Real-Time Digital Pulse Processor (DPP) and Scintillation Detector Spectrometer in One Package. The nanoMCA-SP is a digital pulse processing multichannel analyzer that has a built-in preamplifier in addition to everything the original nanoMCA device has to offer. This low-power, small,  and lightweight device is perfect for portable applications using scintillation detectors such as LaBr, NaI(Tl) and others.