DF data transmission module and the super-regenerative receiver module

DF data transmission module operates at 315MHz, the use of surface acoustic wave resonator SAW frequency stabilization, high frequency stability. When the ambient temperature i

s -25 ~ + 85 between changes in frequency drift of only 3 10-6/, especially for a collection of multiple wireless remote control and data transmission system. Wireless data transmission is widely used in industrial data acquisition systems, small wireless data terminals, vehicle monitoring, remote control, telemetry, access control systems, paging, identification, non-contact RF smart card, fire safety systems and other areas.DF data transmission module equivalent circuit:

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