GaAs MMIC
FULL CHAIN – LNA/Downconverter Characteristics (continued)
CMH192
Test conditions:
T
a = 25°C;
V
DD= 2.7V,
P
LO = -7 dBm,
PRF=-22 dBm, f
RF = 1960 MHz,
f
LO
= f
RF
- f
IF
, f
IF = 210MHz, LOS=GND, HIGH=Vdd
min
typ
max
Mode – High Gain, Reduced Current
Total operating Current
Conversion Gain
Noise Figure
Input IP3
LNA Input IP3
Mode – Low Gain (LNA bypass)
Total operating Current
Conversion Gain
Noise Figure
(1)
(1)
Unit
mA
dB
dB
dBm
dBm
17
23.5
1.8
-5.5
7.5
min
Typ
12
7.2
11.5
max
Unit
mA
dB
dB
dBm
Input IP3
11.5
1) Assumes 3.0 dB loss for image filter, value is calculated based on gain measurement
of LNA and downconverter
Truth Table
Control Voltage
Operating Mode
High Gain & Linearity
High Gain, Low Current
Low Gain
Gain Ctl
H
H
L
Rcv Only
H
L
L
CMH192 – Datasheet (October 1
st
, 2002)
p
g.
4/11
TRIQUINT [ TRIQUINT SEMICONDUCTOR ]
