HMC558A Data Sheet
Rev. 0 | Page 6 of 15
TYPICAL PERFORMANCE CHARACTERISTICS
DOWNCONVERTER PERFORMANCE
Data taken as downconverter, upper sideband (low-side LO), T
A
= 25°C, LO drive level = 15 dBm unless otherwise specified.
–20
–18
–16
–14
–12
–10
–8
–6
–4
–2
0
4 5 6 7 8 9
10 1
1
12
13 14
15 16
CONVERSION GAIN (dB)
RF FREQUENCY
(GHz)
–40
°C
+2
5°C
+8
5
°C
15000-107
Figure 7. Conversion Gain vs. RF Frequency at Various Temperatures,
IF = 100 MHz
0
2.5
5.0
7.5
10.0
12.5
15.0
17.5
20.0
22.5
25.0
27.5
30.0
4 5 6 7 8 9
10 11 12 13 14 15 16
IP3 (dBm)
RF FREQUENCY (GHz)
–40
°C
+25°C
+8
5°C
15000-108
Figure 8. Input IP3 vs. RF Frequency at Various Temperatures,
IF = 100 MHz
–20
–18
–16
–14
–12
–10
–8
–6
–4
–2
0
6
7
8
9
10
11
12
13
14
15
16
CONVERSION GAIN (dB)
RF FREQUENCY (GHz)
–40°C
+25°C
+85°C
15000-109
Figure 9. Conversion Gain vs. RF Frequency at Various Temperatures,
IF = 2 GHz
–20
–18
–16
–14
–12
–10
–8
–6
–4
–2
0
4 5 6
7
8
9
10
11
12
13
14
15
16
CONVERSION GAIN (dB)
RF FREQUENC
Y (GHz)
9dBm
12dBm
15dBm
18dBm
20dBm
15000-110
Figure 10. Conversion Gain vs. RF Frequency at Various LO Powers,
IF = 100 MHz
–5.0
–2.5
0
2.5
5.0
7.5
10.0
12.5
15.0
17.5
20.0
22.5
25.0
27.5
30.0
32.5
4
5 6 7 8
9 10
1
1 12 13
14 15
16
IP3 (dBm)
RF FREQUENC
Y (GHz)
9dBm
12dBm
15dBm
18dBm
20dBm
15000-11
1
Figure 11. Input IP3 vs. RF Frequency at Various LO Powers,
IF = 100 MHz
–20
–18
–16
–14
–12
–10
–8
–6
–4
–2
0
6 7 8 9 10 11 12 13 14 15 16
CONVERSION GAIN (dB)
RF FREQUENCY (GHz)
9dBm
12dBm
15dBm
18dBm
20dBm
15000-112
Figure 12. Conversion Gain vs. RF Frequency at Various LO Powers,
IF = 2 GHz
