65
–24
–70
0.0
0.5
1.0
1.5
2.0
2.5
BASEBAND DIFFERENTIAL INPUT VOLTAGE (V p-p)
–26
3.0
Figure 16. Third Order Distortion and SSB POUT vs. Baseband Differential Input
Voltage (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
Figure 17. Third Order Distortion and SSB POUT vs. Baseband Differential Input
Voltage (TA = 25°C, FLO = 800 MHz, LO Level = −2 dBm, FBB = 1 MHz, VS = 5 V)
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)
Figure 18. Power Supply Current vs. Temperature
WITH 50Ω
1GHz
SMITH CHART
NORMALIZED
TO 50Ω
250MHz
WITH 100Ω 1GHz
LOIN NO BALUN
OR TERMINATION
Figure 19. 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
VS = 5V
–30
250 300 350 400 450 500 550 600 650 700 750 800 850 900 950 1000
FREQUENCY (MHz)
Figure 20. Return Loss (S22) of VOUT Output (TA = 25°C)
Rev. B | Page 8 of 20
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