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CHR3894-QEG_15 Datasheet, PDF (5/14 Pages) United Monolithic Semiconductors – 37-40GHz Integrated Down Converter
37-40GHz Integrated Down Converter
CHR3894-QEG
Typical Board Measurements
Tamb.= +25°C, VD = VD1 =+4V, VGL = -0.1V, VGX = -0.9V, P_LO = 0dBm (IDt = 250mA)
These values are representative of onboard measurements as defined on the drawing in
paragraph "Evaluation mother board". Data given in the package access planes.
Conversion Gain versus RF & IF frequency (USB & LSB modes)
without attenuation: GC= -2V
20
18
16
14
12
10
8
6
4
LSB- 2GHz
USB- 2GHz
2
LSB- 3.5GHz
USB- 3.5GHz
0
35
36
37
38
39
40
41
RF Frequency (GHz)
Conversion Gain versus RF frequency and gain control voltage
(IF 2GHz, USB mode)
20
18
16
14
12
10
8
6
4
2
-2V
-0.4V
-0.2V
0V
+0.6V
0
35
36
37
38
39
40
41
RF Frequency (GHz)
Ref. : DSCHR3894-QEG2201 -19 jul 12
5/14
Specifications subject to change without notice
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