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CHR3662-QDG_15 Datasheet, PDF (2/16 Pages) United Monolithic Semiconductors – 7-16GHz Integrated Down Converter
CHR3662-QDG
Electrical Characteristics
Tamb = +25°C, Vd= 4.5V
7-16GHz Down Converter
Symbol
FRF
FLO
FIF
Parameter
RF frequency range
LO frequency range
IF frequency range
Min Typ Max Unit
7
16 GHz
4.5
19.5 GHz
DC
3.5 GHz
Gc
Conversion gain @ V2_V3=-1.5V (1) (gain max) 11
14
dB
Conversion gain @ V2_V3=+0.5V (1) (gain min)
-4
-2 dB
G Gain control range
13
15
dB
NF Noise Figure @ V2_V3=-1.5V (gain max), for
IF>0.1GHz
3
3.5 dB
IFR Image Frequency Rejection (1)
13
15
dBc
PLO LO Input power
0
dBm
IIP3 Input IP3@ gain max.
Input IP3 all attenuation
0
dBm
-3
LO RL LO Return Loss
-7
-6 dB
RF Return Loss @ Gain max
RF RL
RF Return Loss @ Gain min
-9
-6
dB
-5
-4
LO/RF LO leakage at RF port @ max. gain
-35
dBm
Vd DC drain voltage
4.5
V
Id
Drain current
210 280 350 mA
VG DC gate voltage LNA
-0.3
V
V2_V3 DC gain control voltage
-1.5
0.5 V
B
DC gate control voltage LO buffer
-5
V
VGM DC gate voltage mixer
-1
V
(1) An external combiner 90° is necessary on I / Q.
Note: Id is not affected by V2, V3.
These values are representative of onboard measurements as defined on the drawing given in the
paragraph “Evaluation mother board".
Ref. : DSCHR3662-QDG1192 - 11 Jul 11
2/16
Specifications subject to change without notice
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