ADRF6820ACPZ-R7 datasheet(10/45 Pages) AD

10 / 45 page

ADRF6820

Data Sheet

Rev. C | Page 10 of 45

–100

–90

–80

–70

–60

–50

–40

–30

–20

–10

640

1140

1640

2140

2640

LO FREQUENCY (MHz)

LO_DRV_LVL = 11

LO_DRV_LVL = 00

LO DRIVER DISABLED

TA = –40°C

TA = +25°C

TA = +85°C

EXTERNAL LO

INTERNAL LO

Figure 10. LO to RF Feedthrough vs. LO Frequency

–70

–60

–50

–40

–30

–20

–10

600

800 1000 1200 1400 1600 1800 2000 2200 2400 2600 2700

FREQUENCY (MHz)

EXTERNAL LO

INTERNAL LO

RF FEEDTHROUGH

LO FEEDTHROUGH

Figure 11. RF and LO Feedthrough to IF Output, RF Input = −5 dBm

600 800 1000 1200 1400 1600 1800 2000 2200 2400 2600 2700 2800

RF FREQUENCY (MHz)

RFIN0 TO RFIN1

RFIN1 TO RFIN0

Figure 12. Switch Isolation vs. RF Frequency

0.01

0.02

0.03

0.04

0.05

0.06

0.07

0.08

0.09

0.10

640

890

1140

1390

1640

1890

2140

2390

2640

LO FREQUENCY (MHz)

Figure 13. I/Q Amplitude Mismatch vs. LO Frequency

–92

–91

–90

–89

–88

–87

640

890

1140

1390

1640

1890

2140

2390

2640

LO FREQUENCY (MHz)

Figure 14. Quadrature Phase Mismatch vs. LO Frequency

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