ATR0981

www.DataSheet4U.com Features High-power-added Efficient Power Amplifier (Pout Typically 29 dBm) Controlled Output Power Low-noise Preamplifier (NF Typically 1.5 dB) Few External Components PSSO20 Plastic Package with Down-set Paddle UHF SiGe Front-end IC Electrostatic sensitive device. Observe precautions for handling. ATR0981 Preliminary 1. Description The ATR0981 is a monolithic IC manufactured using Atmel’s advanced SiGe technology. The IC performs a transmit and receive front-end function, dedicated for a frequency range of 300 MHz to 500 MHz. It consists of a Low-Noise Amplifier (LNA) and a Power Amplifier (PA) with good Power-added Efficiency (PAE). Figure 1-1. Block Diagram 20 19 18 17 16 15 14 13 12 11 BIAS BIAS 1 2 3 4 5 6 7 8 9 10 Rev. 4862A–SIGE–09/05 www.DataSheet4U.com 2. Pin Configuration Figure 2-1. Pinning PSSO20 with Down Set Paddle V3_PA_OUT V3_PA_OUT V3_PA_OUT GND4 GND3 NC GND2 LNA_IN GND1 BIAS_LNA 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 GND5 V2_PA GND6 POUT_CONTROL GND3 PA_IN GND4 LNA_OUT GND5 VS_CTRL Table 2-1. Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Pin Description Symbol V3_PA_OUT V3_PA_OUT V3_PA_OUT GND4 GND3 NC GND2 LNA_IN GND1 BIAS_LNA VS_CTRL GND5 LNA_OUT GND4 PA_IN GND3 POUT_CONTROL GND6 V2_PA GND5 Function Matching network for power amplifier output Inductor to power supply and matching network for power amplifier output Inductor to power supply and matching network for power amp...