Low Power

1
ZigBee 802.15.4
To other nodes
UART
Tx/Rx
USB lt- UART
Locked-In 2f TF I signal
RF Antenna
ADC
Demodulate
Low Power Signal Processor CPU_0
32.768 KHz I
Preamp
DAC
Tuning Fork
32.768 KHz Q
Demodulate
Focusing Lens
Locked-In 2f TF Q signal
Sync Clk
D I/O
ADC
Reference Cell
Beam Splitter
PD
Low Power Signal Processor CPU_1
Fiber Coupling
Diode Laser Controller
Demodulate
49.152 KHz I
DAC
16.384 KHz Current Modulation
NIR Diode Laser