Home> Home> Free Electronic Projects> Communication Circuits> Modulator Demodulator circuits

Modulator Demodulator circuits

Multi-channel demodulator circuit with CD4051, CH3130

AC peak clipping circuit with CW117-CW217-CW317

Design of Digital Responder circuit

Diodes and transistors with logic circuit and their waveforms

Dynamic pulse width modulator with LM555

SN75370 dual MOS memory interface circuit

SN75490 Thermal print head drive circuit

Data transmission modulator -demodulator based on SST8803, UM3758-108A

Remote encoding and decoding transmit - receive circuit  based on (MC145026, PT2262)