CHR3894-98F
37-40GHz Integrated Down Converter
Typical Measured Performances versus Temperature
Tamb = +25°C, Tcold = -40°C, Thot = +85°C
VD = VD1 =+4V, VGL = -0.15V, VGX= -0.9V, P_LO = 0dBm
Conversion Gain versus temperature
IF 2GHz, USB mode
without attenuation: GC= -2V
20
18
16
10
9
8
Noise figure versus temperature
IF 2GHz, USB mode
without attenuation: GC= -2V
Conversion gain (dB)
Noise Figure (dB)
-40°C
25°C
85°C
14
12
10
8
7
6
5
4
6
4
3
2
1
0
-40°C
25°C
85°C
2
0
35
36
37
38
39
40
RF Frequency (GHz)
41
42
43
44
35
36
37
38
39
40
RF Frequency (GHz)
41
42
43
Input IP3 vs temperature
at 38.5GHz (IF 3.5GHz)
without attenuation: GC= -2V
10
8
6
4
70
60
IMD3 vs temperature
at 38.5GHz (IF 3.5GHz)
without attenuation: GC= -2V
50
IIP3 (dBm)
IMD3 (dBc)
40
30
20
10
2
0
-2
-4
-6
-40°C
25°C
85°C
0
-40°C
25°C
85°C
-24
-22
-20
-18
-16
-14
Input Power DCL (dBm)
-12
-10
-8
-24
-22
-20
-18
-16
-14
Input Power DCL (dBm)
-12
-10
-8
Ref. : DSCHR38941192 - 11 Jul 11
8/12
Specifications subject to change without notice
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UMS [ UNITED MONOLITHIC SEMICONDUCTORS ]
