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PDF CHA3024-99F Data sheet ( Hoja de datos )
| Número de pieza | CHA3024-99F | |
| Descripción | 2-22GHz LNA | |
| Fabricantes | United Monolithic Semiconductors | |
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CHA3024-99F
2-22GHz LNA with AGC
GaAs Monolithic Microwave IC
Description
The CHA3024-99F is a distributed Low Noise
Amplifier with Adjustable Gain Control (AGC)
which operates between 2 and 22GHz.
It is designed for a wide range of
applications, such as electronic warfare, X
and Ku Point to Point Radio, and test
instrumentation.
The circuit is manufactured using a 0.15µm
gate length pHEMT process, with via holes
through the substrate, air bridges and optical
gate lithography.
The part is supplied as bare die and input
and output RF accesses are matched to 50
ohms.
Vd
Vg2
IN
OUT
Vg1
Main Features
■ Broadband performances: 2-22GHz
■ Typical Linear Gain: 15dB
■ Up to 30 dB adjustable gain with Vg2
■ P1dB: 18dBm
■ Psat: 20dBm
■ OIP3: 30dBm
■ Typical Noise Figure: 3dB
■ DC bias: Vd=5V@Id=100mA, Vg1=-0.3V
and Vg2=1.7V.
■ Chip dimensions: 3.04 x 1.73 x 0.1mm
Linear Gain, Noise Figure, Return Losses (dB)
20
15
10
5
0
-5 S11(dB)
-10 S22(dB)
S21(dB)
-15 NF(dB)
-20
-25
-30
0 2 4 6 8 10 12 14 16 18 20 22
Frequency (GHz)
24
Main Electrical Characteristics
Tamb.= +25°C
Symbol
Parameter
Freq Frequency range
Gain Linear Gain
NF Noise Figure
Pout Output Power @1dB comp.
Min Typ Max Unit
2 22 GHz
15 dB
3 dB
18 dBm
Ref. : DSCHA30244242 - 29 Aug 14
1/12 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
1 page  
2-22GHz LNA with AGC
CHA3024-99F
Typical Jig Measurements
Tamb.= +25°C, Vd =5V, Vg1 set in order to get Idq =100mA, Vg2=1.7V
BroadbandLLinineeaarrGGaaininan, dRReetuturrnn LLoosssessevse(rsduBs)Frequency
20
15
10
5
0 S11(dB)
-5 S22(dB)
S21(dB)
-10
-15
-20
-25
-30
0
5 10 15 20 25 30 35
Frequency (GHz)
40
Gain tuning withSV2g21((VddB=5)Vvasn.dVVgg21=-0.3V constant)
20
15
10
Vg2=1.7V
5 Vg2=0V
0 Vg2=-0.3V
Vg2=-0.5V
-5 Vg2=-0.6V
Vg2=-0.7V
-10 Vg2=-0.8V
-15 Vg2=-0.9V
-20
0 2 4 6 8 10 12 14 16 18 20 22 24
Frequency (GHz)
Ref. : DSCHA30244242 - 29 Aug 14
5/12 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 
2-22GHz LNA with AGC
Device Operation
Device Power Up instructions:
1) Ground the device
2) Set Vg1 to -2V
3) Set Vg2 to 1.7V (nominal value for Vg2)
4) Set Vd to 5V (nominal value for Vd)
5) Set Vg1 in the range of -0.3V for having Idq=100mA
6) Apply RF input power
Device Power Down instructions:
1) Remove RF input power
2) Remove Vd
3) Remove Vg2
4) Remove Vg1
CHA3024-99F
DC Schematic
Vd=5V, Vg1=-0.3V, Vg2=1.7V, Idq=100mA
Vd
RF out
Vg2
150 ohms
RF in
Cell 1
Cell n
Vg1
50 ohms
300 ohms
Ref. : DSCHA30244242 - 29 Aug 14
11/12
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
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet CHA3024-99F.PDF ] | |
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