
5
OUTPUT
LEVEL
(dBm)
i,q AMPLITUDE (Vpk)
200
0
300
600
-100
-30
0
-70
500
-50
-40
-10
-20
-60
DSB OUTPUT (EACH SIDEBAND)
IM3 OUTPUT
100
400
-80
-90
OUTPUT
LEVEL
(dBm)
i,q AMPLITUDE (Vpk)
200
0
300
600
-80
-30
0
-70
500
-50
-40
-10
-20
-60
SIDEBAND OUTPUT
CARRIER
SUPPRESSED SIDEBAND
100
400
Figure 7. Modulator Only DSB Output
Power Level and IM3 Level vs. i,q
Input Amplitude (Each Pin, Relative
to Ground).
Figure 8. Modulator Only SSB Mode
Performance vs. i,q Input Amplitude
(Each Pin, Relative to Ground).
Figure 9. Modulator Only SSB Output
Power, Carrier and Sideband
Suppression vs. LOmod Frequency.
Figure 13. Modulator + Mixer SSB
Output Levels vs. VCC.
Figure 14. Modulator + Mixer SSB
Output Levels vs. LOmix Power Input.
Figure 15. Modulator + Mixer SSB
Output Levels vs. Temperature and VCC.
Figure 11. Modulator Only SSB
Performance vs. i,q Offset Level
(Each Pin, Relative to Ground).
Figure 10. Modulator Only SSB
Performance vs. LOmod Input Level.
1
1.5
2.5
0.5
2
0
-80
-30
-70
-50
-40
-10
-20
-60
OUTPUT
LEVEL
(dBm)
i,q OFFSET LEVEL (VOLTS)
SIDEBAND OUTPUT
CARRIER
SUPPRESSED SIDEBAND
OUTPUT
LEVEL
(dBm)
FREQUENCY (MHz)
0
149.67
149.725
-120
-40
149.615
-100
-80
-60
-20
TEMPERATURE (°C)
-15
10
60
85
-40
35
OUTPUT
LEVEL
(dBm)
0
-30
-70
-50
-40
-10
-20
-60
SIDEBAND OUTPUT
LOmix + LOmod LEAK
SUPPRESSED
SIDEBAND
VCC = 5 V
VCC = 3 V
OUTPUT
LEVEL
(dBm)
LOmix POWER INPUT (dBm)
-20
0
-10
5
-60
-20
-25
-50
0
-40
-30
-10
SIDEBAND OUTPUT
LOmix + LOmod LEAK
SUPPRESSED SIDEBAND
-15
-5
OUTPUT
LEVEL
(dBm)
VCC (VOLTS)
3
0
46
-60
-20
2
-50
5
-40
-30
-10
SIDEBAND OUTPUT
LOmix + LOmod LEAK
SUPPRESSED SIDEBAND
0
-80
-30
-70
-50
-40
-10
-20
-60
OUTPUT
LEVEL
(dBm)
LOmod INPUT POWER (dBm)
-15
-5
5
-25
SIDEBAND OUTPUT
CARRIER
SUPPRESSED
SIDEBAND
OUTPUT
LEVEL
(dBm)
LOmod FREQUENCY (MHz)
200
0
400
800
-90
-30
0
-80
600
-50
-40
-10
-20
-60
SIDEBAND OUTPUT
CARRIER
SUPPRESSED SIDEBAND
-70
Figure 12. Modulator Only SSB
Output Spectrum at 150 MHz.