Data Sheet

W3011

September 1999

1 GHz Quadrature Modulator

Lucent Technologies Inc.

9

Characteristic Curves

°C ± 3 °C; LOH = 755 MHz @ –12.5 dBm, LOL = 185

MHz @ –12.5 dBm; I/Q= 0.8 Vp-p

π/4 – DQPSK; α = 0.5 (random data); I/Q Vcm = 1.22 Vdc; LC filter = 10

nH//2.2 pF; RFOUT = 940 MHz.

APC VOLTAGE (V)

–70

–60

–50

–40

–30

–20

–10

0

10

0.5

1.0

1.5

2.0

2.5

3.0

Figure 7. Output Power vs. APC and Supply

Voltage

–80

–70

–60

–50

–40

–30

–20

–10

0

10

0.5

1.0

1.5

2.0

2.5

3.0

APC VOLTAGE (V)

25 °C

–20 °C

85 °C

Figure 8. Output Power vs. APC Voltage and

Temperature

30

35

40

45

50

55

60

–70

–60 –50 –40

–30

–20

–10

0

10

RF OUTPUT (dBm)

Figure 9. Supply Current vs. Output Power

0

5

10

15

20

25

30

35

40

45

50

–60

–50

–40

–30

–20

–10

0

10

OUTPUT POWER (dBm)

LO = –15 dBm

LO = –10 dBm

LO = –5 dBm

Figure 10. Carrier Suppression vs. Output

Power and LO Level