6-9GHz Down Converter
Configuration 2: High Gain & low Noise with GC3 = GC4
Symbol
FRF
FLO
FIF
Gc
∆G
NF
Im_rej
PLO
IIP3
VD, VD1
Id
VG
B
Parameter
RF frequency range
LO frequency range
IF frequency range
Conversion gain@ min. attenuation
(1)
Gain control range with Gc3=GC4
Noise Figure@ min. attenuation
Image rejection
(1)
LO Input power
Input IP3@ at Gc max.
DC drain voltage
Total drain current at Gc max.
LNA DC gate voltage
LO buffer & Mixer DC voltage
-1.5
Min
5.9
3.0
DC
CHR3861-QEG
Typ
Max
9.0
12.5
3.5
22
18
2
15
0
-6
4
380
-0.3
-4
0
Unit
GHz
GHz
GHz
dB
dB
dB
dBc
dBm
dBm
V
mA
V
V
V
GC3, GC4 Gain control DC voltage
(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.
Note: Electrostatic discharge sensitive device observe handling precautions!
RefDSCHR3861-QEG1192 - 11 Jul 11
3/18
Specifications subject to change without notice
Route Départementale 128, B.P.46 - 91401 ORSAY Cedex - FRANCE
Tel.: +33 (0)1 69 33 03 08 - Fax : +33 (0)1 69 33 03 09
UMS [ UNITED MONOLITHIC SEMICONDUCTORS ]
