AD8345AREZ Datasheet, PDF (6/20 Pages) Analog Devices – 140 MHz to 1000 MHz Quadrature Modulator

AD8345
TYPICAL PERFORMANCE CHARACTERISTICS
0
–2
V_S = 5V, DIFFERENTIAL INPUT = 1.2V p-p
–4
–6
–8
–10
–12
–14
V_S = 2.7V, DIFFERENTIAL INPUT = 200mV p-p
–16
–18
–20
250 300 350 400 450 500 550 600 650 700 750 800 850 900 950 1000
LO FREQUENCY (MHz)
Figure 3. Single Sideband (SSB) Output Power (POUT) vs. LO Frequency (FLO)
(I and Q Inputs Driven in Quadrature at Baseband Frequency (FBB) = 1 MHz;
TA = 25°C)
1.0
0.5
0.0
–0.5
V_S = 2.7V, 5V DIFFERENTIAL INPUT = 200mV p-p
–1.0
–1.5
–2.0
V_S = 5V DIFFERENTIAL INPUT = 1.2V p-p
–2.5
–3.0
–3.5
–4.0
–4.5
–5.0
–5.5
0.1
1
10
100
BASEBAND FREQUENCY (MHz)
Figure 4. I and Q Input Bandwidth
(TA = 25°C, FLO = 800 MHz, LO Level = −2 dBm,
I and Q Inputs Driven in Quadrature)
0
–2
–4
V_S = 5V, DIFFERENTIAL INPUT = 1.2V p-p
–6
–8
–10
–12
–14
–16
V_S = 2.7V, DIFFERENTIAL INPUT = 200mV p-p
–18
–20
–22
–24
–26
–40
–20
0
20
40
60
80
TEMPERATURE (°C)
Figure 5. SSB POUT vs. Temperature
(FLO = 800 MHz, LO Level = −2 dBm, FBB = 1 MHz,
I and Q Inputs Driven in Quadrature)
0
–2
T_A = –40°C
–4
–6
T_A = +25°C
–8
–10
T_A = +85°C
–12
–14
–16
250 300 350 400 450 500 550 600 650 700 750 800 850 900 9501000
LO FREQUENCY (MHz)
Figure 6. SSB Output 1 dB Compression Point (OP1dB) vs. FLO
(VS = 2.7 V, LO Level = −2 dBm,
I and Q Inputs Driven in Quadrature, FBB = 1 MHz)
4.0
3.5
T_A = +85°C
3.0
T_A = +25°C
2.5
2.0
T_A = –40°C
1.5
1.0
0.5
0.0
–0.5
250 300 350 400 450 500 550 600 650 700 750 800 850 900 9501000
LO FREQUENCY (MHz)
Figure 7. SSB Output 1 dB Compression Point (OP1dB) vs. FLO
(VS = 5 V, LO Level = −2 dBm,
I and Q Inputs Driven in Quadrature, FBB = 1 MHz)
–40
–41
V_S = 5V, DIFFERENTIAL INPUT = 1.2V p-p
–42
–43
–44
V_S = 2.7V, DIFFERENTIAL INPUT = 200mV p-p
–45
–46
–47
–48
–49
–50
250 300 350 400 450 500 550 600 650 700 750 800 850 900 9501000
LO FREQUENCY (MHz)
Figure 8. Carrier Feedthrough vs. FLO
(LO Level = −2 dBm, TA = 25°C)
Rev. B | Page 6 of 20