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CHR3861-QEG_15 Datasheet, PDF (2/18 Pages) United Monolithic Semiconductors – 6-9GHz Integrated Down Converter
CHR3861-QEG
6-9GHz Down Converter
Electrical Characteristics
Tamb = +25°C, VD = VD1 = 4V
Configuration 1: High linearity with GC4 fixed at 0V
Symbol Parameter
Min
FRF RF frequency range
5.9
FLO LO frequency range
3.0
FIF IF frequency range
DC
Gc
Conversion gain @ min. attenuation (1)
∆G
Gain control range with only Gc3
NF
Im_rej
Noise Figure @ min. attenuation, for
IF>0.1GHz
Image rejection (1)
PLO LO Input power
IIP3 Input IP3@ at Gc max.
VD, VD1 DC drain voltage
Id
Total drain current at Gc max.
VG LNA DC gate voltage
B
LO buffer & X2 DC voltage
GC3 Gain control DC voltage
-1.5
GC4 Gain control DC voltage
0
Typ
12
9
2.5
15
0
1
4
380
-0.3
-4
Max
9.0
12.5
3.5
0
0
Unit
GHz
GHz
GHz
dB
dB
dB
dBc
dBm
dBm
V
mA
V
V
V
V
(1) An external combiner 90° is required on I / Q.
These values are representative of on board measurements as defined on the drawing at
paragraph “Evaluation mother board”.
Note: Id not affected by GC3, GC4.
Ref. : DSCHR3861-QEG1192 - 11 Jul 11
2/18
Specifications subject to change without notice
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