ADL5331ACPZ-R7 datasheet(8/16 Pages) AD

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ADL5331

Rev. 0 | Page 8 of 16

0.5

0.6

0.7

0.8

0.9

1.0

1.1

1.2

1.3

1.4

VGAIN (V)

Figure 9. Output IP3 vs. VGAIN at 900 MHz

CH3 200mV Ω

CH2 500mV

M 2.0µs 25.0MS/s 40.0ns/pt

A CH1

150mV

t1: 2.24µs

t2: 1.2µs

Δt: –1.04µs

1/Δt: –961.5kHz

MEAN(C1) 1.358V

AMPL(C1) 3.36V

AMPL(C2) 900mV

Figure 10. Step Response of Gain Control Input

–5

–10

–15

–20

–25

–30

500

1000

FREQUENCY (MHz)

VGAIN = 1.4V

VGAIN = 1.2V

VGAIN = 1.0V

VGAIN = 0.8V

VGAIN = 0.6V

VGAIN = 0.4V

VGAIN = 0.2V

VGAIN = 0V

Figure 11. Gain vs. Frequency (Differential 50 Ω Output Load)

–5

–10

–15

–20

–25

500

1000

FREQUENCY (MHz)

VGAIN = 1.4V

VGAIN = 1.2V

VGAIN = 1.0V

VGAIN = 0.8V

VGAIN = 0.6V

VGAIN = 0.4V

VGAIN = 0.2V

VGAIN = 0V

Figure 12. Gain vs. Frequency (Differential 100 Ω Output Load)

–148

–150

–152

–154

–156

–158

–160

0.1

0.3

0.5

0.7

0.9

1.1

1.3

VGAIN (V)

100MHz

400MHz

900MHz

Figure 13. Output Noise Spectral Density vs. VGAIN

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