ADRF6850 datasheet(14/36 Pages) AD

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ADRF6850

Rev. 0 | Page 14 of 36

MINIMUM CHANNEL GAIN (dB)

NOMINAL

WORST-CASE

Figure 29. Minimum Channel Gain Distribution at Nominal and

Worst-Case Conditions

3.30V, 25°C

3.15V, –40°C

3.45V, –40°C

3.15V, 85°C

3.45V, 85°C

60.0

60.5

61.0

61.5

62.0

62.5

63.0

100

200

300

400

500

600

700

800

900

1000

RF INPUT FREQUENCY (MHz)

Figure 30. Maximum Channel Gain vs. RF Input Frequency,

Supply, and Temperature

MAXIMUM CHANNEL GAIN (dB)

NOMINAL

WORST-CASE

Figure 31. Maximum Channel Gain Distribution at Nominal and

Worst-Case Conditions

–3

–2

–1

VGAIN (V)

RF = 100MHz

RF = 300MHz

RF = 550MHz

RF = 800MHz

RF = 1000MHz

0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5

Figure 32. Channel Gain Conformance Error vs. VGAIN and RF Input Frequency,

Nominal Conditions

–35

–30

–25

–20

–15

–10

–5

100

200

300

400

500

600

700

800

900

1000

RF INPUT FREQUENCY (MHz)

VGAIN = 0V

VGAIN = 0.5V

VGAIN = 1.0V

VGAIN = 1.5V

Figure 33. Input Return Loss vs. RF Input Frequency and Channel Gain,

Nominal Conditions

–100

–90

–80

–70

–60

–50

–40

–30

–20

–10

100

200

300

400

500

600

700

800

900

1000

LO FREQUENCY (MHz)

INTEGER BOUNDARY SPUR AT 9.6kHz OFFSET

INTEGER BOUNDARY SPUR AT 19.2kHz OFFSET

INTEGER BOUNDARY SPUR AT 38.4kHz OFFSET

Figure 34. Integer Boundary Spurs vs. LO Frequency, Channel Gain,

Supply, and Temperature

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