FIELD: physics.
SUBSTANCE: invention relates to the telecommunications. Interface device of telegraph key with USB interface of PC includes four contact connectors 10x1F-H8.5; USB connector for power supply of interface device; additional power supply connected to interface device through DC2.1MMX connector; microcontroller ATmega328; green and red light-emitting diodes; yellow light-emitting diode; mounting seats for microcontroller ATmega328 and programmer CP341A, providing fast replacement of microcontroller and programmer; 100 Ohm, 0.25 W resistors; 100 mkF capacitors; operational amplifiers; transistor KG-315; programmer CP341A is configured to provide a function of simulating operation in a radio link on a local network and correcting information transmitted to a personal computer.
EFFECT: technical result of invention is real-time monitoring of quality of information transmitted from a telegraph key; enabling the device to perform the function of simulating the operation of a telegraph key in a local network radio link and enabling correction of transmitted information using a personal computer.
1 cl, 3 dwg
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