CHR3764-QEG
Electrical Characteristics
21-27GHz Down-Converter
Tamb = +25°C, VD = VDL = 4V
Symbol
Parameter
Min
Typ
Max
Unit
F
RF
RF frequency range
21
26.5
GHz
F
OL
LO frequency range
8.5
15
GHz
F
IF
IF frequency range
DC
3.5
GHz
G
C
Conversion Gain @ min. attenuation
9
13
dB
Gain control range
14
dB
G
Noise Figure @ min. att. from 21 to 24GHz,
3.1
3.6
dB
for IF>0.1GHz
NF
Noise Figure @ min. att. from 24 to 26.5GHz,
3.6
4.1
dB
for IF>0.1GHz
Im_rej
Image rejection
(1)
15
dBc
P
LO
LO Input power
0
5
dBm
Input IP3 @ min. attenuation
0
2
dBm
IIP3
-4
-2
dBm
Input IP3 @ all gain range (G)
2LO/RF 2LO leakage at RF port @ max. gain
30
dBc
RL
RF
RF Return loss
-10
dB
RL
OL
LO Return loss
-8
dB
VD, VDL DC drain voltage
4
V
Id
Drain current (ID + IDL)
320
mA
VGL
LNA DC gate voltage
(2)
-0.6
V
GC2,3
Gain control DC voltage
-2
-1.5
0
V
VGM
Mixer DC gate voltage
-0.7
V
These values are representative of onboard measurements as defined on the drawing in
paragraph "Evaluation mother board".
(1)
(2)
An external combiner 90° is required on IF ports, I / Q.
Typical VGL value for IDL = 75mA
See in paragraph “ biasing option” other possibility to optimise differently the performances
Note: Id is not affected by gain control (GC2, GC3).
Ref. : DSCHR3764-QEG1263 - 20 Sep 11
2/18
Specifications subject to change without notice
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UMS [ UNITED MONOLITHIC SEMICONDUCTORS ]
