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PDF BGA622 Data sheet ( Hoja de datos )
| Número de pieza | BGA622 | |
| Descripción | The BGA622 Silicon-Germanium Universal Low Noise Amplifier MMIC in 1800 - 2500 MHz Receiver Applications | |
| Fabricantes | Infineon Technologies AG | |
| Logotipo |  |
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Silicon Discretes
The BGA622 Silicon-Germanium
Universal Low Noise Amplifier MMIC
in 1800 - 2500 MHz Receiver Applications
Application Note No. 069
Features
• Versatile, easy-to-use LNA MMIC
in 70 GHz ft SiGe technology
• 50 Ω matched output, pre-matched input
3
• Integrated output DC blocking capacitor,
integrated RF choke on internal bias network
4
• Low current consumption of 6 mA
• “Shutdown” or “Sleep” mode
SOT-343
• Unconditionally stable
• Low external component count
• Exceptional noise figure: 1.1 dB in a PC board at 2 GHz
2
1
Applications
• Low Noise Amplifier for 800/900 MHz, GSM900, 900 MHz ISM, DCS1800, GPS,
1900 MHz PCS, 2.1 GHz UMTS and 2.4 GHz Wireless LAN
• Long-Range Bluetooth applications requiring improved system sensitivity via use of
an external LNA
Introduction
The BGA622 is an easy-to-use, versatile and flexible low-cost Low Noise Amplifier
(LNA) MMIC designed for the high linearity and sensitivity requirements of existing and
next - generation wireless applications including GSM, 900 MHz ISM, GPS, UMTS and
Wireless LANs. Based on Infineon’s cost-effective 70 GHz fT Silicon-Germanium (SiGe)
B7HF bipolar process technology, the BGA622 offers a 1.1 dB noise figure and 15 dB of
gain at 2.1 GHz for high performance, cost-effective mobile communications
applications. BGA622 offers impressive noise figure performance, particularly for a low-
cost, integrated MMIC. In the past, in-circuit noise figures approaching 1.0 dB at 2 GHz
were possible only for more expensive GaAs-based, fully discrete solutions utilizing
narrowband impedance matching and higher external parts count. The BGA622
combines the excellent noise figure advantages of a high-performance discrete solution
with the ease-of-use, low parts count, and diminished risk and reduced system
development time made possible by a MMIC approach.
Application Note
1
V3.0, 2001-10
1 page  
The BGA622 Silicon-Germanium Universal Low Noise
Amplifier MMIC in 1800 - 2500 MHz Receiver Applications
Configuration A
2
1,8
1,6
1,4
1,2
1
0,8
0,6
1,7
1,9 2,1 2,3
Frequency [GHz]
Figure 4 Noise Figure Configuration A
2,5
16
15
14
13
12
11
10
1,7
1,9 2,1 2,3
Frequency [GHz]
Figure 5 Gain Configuration A
2,5
Application Note
5
V3.0, 2001-10
5 Page 
The BGA622 Silicon-Germanium Universal Low Noise
Amplifier MMIC in 1800 - 2500 MHz Receiver Applications
Configuration B
6
8
10
s11
12
s22
14
16
1,7
1,9 2,1 2,3
Frequency [GHz]
Figure 15 Return Loss Configuration B
2,5
20
22
24
26
28
1,7
1,9 2,1 2,3
Frequeny [GHz]
Figure 16 Reverse Isolation Configuration B
2,5
Application Note
11
V3.0, 2001-10
11 Page | ||
| Páginas | Total 21 Páginas | |
| PDF Descargar | [ Datasheet BGA622.PDF ] | |
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