User's Manual

MOTOTECH CO., LTD.
Title Document
Project Name KORANDO C
Date 2010-06-21
Finish Date 2010-06-21
Made by B.S.Choi
4
3. Specification
Form name of equipment Unit Ass’y - Smart Key
Type Weak Signal Equip.
Equipment List LF Transmitter-Receiver
Frequency TX-133.33 kHz
Antenna Type Low Frequency ANTENNA
Communication Scheme Two-Way Communication
Equipment use Vehicle Antitheft Equip. (Smart Key System)
Operating Temp. -30℃ ~ +80℃
4. CIRCUIT EXPLAINATION
1. When receiving Trigger switch(external)or Start switch(internal) input MCU(U1) will control the High
Side Controller(U26) and provide power to LF Antenna controller(U5, U6, U9, U22, U24).
2.When MCU(U1) makes wake-up pattern and serial data and send it to LF Antenna controller(U5, U6,
U9, U22, U24) the wave amplified by the LF Antenna controller(U5, U6, U9, U22, U24) will be
transmitted through the external LF Antenna.
FCC (Federal Communications Commission)
WARNING: This equipment may generate or use radio frequency energy.
Changes or modifications to this equipment may cause harmful interference unless
the modifications are expressly approved in the instruction manual.
The user could lose the authority to operate this equipment if an unauthorized change
or modification is made.
This device complies with Part 15 of the FCC`s Rules. Operation is subject to
the following two Conditions:
1. This device may not cause harmful interference, and
2. This device must accept ant interference received,
including interference that may cause undesirable operation.