The MICRF103 is a single chip Transmitter IC for remote wireless applications, employing Micrel's latest QwikRadio™ technology. It eliminates manual tuning, reduces production costs, and provides a highly reliable yet extremely low-cost solution for high volume wireless applications. The transmitter is designed to comply with worldwide UHF unlicensed band international radio regulations and is compatible with virtually all ASK/OOK UHF receiver types. It supports data rates up to 115k bits per second and maintains constant transmit power within regulatory limits. When used with Micrel's QwikRadio™ receivers, it offers the lowest cost and most reliable remote wireless solution.
The MICRF103 is a single‑chip transmitter IC for remote wireless applications. It uses Micrel’s QwikRadio™ technology to provide automatic antenna alignment, low part count, and compliance with worldwide UHF unlicensed band regulations. The device supports frequencies from 800 MHz to 1 GHz and data rates up to 115 kbps.
Key features include a built‑in UHF synthesizer, automatic antenna tuning, low standby current (<1 µA), and operation over a temperature range of –40 °C to +85 °C. The IC is supplied in an 8‑Pin SOIC package (part number MICRF103BM) and requires a supply voltage of 4.75 V to 5.5 V.
| Frequency range | 800 MHz to 1 GHz |
|---|---|
| Maximum data rate | 115 kbps |
| Package | 8‑Pin SOIC |
The MICRF103 operates from 800 MHz up to 1 GHz.
It supports data rates up to 115 kbps.