NXP Semiconductors AFSC5G23E37-EVB

Overview

AFSC5G23E37-EVB from NXP Semiconductors is an evaluation board for the AFSC5G23E37 2300–2400 MHz Doherty power amplifier module, designed to accelerate RF front-end development for LTE and 5G wireless infrastructure. It supports full characterization of Pout = 5 W Avg., PAE = 45.8%, ACPR = –29.8 dBc, and gain = 34.5 dB at 2350 MHz under 1×20 MHz LTE with 8 dB PAR, enabling rapid validation in massive MIMO and outdoor small cell designs.

For engineers reviewing the AFSC5G23E37-EVB datasheet, AFSC5G23E37-EVB pinout, AFSC5G23E37-EVB application, or AFSC5G23E37-EVB equivalent, this board provides a production-representative reference circuit with fully matched 50 Ω input/output, calibrated bias networks, and thermal management optimized for real-world RF power amplifier testing and linearization system integration.

Technical Context

The AFSC5G23E37-EVB implements NXP's reference design (Rev. 3.0) using Rogers RO4350B PCB material (ε_r = 3.66), including ferrite beads (BLM15PD300SN1), precision gate resistors (2.2 kΩ), and multi-value decoupling capacitors (0.1 μF to 10 μF). It supports dual-stage carrier/peaking architecture with independent VDC/VGP/VGC bias rails mapped to the AFSC5G23E37's 27-pin LGA package.

All RF paths are impedance-controlled and DC-blocked; the board enables both analog and digital predistortion (DPD) evaluation via accessible test points for RFin, RFout, and all 11 bias terminals-including VDP1/VDP2 (peaking drain), VGP1/VGP2 (peaking gate), VGC1/VGC2 (carrier gate), and VDC1/VDC2 (carrier drain).

Key Specifications

Availability

AFSC5G23E37-EVB is available at Aetrix Electronics and suitable for LTE base station prototyping, 5G small cell RF front-end validation, and DPD algorithm development requiring stable component supply and traceable reference hardware.

Supply support for AFSC5G23E37-EVB includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

NXP Semiconductors is a global semiconductor leader specializing in secure connectivity solutions for automotive, industrial, and communications markets, with deep expertise in RF power and wireless infrastructure.

The AFSC5G23E37-EVB belongs to NXP's Airfast® Power Amplifier Module evaluation platform family, engineered specifically to de-risk high-efficiency RF power amplifier integration in TDD/FDD LTE and sub-6 GHz 5G base stations.

FAQ

What is the primary purpose of the AFSC5G23E37-EVB?

The AFSC5G23E37-EVB is an evaluation board designed exclusively for the AFSC5G23E37 Doherty power amplifier module. It provides a production-grade reference circuit-using Rogers RO4350B PCB, calibrated bias networks, and full 50 Ω matching-to enable rapid RF performance validation, linearization testing, and thermal characterization of the AFSC5G23E37 in LTE and 5G infrastructure applications.

Does the AFSC5G23E37-EVB support both analog and digital linearization?

Yes, the AFSC5G23E37-EVB supports both analog and digital linearization systems. Its layout exposes all 11 bias terminals (VDC1/VDC2, VGP1/VGP2, VGC1/VGC2, VDP1/VDP2) with low-inductance routing and includes test points for RFin and RFout, allowing precise control of carrier/peaking stage operating points and real-time DPD convergence monitoring during AFSC5G23E37 evaluation.

What PCB material and stack-up does the AFSC5G23E37-EVB use?

The AFSC5G23E37-EVB uses Rogers RO4350B dielectric (ε_r = 3.66, thickness = 0.020″) with controlled-impedance RF traces and an exposed ground paddle aligned to the AFSC5G23E37's thermal pad. This matches NXP's published reference design (Rev. 3.0) and ensures accurate replication of the module's RF performance, thermal behavior, and ruggedness under wideband noise stress.

Can the AFSC5G23E37-EVB be used for 1×20 MHz LTE signal testing at 8 dB PAR?

Yes, the AFSC5G23E37-EVB is fully qualified for 1×20 MHz LTE signal testing at 8 dB PAR. When populated with the AFSC5G23E37, it delivers verified performance: Pout = 5 W Avg., PAE = 45.8%, ACPR = –29.8 dBc, and gain = 34.5 dB at 2350 MHz - matching the datasheet's typical performance measured in NXP's reference circuit under identical conditions.

Is the AFSC5G23E37-EVB compatible with standard RF test equipment?

Yes, the AFSC5G23E37-EVB features SMA connectors for RFin and RFout, 0.1″ pitch headers for all bias supplies, and clearly labeled test points compliant with industry-standard RF instrumentation interfaces. It operates with standard lab supplies (24–30 Vdc for VDD, ±10 Vdc for gate biases) and requires no custom adapters or fixtures to interface with vector signal analyzers, signal generators, or power meters during AFSC5G23E37 characterization.