HMC787A Data Sheet
Rev. A | Page 6 of 17
TYPICAL PERFORMANCE CHARACTERISTICS
DOWNCONVERTER PERFORMANCE
Data taken as downconverter, lower sideband (high-side LO), T
A
= 25°C, and LO drive level = 17 dBm, unless otherwise noted.
Measurements taken with LO amplifier in line with lab bench LO source.
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CONVERSION GAIN (dB)
RF FREQUENCY (GHz)
0
–2
–10
–18
–6
–14
–4
–12
–8
–16
–20
+85°C
+25°C
–40°C
13608-007
Figure 7. Conversion Gain vs. RF Frequency for Various Temperatures,
IF = 100 MHz, LO Power = 17 dBm
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INPUT IP3 (dBm)
RF FREQUENCY (GHz)
50
45
25
5
35
15
40
20
30
10
0
+85°C
+25°C
–40°C
13608-008
Figure 8. Input Third-Order Intercept (IP3) vs. RF Frequency for Various
Temperatures, IF = 100 MHz, LO Power = 17 dBm
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INPUT IP2 (dBm)
RF FREQUENCY (GHz)
100
80
40
60
20
0
90
10
50
70
30
+85°C
+25°C
–40°C
13608-009
Figure 9. Input Second-Order Intercept (IP2) vs. RF Frequency for Various
Temperatures, IF = 100 MHz, LO Power = 17 dBm
3 1110987654
CONVERSION GAIN (dB)
RF FREQUENCY (GHz)
13dBm
15dBm
17dBm
19dBm
21dBm
0
–2
–10
–18
–6
–14
–4
–12
–8
–16
–20
13608-010
Figure 10. Conversion Gain vs. RF Frequency for Various LO Powers,
IF = 100 MHz, Temperature = 25°C
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INPUT IP3 (dBm)
RF FREQUENCY (GHz)
50
45
25
5
35
15
40
20
30
10
0
13dBm
15dBm
17dBm
19dBm
21dBm
13608-011
Figure 11. Input Third-Order Intercept (IP3) vs. RF Frequency for Various LO
Powers, IF = 100 MHz, Temperature = 25°C)
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INPUT IP2 (dBm)
RF FREQUENCY (GHz)
100
80
40
60
20
0
90
10
50
70
30
13dBm
15dBm
17dBm
19dBm
21dBm
13608-012
Figure 12. Input Second-Order Intercept (IP2) vs. RF Frequency for Various LO
Powers, IF = 100 MHz, Temperature = 25°C
