HPMX-2005-T10 データシートの表示（PDF） - HP => Agilent Technologies
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HPMX-2005-T10 Datasheet PDF : 12 Pages
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HPMX-2005 Typical
Performance Using Phase
Adjust
The HPMX-2005 has an internal
phase shifter that in normal use
(pin 9 open circuited) operates
over a frequency range of 25 to
200 MHz. By applying 5 volts to
pin 9, this frequency range can be
raised to beyond 250 MHz. This
page shows HPMX-2005 modu-
lator performance with pin 9 tied
to VCC = 5 V for higher frequency
operation. Using the Φ adjust has
minimal effect on the VSWRs at
the LO port.
1
6
0.8
Φ ADJ = NC
Φ ADJ = NC
4
0.6
0.4
0.2
Φ ADJ = 5 V
0
0
100
200
300
FREQUENCY (MHz)
Figure 13. HPMX-2005 RMS Amplitude
Error vs. Frequency and Φ Adjust.
VCC = 5 V, LO = -12 dBm, VIref = VQref =
2.5 V, √(VImod - 2.5)2 + (VQmod - 2.5)2 =
0.75 V, TA = 25°C.
2
Φ ADJ = 5 V
0
0
100
200
300
FREQUENCY (MHz)
Figure 14. HPMX-2005 RMS Phase
Error vs. Frequency and Φ Adjust.
VCC = 5 V, LO = -12 dBm, VIref = VQref =
2.5 V, √(VImod - 2.5)2 + (VQmod - 2.5)2 =
0.75 V, TA = 25°C.
15
0
-30
12
9
6
Φ ADJ = NC
3
Φ ADJ = 5 V
0
0
100
200
300
FREQUENCY (MHz)
Figure 15. HPMX-2005 RMS Modula-
tion Error vs. Frequency and Φ␣ Adjust.
VCC = 5 V, LO = -12 dBm, VIref␣ =␣ VQref =
2.5 V, √(VImod - 2.5)2 + (VQmod - 2.5)2 =
0.75 V, TA = 25°C.
VCC = +5 V
1000 pF
1000 pF
-2
-4
Φ ADJ = 5 V
-6
Φ ADJ = NC
-8
-10
0
50 100 150 200 250 300
FREQUENCY (MHz)
Figure 16. HPMX-2005 Output Power
vs. Frequency and Φ Adjust. VCC = 5 V,
LO = -12 dBm, VIref = VQref = 2.5 V,
VImod␣ = VQmod = 3.25 V, TA = 25°C.
-40
Φ ADJ = NC
Φ ADJ = 5 V
-50
-60
0
100
200
300
FREQUENCY (MHz)
Figure 17. HPMX-2005 LO Leakage vs.
Frequency and Φ Adjust. VCC = 5 V,
LO␣ = -12 dBm, VIref = VQref = VImod =
VQmod = 2.5 V, TA = 25°C.
1
16
2
15
3
14
1000 pF
RF out
Qref
Qmod
LO +
1000 pF
4
13
5
12
6
11
7
10
Iref
Imod
LO –
1000 pF
8
9
Φ ADJ. CONNECTION FOR
140-250 MHz OPERATION
Figure 18. Connection of Pin 9 for Operation of the
HPMX-2005 at Frequencies Between 140 MHz and
250 MHz.
7-59
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