LTC5588-1

7

55881fb

LO Feedthrough to RF Output

Image Rejection vs RF Power

LO Feedthrough to RF Output

Image Rejection vs RF Power

Output IP3 vs LINOPT Voltage

Output IP3 vs LINOPT Voltage

LO Feedthrough to RF Output

Image Rejection vs LO Frequency

LO Feedthrough to RF Output

vs LO Frequency for EN = Low

and 5.5MHz for OIP3 and OIP2, or else baseband input frequency = 100kHz, I and Q 90° shifted, lower sideband selection, LINOPT pin

floating, unless otherwise noted. Test circuit is shown in Figure 8.

LO FREQUENCY (GHz)

0

–60

–50

–40

–30

–20

12

3

4

55881 G10

56

3.3V, 85°C

3.3V, 25°C

3.15V, 25°C

3.45V, 25°C

3.3V, –40°C

LO FREQUENCY (GHz)

0

–60

–50

–40

–30

–20

12

3

4

55881 G11

56

3.3V, 85°C

3.3V, 25°C

3.15V, 25°C

3.45V, 25°C

3.3V, –40°C

LO FREQUENCY (GHz)

0

–80

–70

–60

–50

–40

–20

1

23

4

55881 G12

56

–30

RF POWER (dBm)

–15

–45

–44

–43

–42

–41

–40

–10

–5

0

5

55881 G13

10

15

3.3V, 85°C

3.3V, 25°C

3.15V, 25°C

3.45V, 25°C

3.3V, –40°C

RF POWER (dBm)

–15

–55

–50

–45

–40

–10

–5

0

5

55881 G14

10

15

3.3V, 85°C

3.3V, 25°C

3.15V, 25°C

3.45V, 25°C

3.3V, –40°C

RF POWER (dBm)

–15

–48

–46

–44

–42

–40

–36

–10

–5

0

5

55881 G15

10

15

–38

3.3V, 85°C

3.3V, 25°C

3.15V, 25°C

3.45V, 25°C

3.3V, –40°C

RF POWER (dBm)

–15

–60

–58

–56

–54

–52

–48

–10

–5

0

5

55881 G16

10

15

–50

3.3V, 85°C

3.3V, 25°C

3.15V, 25°C

3.45V, 25°C

3.3V, –40°C

LINOPT VOLTAGE (V)

2.0

10

20

30

40

2.5

3.0

55881 G17

3.5

3.3V, 85°C

3.3V, 25°C

3.15V, 25°C

3.45V, 25°C

3.3V, –40°C

5 PARTS SHOWN

LINOPT VOLTAGE (V)

2.0

10

20

30

40

2.5

3.0

55881 G18

3.5

3.3V, 85°C

3.3V, 25°C

3.15V, 25°C

3.45V, 25°C

3.3V, –40°C

5 PARTS SHOWN