AD8342ACPZ-R2 datasheet(12/20 Pages) AD

12 / 20 page

AD8342

Rev. 0 | Page 12 of 20

–15

LO POWER (dBm)

–13

–11

–9

–7

–5

–3

–1

NF = 10MHz

NF = 48MHz

NF = 90MHz

NF = 140MHz

Figure 27. Noise Figure vs. LO Power, fRF = 238 MHz

5.0

1.8

RBIAS (kΩ)

4.5

4.0

3.5

3.0

2.5

2.0

1.5

1.0

0.5

2.0

2.2

2.4

2.6

2.8

3.0

3.2

3.4

Figure 28. Gain vs. RBIAS, RF Frequency = 238 MHz, LO Frequency = 286MHz

1.8

RBIAS (kΩ)

2.0

2.2

2.4

2.6

2.8

3.0

3.2

3.4

Figure 29. Input IP2 vs. RBIAS, fRF = 238 MHz (Second RF = RF – 50MHz),

fLO = 286 MHz

11.8

12.8

NOISE FIGURE (dB)

11.9

12.0

12.1

12.2

12.3

12.4

12.5

12.6

12.7

NORMAL

MEAN = 12.25

STD. DEV. = 0.14

NF PERCENTAGE

Figure 30. Noise Figure Distribution, fRF = 238 MHz, fLO = 286 MHz

1.8

3.0

RBIAS (kΩ)

2.0

2.2

2.4

2.6

2.8

105

100

INPUT IP3

NOISE FIGURE

CURRENT

Figure 31. Noise Figure, Input IP3 and Supply Current vs. RBIAS,

fRF1 = 238 MHz, fRF2 = 239 MHz, fLO = 286 MHz

1.8

RBIAS (kΩ)

2.0

2.2

2.4

2.6

2.8

3.0

3.2

3.4

Figure 32. Input P1dB vs. RBIAS, fRF = 238 MHz, fLO = 286 MHz

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