HPMX-2003 Modulation Accuracy (Sample Part)
1
0.5
85 °C
-55 °C
0
-0.5
-1
0
90
180
270
360
INPUT PHASE (DEGREES)
Figure 12. HPMX-2003 Amplitude Error vs. Input Phase at 900 MHz,
VCC␣ = 5 V, √(VImod -2.5)2 + (VQmod - 2.5)2 = 1.25 V, LO = -12 dBm.
25°C␣ Curve Deleted for Clarit y.
4
2
0
-55 °C
-2
85 °C
-4
0
90
180
270
360
INPUT PHASE (DEGREES)
Figure 13. HPMX-2003 Output Phase Error vs. Input Phase at 900 MHz,
VCC␣ = 5 V, √(VImod -2.5)2 + (VQmod - 2.5)2 = 1.25 V, LO = -12 dBm.
25°C Curve Deleted for Clarity.
8
6
85 °C
4
2
-55 °C
0
0
90
180
270
360
INPUT PHASE (DEGREES)
Figure 14. Modulation Error vs. Input Phase at 900 MHz, VCC = 5 V,
√(VImod -2.5)2 + (VQmod -2.5)2 = 1.25 V, LO = -12 dBm. Percent Modulation
Error is Calculated from the Values of Amplitude and Phase Error.
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