ADRF6750 Analog Devices, Inc., ADRF6750 Datasheet - Page 11
ADRF6750
Manufacturer Part Number
ADRF6750
Description
950 Mhz To 1575 Mhz Quadrature Modulator With Integrated Fractional-n Pll And Vco
Manufacturer
Analog Devices, Inc.
Datasheet
1.ADRF6750.pdf
(40 pages)
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Figure 11. LO Carrier Feedthrough Distribution at Nominal and Worst-Case
Figure 13. Output P1dB Compression Point at Worst-Case LO Frequency
Figure 12. 2 × LO Carrier Feedthrough vs. Attenuation, LO Frequency,
–10
–15
–20
–25
10
–5
5
0
–100
–120
–110
0.1
–40
–50
–60
–70
–80
–90
60
50
40
30
20
10
0
–80
–75
DIFFERENTIAL INPUT VOLTAGE (V p-p)
NOMINAL
WORST-CASE
Conditions and Attenuation Setting
–70
LO CARRIER FEEDTHROUGH (dBc)
vs. Supply and Temperature
Supply, and Temperature
–65
LO FREQUENCY (MHz)
–60
1
–55
ATTENUATION = 0dB
ATTENUATION = 12dB
ATTENUATION = 21dB
ATTENUATION = 33dB
ATTENUATION = 47dB
–50
COMPRESSION
–45
POINT
1dB
–40
–35
10
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
–2.5
–30
Rev. 0 | Page 11 of 40
Figure 14. Output P1dB Compression Point Distribution at Nominal
10.0
10.5
Figure 15. Output P1dB Compression Point vs. LO Frequency at
Figure 16. Output IP3 Distribution at Nominal and Worst-Case
9.5
9.0
8.5
8.0
7.5
7.0
6.5
6.0
50
45
40
35
30
25
20
15
10
45
40
35
30
25
20
15
10
5
0
5
0
6.8
7.0
7.2
NOMINAL
WORST-CASE
NOMINAL
WORST-CASE
and Worst-Case Conditions
7.4
Nominal Conditions
7.6
LO FREQUENCY (MHz)
OUTPUT P1dB (dBm)
OUTPUT IP3 (dBm)
Conditions
7.8
8.0
8.2
8.4
8.6
ADRF6750
8.8
9.0
9.2
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