Table 1. Typical Output Spurs.
All values in dBc relative to output at 1900 MHz. f
LOmix
= 1750.33 MHz, f
LOmod
= 149.67 MHz, V
i
= V
q
= 1.65 V,
V
i
= V
q
= 1.35 V, f
spur
= m*f
LOmix
+n*f
LOmod
m↓ n→
0
1
2
3
4
5
6
-6
-38.8
-51.9
-26.6
-37.8
-45.7
-65.0
-65.5
-5
-53.4
-37.3
-32.8
-32.7
-47.1
-67.5
-82.2
-4
-47.7
-37.7
-23.7
-57.4
-45.3
-56.1
-65.9
-3
-60.1
-23.9
-36.3
-28.3
-47.0
-61.7
-60.7
-2
-46.7
-23.6
-16.5
-25.9
-39.4
-57.6
-57.4
-1
-72.3
0
-34.5
-21.2
-51.1
-52.0
-62.7
0
-
-21.4
-19.5
-27.5
-43.3
-43.5
-57.5
1
-72.2
0
-21.3
-23.8
-40.4
-54.8
-66.2
2
-46.7
-22.1
-26.3
-38.7
-49.7
-61.6
-64.9
3
-60.1
-17.7
-36.8
-45.9
-54.7
-65.4
-77.1
4
-47.6
-41.7
-29.5
-54.3
-49.8
-59.9
-72.0
5
-53.3
-28.7
-48.8
-41.2
-57.8
-64.7
-83.1
6
-38.8
-35.1
-40.6
-48.8
-57.2
-63.7
-86.3
V
CC
= 5 V
25
MODULATOR + MIXER
I
CC
(mA)
I
CC
(mA)
I
CC
(mA) MODULATOR ONLY @ 25 °C
30
30
12
11
10
9
8
7
6
27
20
24
V
CC
= 3 V
15
21
10
MODULATOR ONLY
5
-40
-15
10
35
60
85
18
15
-40
-15
10
35
60
85
2
3
4
V
CC
(VOLTS)
5
6
TEMPERATURE (°C)
TEMPERATURE (°C)
Figure 1. I
CC
vs. Temperature.
Figure 2. Modulator + Mixer I
CC
vs.
Temperature and V
CC
.
Figure 3. Modulator Only Mode I
CC
vs. V
CC
at 25
°
C.
30
25 °C
25
20
I
CC
(mA)
0
85 °C
0
-10
-10
OUTPUT LEVEL (dBm)
-20
-30
-40
-50
-60
-70
SIDEBAND OUTPUT
OUTPUT LEVEL (dBm)
0 °C
-40 °C
-20
-30
-40
-50
-60
-70
SIDEBAND OUTPUT
15
10
5
0
CARRIER
SUPPRESSED SIDEBAND
CARRIER
SUPPRESSED SIDEBAND
-15
10
35
60
85
2
3
4
V
CC
(VOLTS)
5
6
-80
2
3
4
V
CC
(VOLTS)
5
6
-80
-40
TEMPERATURE (°C)
Figure 4. Modulator + Mixer I
CC
vs.
V
CC
and Temperature.
Figure 5. Modulator Only SSB
Performance vs. V
CC
.
Figure 6. Modulator Only SSB
Performance vs. Temperature.
7-77
AGILENT [ AGILENT TECHNOLOGIES, LTD. ]
