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need help for tsop 1738 reciever circuit

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santosh_embedded

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hi frd,


i am santosh i have got stuck with my ir module can any one please help i will narrate wat i have done.

firstly i have generated 38khz frequency signal using 555 timer and following values of ra=1k,rb=16.65k,and capacitances is 1nf.

and i have used tsop 1738 detector and i have built circuit given supply of 5v and wat i observe is when no signal is given to 555 but too vout of tsop 1738 is high and when givn signal is also high.

how does tsop 1738 work please provide detail shematic and working.

please urgent help is required i need to buit obstacle avoidances robot
 

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