Sub-1GHz OOK RF Control for Electric Bike Alarm --

Sub-1GHz OOK RF Control for Electric Bike Alarm
TX : BC68F2122 / RX : BC68F2420 (SoC) + HT45F56
Characteristics
► Frequency : 433.92MHz
► System Operating Voltage
 TX : DC 3V
 RX : DC 36V
► Modulation : OOK
► TX : BC68F2122
 Remote functions : alarm, disalarm, remote start, remote calling
 Max. Output power : 13 dBm
 Operating Current : 15mA (with LED)
► RX : BC68F2420 (315 / 433MHz OOK Regenerative Receiver SOC)
 Receiver sensitivity : -100dBm @ 5V 10ksps 0.1%BER
 Power Consumption : 4mA
► Shock sensor controller : HT45F56
 Shock detection
Application Areas
2015 Holtek New Product Presentation D15
Block Diagram
Remote Controller
Receiver
MCU
BC68F2122
5V
RF TX
Matching
3V
36V → 5V
HT7463B
36V
RF RX
Matching
Indicator
Indicator
Keys
Shock Sensor
Detector
HT45F56
MCU
BC68F2420
Alarm
Application Circuit
DC Power
Master MCU
Button Circuit
TX : BC68F2122
DC Power
RF Matching
Circuit
Master MCU
RF Matching
Circuit
HT7463B
HT45F56
Shock Sensor Circuit
RX : BC68F2420
Electric Bike
Control Interface
2015 Holtek New Product Presentation D15