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PDF CHA4253AQQG Data sheet ( Hoja de datos )

Número de pieza CHA4253AQQG
Descripción 17- 24GHz Medium Power Amplifier
Fabricantes United Monolithic Semiconductors 
Logotipo United Monolithic Semiconductors Logotipo



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CHA4253aQQG
17- 24GHz Medium Power Amplifier
GaAs Monolithic Microwave IC
Description
The CHA4253aQQG is a four stage
monolithic medium power amplifier.
It is designed for a wide range of
applications, from military to commercial
communication systems.
The circuit is manufactured with a pHEMT
process, 0.15µm gate length.
It is supplied in RoHS compliant SMD
package.
UMS
A4253A
YYWW 
Main Features
Broadband performances: 17- 24GHz
24dBm Pout for 1dB gain compression
23dB gain
33dBm OTOI
DC bias: Vd= 4.0V, Id= 230mA
16L-QFN4x4 (QQG)
MSL1
Output power & PAE versus Frequency
Main Electrical Characteristics
Tamb.= +25°C
Symbol
Parameter
Freq Frequency range
Gain Linear Gain
P-1dB Output Power @1dB comp.
OTOI 3rd order Intercept point
Min Typ Max Unit
17.0
24.0 GHz
23 dB
24 dBm
33 dBm
Ref. : DSCHA4253aQQG4346 - 12 Dec 14 1/14 Specifications subject to change without notice
United Monolithic Semiconductors S.A.S.
Bât. Charmille - Parc SILIC - 10, Avenue du Québec - 91140 VILLEBON-SUR-YVETTE - France
Tel.: +33 (0) 1 69 86 32 00 - Fax: +33 (0) 1 69 86 34 34

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CHA4253AQQG pdf
17- 24GHz Medium Power Amplifier
CHA4253aQQG
Typical Board Measurements
Tamb.= +25°C, Vd = +4.0V, Id = 230mA
These values are representative of onboard measurements as defined on the drawing in
paragraph "Evaluation mother board".
34
32
30
28
26
24
22
20
18
16
14
12
10
16
Linear Gain versus Frequency in Temperature
85°C
25°C
-40°C
18 20 22 24
Frequency (GHz)
26
Return losses versus Frequency
0
-5
S22 S11
-10
-15
-20
-25
5
10 15 20 25 30 35 40
Frequency (GHz)
Ref. : DSCHA4253aQQG4346 - 12 Dec 14
5/14 Specifications subject to change without notice
Bât. Charmille - Parc SILIC - 10, Avenue du Québec - 91140 VILLEBON-SUR-YVETTE - France
Tel.: +33 (0) 1 69 86 32 00 - Fax: +33 (0) 1 69 86 34 34

5 Page





CHA4253AQQG arduino
17- 24GHz Medium Power Amplifier
CHA4253aQQG
Evaluation mother board
Compatible with the proposed footprint.
Based on typically Ro4350 / 10mils or equivalent.
Using a micro-strip to coplanar transition to access the package.
Recommended for the implementation of this product on a module board.
Decoupling capacitors of 100pF ±5% and 10nF ±10% are recommended for all DC
accesses.
See application note AN0017 for details.
35
Ref. : DSCHA4253aQQG4346 - 12 Dec 14
11/14
Specifications subject to change without notice
Bât. Charmille - Parc SILIC - 10, Avenue du Québec - 91140 VILLEBON-SUR-YVETTE - France
Tel.: +33 (0) 1 69 86 32 00 - Fax: +33 (0) 1 69 86 34 34

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