
11
Figure 22. HPMX-2003 GSM
Modulation Spectrum at -40
°C.
Note: Modulation spectrum test conditions as follows: V
CC = 5 V, LO = -12 dBm at 900 MHz, VImod = VQmod = 2.5 Vp-p, unbalanced, average
level = 2.5 V, VIref = VQref = 2.5 V, bit clock rate: 270 kHz, baseband filter: α = 0.3 GMSK.
Figure 28. HPMX-2003 Power
Output
vs. LO Input Power at 900 MHz, VCC =
5 V, V
Imod = VQmod = 3.75 V, Unbalanced,
VIref = VQref = 2.5 V, TA = 25°C.
HPMX-2003 Typical Performance Data
GSM Applications
Figure 25. HPMX-2003 Output VSWR
and Power vs. Frequency, VCC = 5 V,
LO = -12 dBm, VImod = VQmod = 3.75 V,
Unbalanced, V
Iref = VQref = 2.5 V,
TA =25°C.
Figure 27. LO leakage vs. Frequency
and Temperature (With 25
°C Offset
Adjustment), VCC = 5 V, LO = -12 dBm,
V
Iref = VQref = 2.5 V.
Figure 24. HPMX-2003 GSM
Modulation Spectrum at 85
°C.
Figure 30. HPMX-2003 Vector Phase
Error vs. Input Phase and
Temperature at 900 MHz, VCC = 5 V,
LO = -12 dBm, Unbalanced, V
Iref = VQref
= 2.5 V.
Figure 23. HPMX-2003 GSM
Modulation Spectrum at 25
°C.
Figure 26. HPMX-2003 LO Leakage vs.
Frequency and Temperature (Without
Offset Adjustment), V
CC = 5 V,
LO = -12 dBm, VImod = VQmod = VIref =
VQref = 2.5 V.
Figure 29. HPMX-2003 Vector
Amplitude Error vs. Input Phase and
Temperature at 900 MHz, VCC = 5 V,
LO = -12 dBm, VIref = VQref = 2.5 V.
899
FREQUENCY (MHz)
-100
-50
0
RF
OUTPUT
POWER
(dBm)
900
901
RES BW = 3 kHz
VBW = 30 Hz
SWP = 60.0 SEC.
899
FREQUENCY (MHz)
-100
-50
0
RF
OUTPUT
POWER
(dBm)
900
901
RES BW = 3 kHz
VBW = 30 Hz
SWP = 60.0 SEC.
899
FREQUENCY (MHz)
-100
-50
0
RF
OUTPUT
POWER
(dBm)
900
901
RES BW = 3 kHz
VBW = 30 Hz
SWP = 60.0 SEC.
1.25:1
890
FREQUENCY (MHz)
1:1
900
1.5:1
2:1
1.75:1
OUTPUT
VSWR
910
920
880
930
OUTPUT
POWER
(dBm)
5
4
6
8
7
POWER >
< VSWR
-30
850
FREQUENCY (MHz)
-40
875
-20
0
-10
OUTPUT
POWER
(dBm)
925
950
-55
°C
85
°C
900
25
°C
-60
850
FREQUENCY (MHz)
-80
875
-40
0
-20
OUTPUT
POWER
(dBm)
925
950
-55
°C
85
°C
900
25
°C
-15
2
-25
LO INPUT POWER (dBm)
0
4
-20
6
8
OUTPUT
POWER
(dBm)
-10
-5
0
-0.5
0
INPUT PHASE (DEGREES)
-1
90
0
1
0.5
OUTPUT
AMPLITUDE
ERROR
(dB)
270
360
180
85
°C
-55
°C
-2
0
INPUT PHASE (DEGREES)
-4
90
0
4
2
OUTPUT
PHASE
ERROR
(DEGREES)
270
360
180
85
°C
-55
°C