17–24GHz Down Converter
Temperature Measurements
CHR3663-QEG
T = [-40, +25, 85] °C, VD = VDL = 4.5V, VGL = -0.4V, VGM = -0.7V, P_LO = 0dBm
16
14
12
10
8
Conversion Gain (dB)
6
4
2
0
-2
-4
-6
-8
-10
-12
-14
-16
17
18
19
20
21
22
23
24
25
26
RF Frequency (GHz)
Gcmax_SUP@-40°C
Gcmax_SUP@25°C
Gcmax_SUP@85°C
Gcmin_SUP@-40°C
Gcmin_SUP@25°C
Gcmin_SUP@85°C
Figure 9: Conversion Gain in Supradyne Mode versus Temperature & Frequency
F_RF = 2xF_LO+F_IF, F_IF = 2.0GHz, GC2 = GC3 = -1.5 & 0.5V
16
14
12
10
8
Conversion Gain (dB)
6
4
2
0
-2
-4
-6
-8
-10
-12
-14
-16
17
18
Gcmax_INF@-40°C
Gcmax_INF@25°C
Gcmax_INF@85°C
19
20
21
22
23
Gcmin_INF@-40°C
Gcmin_INF@25°C
Gcmin_INF@85°C
24
25
26
RF Frequency (GHz)
Figure 10: Conversion Gain in Infradyne Mode versus Temperature & Frequency
F_RF = 2xF_LO-F_IF, F_IF = 2.0GHz, GC2 = GC3 = -1.5 & 0.5V
Ref. : DSCHR3663-QEG1192 - 11 Jul 11
9/18
Specifications subject to change without notice
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UMS [ UNITED MONOLITHIC SEMICONDUCTORS ]
