ADRF6750ACPZ-R7 datasheet(16/40 Pages) AD

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ADRF6750

Rev. A | Page 16 of

–3.0

–2.5

–2.0

–1.5

–1.0

–0.5

0.5

LO FREQUENCY (MHz)

Figure 41. Attenuator Absolute Step Accuracy over all Attenuation Steps

vs. LO Frequency, Nominal Conditions

ATTENUATOR ABSOLUTE STEP ACCURACY (dB)

NOMINAL

WORST CASE

Figure 42. Attenuator Absolute Step Accuracy Distribution at Nominal

and Worst-Case Conditions

–2.5

–2.0

–1.5

–1.0

–0.5

0.5

1.0

1.5

LO FREQUENCY (MHz)

Figure 43. Attenuator Absolute Step Accuracy over all Attenuation Steps

vs. LO Frequency for External VCO Mode, Nominal Conditions

1.0

–0.8

–0.6

–0.4

–0.2

0.2

0.4

0.6

0.8

1.0

LO FREQUENCY (MHz)

Figure 44. Gain Flatness in any 40 MHz for all Attenuation Steps vs.

LO Frequency at Nominal Conditions

0.5

1.0

1.5

1dB TO 6dB ATTENUATOR STEP SIZES

INCREASING STEP SIZE

2.0

2.5

3.0

3.5

4.0

4.5

5.0

SETTLING TIME TO 0.2dB

SETTLING TIME TO 0.5dB

Figure 45. Attenuator Settling Time to 0.2 dB and 0.5 dB for Small Steps

(1 dB to 6 dB) at Nominal Conditions

SETTLING TIME TO 0.2dB

SETTLING TIME TO 0.5dB

7dB TO 47dB ATTENUATOR STEP SIZES

INCREASING STEP SIZE

Figure 46. Attenuator Settling Time to 0.2 dB and 0.5 dB for Large Steps

(7 dB to 47 dB) at Nominal Conditions

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