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