8250A Optical Power Meter Operation Manual
5.2 Analog Out
5-2
Figure 5-1 Block Diagram of the 8250A
823* series sensor
Nonvolatile
memory
Wavelength
sensitivity
data
Power
calibration
data
Sensor ID
821* series sensor
VR for the power
calibration
Sensor ID
Photodiode bias
circuit
Fluorescent
display tube
Power
supply
circuit