3.3GHz~3.7GHz 8W Power Amplifier Au6420, Giving Better Than 45dBc ACLR for 200MHz Modulation Bandwidth

时间： 2024-02-21 来源：Aurasemi

技术问答

The Au6420 is a high efficiency 8W Power Amplifier designed to support FDD and TDD small cell base stations operating over a wide frequency range of 3.3GHz to 3.7GHz. The RF input and output ports are internally matched to 50Ω for the full frequency range. This device incorporates a device enable pin providing single pin device control.

The power amplifier has high gain and peak power which linearizes within a DPD system giving better than 45dBc ACLR for 200MHz modulation bandwidth. This amplifier uses a symmetric Doherty architecture and a functional diagram of the Au6420 is shown below.

It is packaged in a compact 8 x 8mm LGA20 package and uses a standard pin configuration.

Functional Diagram

Features

Frequency 3.3GHz to 3.7GHz

High Peak Power – 39dBm

High Efficiency – 20%

High Small Signal Gain – 36dB

Instantaneous Bandwidths up to 200MHz

Single Supply Domain +5V

PA Enable Shutdown pin

Logic high to enable

Applications

5G Small Cell applications

MIMO Systems

3GPP bands 42, n48, n77, n78

Driver amplifier

Citizens Broadband Radio Service (CBRS) applications

Absolute Maximum Ratings

Recommended Operating Conditions

Electrical Characteristics

V_CC1, V_CC2, V_CC3=V_BIAS=5V, PAEN=2V, F₀=3.5GHz Tcase=25°C, unless otherwise specified.

Ordering information

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