NXP UM11926 BTS6305C Evaluation Board User Guide

NXP UM11926 BTS6305C Evaluation Board User Guide

Introduction

This document describes the use, design, and test results of the BTS6305C EVB.

BTS6305C product description

The BTS6305C is a wideband high linearity pre-driver amplifier with differential input optimized for frequency
range 4.4 GHz – 5 GHz for 5G massive MIMO infrastructure applications, with fast on-off switching to support TDD systems. The amplifier is designed to operate between 4.4 GHz and 5 GHz. The BTS6305C is housed in a 3 mm x 3 mm x 0.85 mm 16-terminal HVQFN package.

BTS6305C key features and benefits

• High saturated output power Po(sat) = 27.5 dBm
• High power-gain Gp = 35.5 dB
• High linearity performance ACLR = -42 dBc
• Unconditionally stable
• Fast switching to support TDD systems
• 5 V single supply, quiescent current 100 mA
• Small 16-terminal leadless package 3 mm x 3 mm x 0.85 mm
• ESD protection on all terminals
• Moisture sensitivity level 1

Figure 1. EVB board

BTS6305C EVB properties

Schematic
DNP = not used components, reserved location. See Figure 1 for the location of the components.
Figure 2. EVB schematic

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 has no functionality for BTS6305C and should be left open.

Operations

Figure 5

shows the connections in a single ended to single ended operation. Figure 6

shows the connections on differential to single ended operation.
If only single ended to single ended operation is needed, NXP refers to UM11646 of the BTS6305C.

Measurements results

In the below graphics, the Spar measurements are shown. Measured at nominal conditions VCC = 5 V, Tcase = 25 °C.
Figure 7. Differential gain at (typical values). Vcc = 5 V, Pi = -25 dBm

Figure 8. Differential RLi (typical values). Vcc = 5 V, Pi = -25 dBm

Figure 9. RLo (typical values). Vcc = 5 V, Pi = -25 dBm

Figure 10. K-factor (typical values). Vcc = 5 V, Pi = -25 dBm

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

• Updated Legal information and brought to current standard

UM11926 Rev. 1| 3 May 2023|

• Initial release of user manual

Legal information

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