HMC558A

Data Sheet

Rev. 0 | Page 10 of 15

RETURN LOSS AND ISOLATION PERFORMANCE

0

10

20

30

40

50

60

70

80

4

5

6

7

8

9

10

11

12

13

14

15

16

LO FREQUENCY (GHz)

–40°C

+25°C

+85°C

LO TO RF

LO TO IF

Figure 27. LO to RF and LO to IF Isolation vs. LO Frequency at Various

Temperatures, IF = 100 MHz

0

5

10

15

20

25

30

35

40

4

5

6

7

8

9

10

11

12

13

14

15

16

RF FREQUENCY (GHz)

–40°C

+25°C

+85°C

Figure 28. RF to IF Isolation vs. RF Frequency at Various Temperatures,

IF = 100 MHz

0

10

20

30

40

50

60

70

80

4

5

6

7

8

9

10

11

12

13

14

15

16

LO FREQUENCY (GHz)

9dBm

12dBm

15dBm

18dBm

20dBm

LO TO RF

LO TO IF

Figure 29. LO to RF and LO to IF Isolation vs. LO Frequency at Various

LO Powers, IF = 100 MHz

0

5

10

15

20

25

30

35

40

4

5

6

7

8

9

10

11

12

13

14

15

16

RF FREQUENCY (GHz)

9dBm

12dBm

15dBm

18dBm

Figure 30. RF to IF Isolation vs. RF Frequency at Various LO Powers,

IF = 100 MHz