DSP based laser driver and data acquisition system for photoacoustic applications

Publication

Z.Bozoki,J.Sneider,Z.Gingl,A.Mohacsi,M.Szakall,Zs.Bor and G.Szabo, A high-sensitivity, near-infrared tunable-diode-laser-based photoacoustic water-vapour-detection system for automated operation, Meas. Sci. Technol. 10 (1999) 999–1003.

The hardware

DSP driver card schematic
Data acquisition card schematic
Laser diode driver card schematic
Microphone preamplifier card schematic
RS232-RS422 converter card schematic