CHA4220-QGG_15 Datasheet, PDF (2/16 Pages) United Monolithic Semiconductors – 0.5-20GHz Driver

CHA4220-QGG
0.5-20GHz Driver
Electrical Characteristics
Tamb.= +25°C,Vg1 to be set in order to have Idq=120mA, Vg2=1.5V
Symbol
Parameter
Min Typ Max Unit
Freq Frequency range
0.5
20 GHz
Gain Linear Gain
17
dB
NF Noise Figure
3
dB
IRL Input Return Loss
15
dB
ORL Output Return Loss
18
dB
P1dB Output power for 1dB Gain Compression
20
dBm
Psat Saturated output power
23
dBm
OIP3 Output Third Order Intercept
28
dBm
Idq Quiescent current on Vd
120
mA
Vd Supply voltage on Vd
6
6.5
7
V
Id
Drain current @3dB gain compression
140
mA
The values are representative of typical “test fixture” measurements as defined on the
drawing in paragraph “Proposed Evaluation Board”.
Typical Bias Conditions
Tamb.= +25°C
Symbol
Pin
Parameter
Values Unit
Vg1
12
Gate control1 for the amplifier
-0.3
V
Vg2
1
Gate control2 for the amplifier
1.5
V
Vd
19
Drain Voltage (see application circuit p10)
6.5
V
The associated drain current with no RF input power is Idq=120mA
This typical bias is recommended in order to get the best compromise between output
power, linearity and Noise Figure performance vs. Temperature.
Ref. : DSCHA4220-QGG-5070 - 11 Mar 15
2/16
Specifications subject to change without notice
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