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CHA3801-99F Schematic ( PDF Datasheet ) - United Monolithic Semiconductors

Teilenummer CHA3801-99F
Beschreibung L-Band Low Noise Amplifier
Hersteller United Monolithic Semiconductors
Logo United Monolithic Semiconductors Logo 




Gesamt 10 Seiten
CHA3801-99F Datasheet, Funktion
CHA3801-99F
RoHS COMPLIANT
L-Band Low Noise Amplifier
GaAs Monolithic Microwave IC
Description
The CHA3801-99F is an L-Band LNA
monolithic circuit including an active bias
network. Furthermore a protection network is
included in order to allow high input power
survivability.
The circuit is dedicated to space applications,
and also well suited for a range of microwave
applications and systems.
The circuit is manufactured with a pHEMT
process, 0.25µm gate length, via holes
through the substrate, air bridges and
electron beam gate lithography.
It is available in chip form.
Main Features
L-Band performances: 1-2GHz
1.45dB Noise Figure
28dB Linear Gain
17dBm Saturated Power
27dBm Output Third Order Intercept
DC bias: Vd = 5Volt @ 70mA
Chip size 1.6x1.4x0.1mm
Typical Noise Figure
Main Characteristics
Tamb.= +25°C
Symbol
Parameter
Freq Frequency range
Gain Linear Gain
NF Noise Figure
Pout Output Power @1dB comp.
Min Typ Max Unit
1 2 GHz
28 dB
1.45 dB
15 dBm
Ref. : DSCHA38012328 - 23 Nov 12
1/10 Specifications subject to change without notice
United Monolithic Semiconductors S.A.S.
Route Départementale 128 - BP46 - 91401 Orsay Cedex France
Tel.: +33 (0) 1 69 33 03 08 - Fax: +33 (0) 1 69 33 03 09






CHA3801-99F Datasheet, Funktion
CHA3801-99F
L-Band Low Noise Amplifier
Typical on wafer Measurements
Tamb.= +25°C, Vd = +5V, working mode 1a with input protection disabled
Noise Figure versus Frequency
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
0.6 1.1 1.6 2.1 2.6
Frequency (GHz)
3.1
Noise Figure and Gain vs Bias configuration
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
Low current
0.5 Nominal current
High current
0.0
0.6 1.1 1.6 2.1 2.6 3.1
Frequency (GHz)
30
29
28
27
26
25
24
23 Low current
Nominal current
22 High current
21
20
0.60
1.10
1.60 2.10
Frequency (GHz)
2.60
Output Power (F= 1 to 1.75GHz)
20
18
16
14
12
10
8
6 F=1GHz
F=1.2GHz
4 F=1.4GHz
F=1.6GHz
2 F=1.75GHz
0
-25 -23 -21 -19 -17 -15 -13 -11
Pin (dBm)
18
17.5
17
16.5
16
15.5
15
14.5
14
1
P1dB
P Sat.
1.1 1.2 1.3 1.4 1.5 1.6 1.7
Frequency (GHz)
Ref. : DSCHA38012328 - 23 Nov 12
6/10
Route Départementale 128, BP46 - 91401 ORSAY Cedex - FRANCE
Tel.: +33 (0) 1 69 33 03 08 - Fax: +33 (0) 1 69 33 03 09
Specifications subject to change without notice

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