NXP UM11646 BTS6303U Evaluation Board User Guide

UM11646
BTS6303U Evaluation
Board Quick Start Guide
Rev. 1.2 — 15 April 2024
User manual

Introduction

This document describes the use, design, and test results of the BTS6303U.
1.1 BTS6303U product description
The BTS6303U is a wideband, high linearity, pre-driver amplifier for 5G massive MIMO infrastructure applications, with fast on-off switching to support TDD systems. The amplifier is designed to operate from 2.3 GHz to 4.2 GHz.
It is housed in a 3 mm x 3 mm x 0.85 mm 16-terminal HVQFN package. The amplifier is ESD protected on all terminals.

BTS6303U key features and benefits

• High saturated output power Po(sat)= 27.3 dBm
• High power-gain Gp= 36 dB
• High linearity performance ACLR = -40 dBc
• Programmable bias current (via external resistor)
• Fast switching to support TDD systems
• 5 V single supply, quiescent current 70 mA
• Small 16-terminal leadless package 3 mm x 3 mm x 0.85 mm
• ESD protection on all terminals
• Moisture sensitivity level 1

BTS6303U EVB properties

2.1 Schematic

2.2 DC and control connections
Figure 3 shows the DC and enable connection, at the main header (J117). The connector can be straight or 90 degrees. The text is also on the EVB. Figure 4 shows connectors J118 GND, and J1 ISET. J1 (ISET) on the EVB can be applied to adjust the quiescent current in the final stage of the amplifier. R1 should be removed in case J1 is applied to adjust the bias current.
Note : NXP recommends that, using the setup as is shown in Figure 4 is R1 (10 kΩ).

2.3 Operations
Figure 5 shows the connections in a single ended to single ended operation.
If also differential to single ended operation is needed, NXP refers to UM11645 of the BTS6302U.

Measurements results

In the below graphics, the Spar measurements are shown. Measured at nominal conditions VCC= 5 V, T case=25 °C, R set = 10 KΩ.

Abbreviations

Table 1. Abbreviations

EMC information

CAUTION

This product has not undergone formal EMC assessment. It is the responsibility of the user to ensure that any finished assembly complies with applicable regulations on EMC interference. EMC testing, and other testing requirements for CE is the responsibility of the user.

Revision history

Table 2. Revision history

current standard
UM11646 Rev. 1.1| 6 December 2022| • Added EMC information
UM11646 Rev. 1| 23 July 2021| • Initial release of user manual

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© 2024 NXP B.V.
For more information, please visit: https://www.nxp.com
All rights reserved.
Date of release: 15 April 2024
Document identifier: UM11646
All information provided in this document is subject to legal disclaimers.
Rev. 1.2 — 15 April 2024

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