W3013 Datasheet, PDF (9/12 Pages) Agere Systems – W3013 Indirect Quadrature Modulator with Gain Control

Preliminary Data Sheet
November 1998
Characteristic Curves (continued)
Vcc = 3.0
I/Q = π/4 DQPSK
α = 0.35
1.3 Vp-p (RANDOM DATA)
30 kHz ACP
60 kHz ACP
90 kHz ACP
–20
–25
–30
–35
–40
–45
–50
–55
–60
–65
–70
–55 –50 –45 –40 –35 –30 –25 –20 –15 –10
OUTPUT POWER/24.3 kHz (dBm)
Figure 8. Adjacent Channel Suppression for
IS-136 vs. 1900 MHz Output Power
Vcc = 2.7
I/Q = π/4 DQPSK
α = 0.35
1.3 Vp-p (RANDOM DATA)
–40
ACP 50 kHz
ACP 100 kHz
–45
–50
–55
–60
–65
–70
–75
–80
–55 –50 –45 –40 –35 –30 –25 –20 –15 –10 –5
OUTPUT POWER/21 kHz (dBm)
Figure 9. Adjacent Channel Suppression for
PDC vs. 940 MHz Output Power
W3013 Indirect Quadrature Modulator
with Gain Control
2.8 mVp-p
500 mVp-p
1 Vp-p
0
–3
–6
–9
–12
–15
–18
–21
–24
–27
–30
–33
0.01
0.1
1
10
100
I/Q FREQUENCY (MHz)
1000
Figure 10. IQ Bandwidth vs. ac Input Voltage
Lucent Technologies Inc.
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