SiGe Transmit/ Receive Frontend IC
Description
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Features
• Power Amplifier with High Power Added Efficient (PAE), • • • •
Pout Typically 29 dBm Controlled Output Power Low-noise Preamplifier (NF Typically 1.
7 dB) Few External Components PSSO16 Plastic Package with Down Set Paddle
Description
The T0980 is a monolithic IC manufactured with Atmel’s advanced SiGe technology.
The IC performs a transmit and receive front-end dedicated for a frequency range of 400 MHz to 500 MHz.
It consists of a Low-Noise Amplifier (LNA) and a Power Amplifier (PA) with good Power Efficiency (PAE).
Electrostatic sensitive device.
Observe precautions for handling.
SiGe Transmit/ Receive Frontend IC T0980
Figure 1.
Block Diagram
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16 13 11 9
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Bias
1
3
5
8
Rev.
4584A–SIGE–01/03
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1
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Pin Configuration
Figure 2.
Pinning PSSOP16
V2_PA_OUT 1 V2_PA_OUT 2 GND POUT_ CONTROL GND LNA_IN 3 16 V2_PA_OUT 15 GND V1_PA GND
14
4 T0980 5
13
12
PA_IN
6
11
GND
GND BIAS_LNA
7
10 LNA_OUT 9 VS_CTRL
8
Pin Description
Pin 1 2 4 5 6 7 8 9 10 11 12 13 14 15 16 Symbol V2_PA_OUT V2_PA_OUT GND POUT_CONTROL GND LNA_IN GND BIAS_LNA VS_CTRL LNA_OUT GND PA_IN GND V1_PA GND V2_PA_OUT Function Inductor to power supply and matching network for power amplifier output Inductor to power supply and matching network for power amplifier output Ground Ground Low-noise amplifier input Ground Resistor to VS sets the LNA current Supply voltage for control of power amplifier Low-noise amplifier output and supply voltage Ground Power amplifier input Ground Supply voltage for power amplifier Ground Matching network for power amplifier output
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Power amplifier control input
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T0980
4584A–SIGE–01/03
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T0980
Absolute Maximum Ratings
All voltages are referred to GND
Parameters Supply voltage PA, TX Pins 1, 2, 9 and 14 Supply voltage LNA, RX Pin 10 Junction temperature Storage...
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