ADL5375 Просмотр технического описания (PDF) - Analog Devices

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ADL5375

400 MHz to 6 GHz Broadband Quadrature Modulator

Analog Devices 

ADL5375

–20

2

SSB OUTPUT

POWER (dBm)

–30

1

–40

0

CARRIER

FEEDTHROUGH (dBm)

–50

–1

–60

SIDEBAND

–2

SUPPRESSION (dBc)

THIRD-ORDER

DISTORTION (dBc)

–70

–3

SECOND-ORDER

DISTORTION (dBc)

–80

–4

–6

–4

–2

0

2

4

6

LO AMPLITUDE (dBm)

Figure 21. Second- and Third-Order Distortion, Carrier Feedthrough,

Sideband Suppression, and SSB POUT vs. LO Amplitude (fLO = 2150 MHz)

–10

1

–20

CARRIER

0

FEEDTHROUGH (dBm)

SSB OUTPUT

POWER (dBm)

–30

–1

SIDEBAND

–40

SUPPRESSION (dBc)

–2

–50

–3

–60

–70

–6

THIRD-ORDER

DISTORTION (dBc)

–4

–2

0

–4

SECOND-ORDER

DISTORTION (dBc)

–5

2

4

6

LO AMPLITUDE (dBm)

Figure 22. Second- and Third-Order Distortion, Carrier Feedthrough,

Sideband Suppression, and SSB POUT vs. LO Amplitude (fLO = 3500 MHz)

210

205

VS = 5.25V

200

195

VS = 5.0V

190

185

180

VS = 4.75V

175

170

165

–40

25

85

TEMPERATURE (°C)

Figure 23. Power Supply Current vs. Temperature

Data Sheet

18

16

14

12

10

8

6

4

2

0

–160.5 –160.3 –160.1 –159.9 –159.7 –159.5 –159.3 –159.1

NOISE (dBm/Hz)

Figure 24. 20 MHz Offset Noise Floor Distribution at fLO = 900 MHz

(I/Q Amplitude = 0 mV p-p with 500 mV DC Bias)

8

7

6

5

4

3

2

1

0

–160.5

–160.1

–159.7

–159.3

–158.9

–158.5

NOISE (dBm/Hz)

Figure 25. 20 MHz Offset Noise Floor Distribution at fLO = 2140 MHz

(I/Q Amplitude = 0 mV p-p with 500 mV DC Bias)

10

9

8

7

6

5

4

3

2

1

0

–158.9 –158.5 –158.1 –157.7 –157.3 –156.9 –156.5

NOISE (dBm/Hz)

Figure 26. 20 MHz Offset Noise Floor Distribution at fLO = 3500 MHz

(I/Q Amplitude = 0 mV p-p with 500 mV DC Bias)

Rev. C | Page 12 of 36

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