AD8345
TYPICAL PERFORMANCE CHARACTERISTICS
0
–2
–4
V
S
= 5V, DIFFERENTIAL INPUT = 1.2V p-p
SSB OUTPUT P1dB (dBm)
0
–2
–4
–6
T
A
= +25°C
–8
–10
–12
–14
T
A
= +85°C
T
A
= –40°C
SSB POWER (dBm)
–6
–8
–10
–12
–14
V
S
= 2.7V, DIFFERENTIAL INPUT = 200mV p-p
–16
00932-007
–18
–20
250 300 350 400 450 500 550 600 650 700 750 800 850 900 950 1000
LO FREQUENCY (MHz)
–16
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 (P
OUT
) vs. LO Frequency (F
LO
)
(I and Q Inputs Driven in Quadrature at Baseband Frequency (F
BB
) = 1 MHz;
T
A
= 25°C)
1.0
0.5
Figure 6. SSB Output 1 dB Compression Point (OP1dB) vs. F
LO
(V
S
= 2.7 V, LO Level = −2 dBm,
I and Q Inputs Driven in Quadrature, F
BB
= 1 MHz)
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
00932-011
OUTPUT POWER VARIATION (dB)
0.0
V
S
= 2.7V, 5V DIFFERENTIAL INPUT = 200mV p-p
T
A
= +85°C
T
A
= +25°C
T
A
= –40°C
–1.0
–1.5
–2.0
–2.5
–3.0
–3.5
–4.0
–4.5
–5.0
–5.5
0.1
V
S
= 5V DIFFERENTIAL INPUT = 1.2V p-p
00932-008
SSB OUTPUT P1dB (dBm)
–0.5
1
10
BASEBAND FREQUENCY (MHz)
100
–0.5
250 300 350 400 450 500 550 600 650 700 750 800 850 900 950 1000
LO FREQUENCY (MHz)
Figure 4. I and Q Input Bandwidth
(T
A
= 25°C, F
LO
= 800 MHz, LO Level = −2 dBm,
I and Q Inputs Driven in Quadrature)
0
–2
–4
–6
V
S
= 5V, DIFFERENTIAL INPUT = 1.2V p-p
CARRIER FEEDTHROUGH (dBm)
Figure 7. SSB Output 1 dB Compression Point (OP1dB) vs. F
LO
(V
S
= 5 V, LO Level = −2 dBm,
I and Q Inputs Driven in Quadrature, F
BB
= 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
00932-012
SSB POWER (dBm)
–8
–10
–12
–14
–16
–18
–20
–22
–24
–26
–40
–20
0
40
20
TEMPERATURE (°C)
60
00932-009
V
S
= 2.7V, DIFFERENTIAL INPUT = 200mV p-p
80
–50
250 300 350 400 450 500 550 600 650 700 750 800 850 900 950 1000
LO FREQUENCY (MHz)
Figure 5. SSB P
OUT
vs. Temperature
(F
LO
= 800 MHz, LO Level = −2 dBm, F
BB
= 1 MHz,
I and Q Inputs Driven in Quadrature)
Figure 8. Carrier Feedthrough vs. F
LO
(LO Level = −2 dBm, T
A
= 25°C)
Rev. B | Page 6 of 20
00932-010
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