ADRF6620ACPZ-R7 datasheet(16/52 Pages) AD

16 / 52 page

ADRF6620

Data Sheet

Rev. 0 | Page 16 of 52

200

210

220

230

240

250

260

270

280

290

300

350

850

1350

1850

2350

2850

LO FREQUENCY (MHz)

LO_DRV_LVL = 00

LO_DRV_LVL = 01

LO_DRV_LVL = 10

LO_DRV_LVL = 11

TA = –40°C

TA = +25°C

TA = +85°C

Figure 32. Supply Current vs. LO Frequency; LO_DRV_LVL = 00, 01, 10, and 11

RF FREQUENCY (MHz)

–80

–70

–60

–50

–40

–30

–20

–10

600

1000

1400

1800

2200

2600

3000

Figure 33. RF to LO Output Feedthrough, LO_DRV_LVL = 00

2818.2

2823.2

2828.2

2833.2

2838.2

2843.2

2848.2

2853.2

2858.2

2863.2

2868.2

100

125

150

175

200

225

250

TIME (µs)

Figure 34. LO Frequency Settling Time, Loop Filter Bandwidth = 120 kHz

–10

–8

–6

–4

–2

350

850

1350

1850

2350

2850

LO FREQUENCY (MHz)

TA = –40°C

TA = +25°C

TA = +85°C

LO_DRV_LVL = 00

LO_DRV_LVL = 01

LO_DRV_LVL = 11

LO_DRV_LVL = 10

Figure 35. LO Amplitude vs. LO Frequency; LO_DRV_LVL = 00, 01, 10, and 11

LO FREQUENCY (MHz)

–100

–98

–96

–94

–92

–90

–88

–86

–84

–82

–80

–78

–76

–74

–72

–70

1384

1584

1784

1984

2184

2384

2584

2784

LO OUTPUT

DGA OUTPUT

Figure 36. fPFD Spurs, LO_DIV_A = 01, 1× PFD Offset;

Measured on LO Output and DGA Output

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