Data Sheet HMC554ALC3B
Rev. 0 | Page 19 of 26
ISOLATION AND RETURN LOSS
70
60
0
10
20
30
40
50
10 11
12 13
14 15
16
17 18
19 20
RF FREQUENCY
T
A
= +85°C
T
A
= +25°C
T
A
= –40°C
LO TO RF ISOLATION (dB)
13895-067
Figure 67. LO to RF Isolation vs. RF Frequency at Various Temperatures,
LO = 13 dBm
10 11 12 13 14 15 16 17 18 19 20
RF FREQUENCY (GHz)
T
A
= +85°C
T
A
= +25°C
T
A
= –40°C
60
0
10
20
40
30
50
LO TO IF ISOLATION (dB)
13895-068
Figure 68. LO to IF Isolation vs. RF Frequency at Various Temperatures,
LO = 13 dBm
10 11 12 13 14 15 16 17 18 19 20
RF FREQUENCY (GHz)
T
A
= +85°C
T
A
= +25°C
T
A
= –40°C
70
60
0
10
20
40
30
50
RF TO IF ISOLATION (dB)
13895-069
Figure 69. RF to IF Isolation vs. RF Frequency at Various Temperatures,
LO = 13 dBm
70
60
0
10
20
30
40
50
10 11 12 13 14 15 16 17 18 19 20
RF FREQUENCY
LO TO RF ISOLATION (dB)
LO = 15dBm
LO = 13dBm
LO = 11dBm
LO = 9dBm
13895-070
Figure 70. LO to RF Isolation vs. RF Frequency at Various LO Power levels,
T
A
= 25°C
10 11 12 13 14 15 16 17 18 19 20
RF FREQUENCY (GHz)
70
60
0
10
20
40
30
50
LO TO IF OSILATION (dB)
LO = 15dBm
LO = 13dBm
LO = 11dBm
LO = 9dBm
13895-071
Figure 71. LO to IF Isolation vs. RF Frequency at Various LO Power Levels,
T
A
= 25°C
70
60
0
10
20
30
40
50
10 11 12 13 14 15 16 17 18 19 20
RF FREQUENCY
RF TO IF ISOLATION (dB)
LO = 15dBm
LO = 13dBm
LO = 11dBm
LO = 9dBm
13895-072
Figure 72. RF to IF Isolation vs. RF Frequency at Various LO Power Levels,
T
A
= 25°C
