MICRF218AYQS-TR

Product Overview

MICRF218AYQS-TR from Microchip Technology is a 300 MHz to 450 MHz ASK/OOK receiver with selectable IF bandwidth. This receiver-oriented summary is written for engineers and sourcing teams that need a clear view of the receiver function, operating band and interface requirements.

The content focuses on architecture, RF band or radio standard, power/interface characteristics and practical design notes for BOM sourcing and replacement projects.

Key Features

• Manufacturer: Microchip Technology
• Part Number: MICRF218AYQS-TR
• Device Type: 300 MHz to 450 MHz ASK/OOK receiver with selectable IF bandwidth
• Receiver Architecture: Integrated ASK/OOK receiver with selectable IF bandwidths
• Frequency Range: 300 MHz to 450 MHz
• Modulation: ASK / OOK receiver operation
• Bandwidth Control: Selectable dual IF bandwidth architecture
• Application Class: RKE, remote control and low-power telemetry receiver
• System Role: Sub-GHz receiver IC for simple antenna-to-data designs
• Package / Case: 16-pin QSOP receiver package family
• Design Notes: Set the IF bandwidth option and external reference for the selected regional band.

Applications

Remote keyless entry, wireless sensors, alarms, remote controls and low-power proprietary receiver modules.

Receiver boards that need selectable IF bandwidth to support different data rates and link conditions.

Quality & Sourcing

Antrex Electronics can support sourcing for MICRF218AYQS-TR through available stock checks, BOM consolidation and alternative-lot review. For RF receiver and radio receiver parts, package condition, lot/date code, moisture handling and original labeling should be checked before shipment.

For shortage support or legacy builds, Antrex Electronics can coordinate visual inspection, packaging verification and third-party electrical or authenticity testing when required. This helps buyers manage risk when sourcing discontinued, allocated or hard-to-find receiver ICs and modules.