General Description

The MICRF103 is a single chip Transmitter IC for remote wireless applications. The device employs Micrel’s latest QwikRadio™ technology. This device is a true ”data-in, antenna-out” monolithic device. All antenna tuning is accomplished automatically within the IC which eliminates manual tuning, and reduces production costs.

Features

• Complete UHF transmitter on a monolithic chip

• Frequency range 800MHz to 1GHz

• Data rates to 115kbps

• Automatic antenna alignment, no manual adjustment

• Low external part count

• Low standby current <1µA

Applications

• Remote keyless entry systems (RKE)

• Remote fan/light control

• Garage door opener transmitters

• Remote sensor data links