3.3GHz~3.7GHz 8W Power Amplifier Au6420, Giving Better Than 45dBc ACLR for 200MHz Modulation Bandwidth
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
VCC1, VCC2, VCC3=VBIAS=5V, PAEN=2V, F0=3.5GHz Tcase=25°C, unless otherwise specified.
Ordering information
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