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» S.T.E.M. » НАУЧНА ЛАБОРАТОРИЯ - LD DIDACTIC » НАУЧНИ ЛАБОРАТОРИИ » COM4LAB: Експериментална платка - Честотни модулатори /COM3LAB/
 

COM4LAB: Експериментална платка - Честотни модулатори /COM3LAB/

Comprises an experiment board, housed within a board carrier, for use in conjunction with, and powered by the Master Unit (700020, supplied separately) teaching a practical course on the fundamentals and applications of shift keyed signals and modems, experiments being wired using 2 mm safety cables (700022, supplied separately).  Course content, experiment instructions and tasks are taught via course-specific software. Curriculum Coverage - Introduction - Amplitude shift keying (ASK) - Frequency shift keying (FSK) - 2-phase shift keying (2PSK) - 4-phase shift keying (4PSK) - Difference phase coding - Shift keyed signals in the time domain - Shift keyed signals in the frequency domain - Estimation of the bandwidth - Modulation rate / data rate - SNR & bandwidth - Hardware of the modulators - Hardware of the demodulators - Carrier recovery & synchronisation of the demodulators - Error correction - Error detection - Operational modes, simplex half duplex, full duplex - NRZ line code - Fault simulation Optional 'Communication of 2 PCs using modems A 2nd workstation with a PC with a Master Unit (700020) and the COM3LAB course Modem Technology (7007401) is required, as well as other accessories (coaxial cable, star quad cable etc.) .Technical Data - Data source for baseband signal - ASK Modulator - FSK Modulator - 2PSK Modulator - 4PSK Modulator - Carrier generator - Modulation multiplexer - Audio stage with piezo loudspeaker - Channel level adapter - Signal detector - ASK demodulator - FSK demodulator - 2PSK demodulator - 4PSK demodulator - Carrier recovery Virtual Laboratory - Oscilloscope - Function Generator - Multimeter (x2) - Digital Analyser - Spectrum Analyser (FFT module) - Frequency Counter - Data Transfer ModuleAdditional Functions - Word Processing - Printer - Pocket Calculator - Free Experimentation - Glossary The COM3LAB software contains courses in all supported languages and the current version can be downloaded from www.ld-didactic.de for free. Alternatively, the COM3LAB software can also be obtained' on DVD (70000CBT).

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