Published:2011/7/12 7:37:00 Author:Lena | Keyword: remote control, tri-proportion controller | From:SeekIC
The tri-proportion controller is used to control electromotor rotate speed or oil plants engine accelerograph bulk etc in various power remote control models. Here introduces code/encode and control circuit which can realize above functions.This device realizes the remote tri-proportion control by altering transmitter modulation frequency. Figure 1 is the transmitter frequency regulation circuit, altering the bulk of potentiometer RP can make oscillator frequency change between 100Hz and 1 kHz, the output end of this circuit connects modulation input of high frequency transmitter.
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