ADRF6750 Analog Devices, Inc., ADRF6750 Datasheet - Page 11

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

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
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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