NXP Semiconductors MRF101AN-230MHZ

Overview

MRF101AN-230MHZ from NXP Semiconductors is a 230 MHz test fixture designed for characterizing the MRF101AN RF power LDMOS transistor under pulsed conditions (100 µs, 20% duty cycle) at 50 Vdc supply. It delivers 115 W peak output power with 21.1 dB power gain and 76.7% drain efficiency, enabling ruggedness validation up to 65:1 VSWR at all phase angles with no device degradation. This fixture supports industrial plasma etching and MRI amplifier development.

For engineers reviewing the MRF101AN-230MHZ datasheet, MRF101AN-230MHZ application, MRF101AN-230MHZ pinout, or MRF101AN-230MHZ equivalent, this fixture provides verified 230 MHz RF performance data, thermal impedance measurement capability (Z_θJC = 0.37 °C/W), and load mismatch testing per NXP's standardized test methodology.

Technical Context

The MRF101AN-230MHZ fixture implements a 50 Ω system architecture optimized for pulse-mode characterization of the MRF101AN transistor at 230 MHz. It incorporates calibrated input/output matching networks, low-inductance grounding, and a thermally managed TO-220-3L mounting interface to replicate real-world VHF amplifier operating conditions.

It enables precise measurement of key ruggedness parameters including >65:1 VSWR tolerance at 1.8 W peak input (3 dB overdrive) and junction temperature tracking under pulsed stress. The fixture's layout and component selection align with NXP's AN1955 thermal measurement methodology and MTTF reliability modeling.

Key Specifications

Availability

MRF101AN-230MHZ is available at Aetrix Electronics and suitable for industrial plasma etching, MRI RF amplifier development, VHF broadcast transmitter qualification, and aerospace communications subsystem validation requiring stable component supply and traceable reference test infrastructure.

Supply support for MRF101AN-230MHZ 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 & IoT, mobile, and communication infrastructure markets.

The MRF101AN-230MHZ fixture belongs to NXP's RF Power Device Reference Circuit family, engineered to accelerate design-in and reliability validation of high-ruggedness LDMOS transistors in demanding HF/VHF applications such as industrial heating, medical imaging, and broadcast.

FAQ

What is the primary purpose of the MRF101AN-230MHZ fixture?

The MRF101AN-230MHZ fixture is a dedicated 230 MHz test platform developed by NXP to characterize the MRF101AN RF power transistor under pulsed conditions (100 µs, 20% duty cycle). It provides repeatable measurement of output power (115 W peak), gain (21.1 dB), efficiency (76.7%), and load mismatch resilience (>65:1 VSWR) - essential for validating amplifier designs in industrial and medical RF systems where the MRF101AN-230MHZ is deployed.

Does the MRF101AN-230MHZ fixture include the MRF101AN transistor?

No, the MRF101AN-230MHZ fixture does not include the MRF101AN transistor. It is a standalone PCB-based test platform designed to host and evaluate the MRF101AN (TO-220-3L package) under controlled 230 MHz pulsed RF conditions. Users must procure the MRF101AN separately and mount it onto the fixture's designated footprint per NXP's assembly guidelines.

What thermal data does the MRF101AN-230MHZ fixture enable?

The MRF101AN-230MHZ fixture supports thermal characterization with a measured junction-to-case thermal impedance (Z_θJC) of 0.37 °C/W under pulsed operation (113 W peak, 100 µs, 20% duty cycle, 73°C case temperature). This value allows engineers to calculate actual junction temperature rise during pulsed RF stress testing - a critical parameter for reliability assessment and MTTF modeling using NXP's online calculator.

Can the MRF101AN-230MHZ fixture be used for CW operation?

The MRF101AN-230MHZ fixture is specifically optimized for pulsed RF testing (100 µs, 20% duty cycle) at 230 MHz and is not rated or characterized for continuous wave (CW) operation. Its thermal design, component selection (e.g., ferrite bead B1), and layout prioritize transient response and VSWR robustness. For CW validation, NXP provides separate reference circuits (e.g., MRF101AN-13MHZ through MRF101AN-VHF), not the MRF101AN-230MHZ fixture.

How does the MRF101AN-230MHZ fixture verify ruggedness?

The MRF101AN-230MHZ fixture verifies ruggedness by enabling direct measurement of the MRF101AN's response to extreme load mismatches: it sustains >65:1 VSWR at all phase angles when driven with 1.8 W peak input (3 dB overdrive) at 230 MHz, with zero device degradation observed. This test uses the fixture's calibrated 50 Ω system and precision matching network to replicate worst-case antenna detuning or plasma arc events encountered in industrial and medical RF applications.