ADRF6750 Analog Devices, Inc., ADRF6750 Datasheet - Page 16

• Manufacturer Part Number: ADRF6750
• Description: 950 Mhz To 1575 Mhz Quadrature Modulator With Integrated Fractional-n Pll And Vco
• Manufacturer: Analog Devices, Inc.

ADRF6750
Figure 41. Attenuator Absolute Step Accuracy over all Attenuation Steps
Figure 43. Attenuator Absolute Step Accuracy over all Attenuation Steps
Figure 42. Attenuator Absolute Step Accuracy Distribution at Nominal
–0.5
–1.0
–1.5
–2.0
–2.5
–3.0
–0.5
–1.0
–1.5
–2.0
–2.5
0.5
vs. LO Frequency for External VCO Mode, Nominal Conditions
1.5
1.0
0.5
70
60
50
40
30
20
10
0
0
0
ATTENUATOR ABSOLUTE STEP ACCURACY (dB)
vs. LO Frequency, Nominal Conditions
and Worst-Case Conditions
LO FREQUENCY (MHz)
LO FREQUENCY (MHz)
NOMINAL
WORST CASE
Rev. 0 | Page 16 of 40
Figure 45. Attenuator Settling Time to 0.2 dB and 0.5 dB for Small Steps
Figure 46. Attenuator Settling Time to 0.2 dB and 0.5 dB for Large Steps
Figure 44. Gain Flatness in any 40 MHz for all Attenuation Steps vs.
–0.2
–0.4
–0.6
–0.8
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
1.0
1.0
0.8
0.6
0.4
0.2
20
18
16
14
12
10
8
6
4
2
0
0
0
(7 dB to 47 dB) at Nominal Conditions
LO Frequency at Nominal Conditions
(1 dB to 6 dB) at Nominal Conditions
7dB TO 47dB ATTENUATOR STEP SIZES
1dB TO 6dB ATTENUATOR STEP SIZES
INCREASING STEP SIZE
INCREASING STEP SIZE
LO FREQUENCY (MHz)
SETTLING TIME TO 0.2dB
SETTLING TIME TO 0.5dB
SETTLING TIME TO 0.2dB
SETTLING TIME TO 0.5dB