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PDF ATR3515 Data sheet ( Hoja de datos )
| Número de pieza | ATR3515 | |
| Descripción | WLAN Power Amplifier | |
| Fabricantes | ATMEL Corporation | |
| Logotipo |  |
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Features
• Frequency Range 4.9 GHz to 5.9 GHz
• Supply-voltage 2.7 V to 3.6 V
• 3.5% EVM at 19 dBm Output Power at 54 Mbit/s OFDM
• 25.5 dBm P1dB
• On-chip Power Detector with 25 dBm Dynamic Range
• Power-down Mode and Biasing Control
• Low Profile Lead-free Plastic Package QFN16 (4 × 4 × 0.9 mm)
Applications
• IEEE 802.11a OFDM WLAN
• Hiperlan2 WLAN
• PC Cards, PCMCIA
• 5 GHz ISM Band Application
Electrostatic sensitive device.
Observe precautions for handling.
5-GHz WLAN
Power Amplifier
for 802.11a
ATR3515
Description
Preliminary
Process
The 5-GHz power amplifier is designed in Atmel’s advanced Silicon-Germanium
(SiGe) process and provides excellent linearity and noise performance as well as
good power-added efficiency.
Circuitry
The PA consists of a two-stage amplifier with a P1db of 25.5 dBm. The output stage
was realized using an open-collector structure. Power-up/down and output level are
controlled at bias control pin 6 (VCTL). An on-chip power detector provides a voltage
proportional to the output power.
Figure 1. Block Diagram
VCC1
15
ATR3515
RFIN
3
Matching
VCC2
13
RFOUT
11
RFOUT
10
Bias control
Power
Detector
6
VCTL
16
VCC_CTL
7
VDET_OUT
Rev. 4514I–WLAN–07/04
1 page  
Figure 3. Application Circuit
VCC_CTL
VCC1
ATR3515 [Preliminary]
VCC2
Input
*
ATR3515
Output
*
VCTL VDET_OUT
* microstrip line
4514I–WLAN–07/04
5
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet ATR3515.PDF ] | |
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