ADRF6655

Rev. 0 | Page 9 of 44

TYPICAL PERFORMANCE CHARACTERISTICS

DOWNCONVERSION

Measured using typical downconversion circuit schematic with high-side LO and 140 MHz IF output, unless otherwise noted.

–5

–4

–3

–2

–1

0

1

2

3

4

5

INPUT FREQUENCY (MHz)

+25°C

–40°C

+85°C

900

1100

1300150017001900

21002300

LOW-SIDE LO

HIGH-SIDE LO

Figure 4. Conversion Gain vs. Input Frequency

10

12

14

16

18

20

RF FREQUENCY (MHz)

+25°C

–40°C

+85°C

IP3SET = 3.2V

IP3SET = OPEN

900

1100

1300

1500

1700

1900

2100

Figure 5. SSB Noise Figure vs. RF Frequency

10

12

14

16

18

20

22

24

26

28

30

–50

–45

–40

–35

–30

–25

–20

–15

–10

–5

0

CW BLOCKER LEVEL (dBm)

IP3SET = 3.2V

IP3SET = OPEN

Figure 6. SSB Noise Figure vs. CW Blocker Level

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

INPUT FREQUENCY (MHz)

+25°C

–40°C

+85°C

IP3SET = 3.2V

IP3SET = OPEN

900

1100

1300

1500

1700

1900

2100

Figure 7. Input IP3 vs. Input Frequency

20

25

30

35

40

45

50

55

60

65

70

75

80

85

90

95

100

INPUT FREQUENCY (MHz)

900

1100

1300

1500

1700

1900

2100

2300

2500

+25°C

–40°C

+85°C

LOW-SIDE LO

HIGH-SIDE LO

Figure 8. Input IP2 vs. Input Frequency

0

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

INPUT FREQUENCY (MHz)

IP3SET = 3.2V

IP3SET = OPEN

+25°C

–40°C

+85°C

900

1100

1300

1500

1700

1900

2100

Figure 9. Input P1dB vs. Input Frequency