IndiJones
Full Member level 2
sub hz transmitter
I have designed a sensor in which light from LED (main) is detected by a Photodiode (PD). The received signal is then filtered and is made to flash an LED (indicator) when the received signal goes above a threshold voltage. The main LED is driven by a 500 hz pulse signal. This whole thing is built as one unit. Now I want to separate this into two parts. One part will contain the LED (main), (PD) and the transmitter (to be built). The other part will have the receiver and the rest of the circuits. My objective is to transmit the 500 hz signal received by the PD to a distance of 50~60 meters without distortion.
I have designed a sensor in which light from LED (main) is detected by a Photodiode (PD). The received signal is then filtered and is made to flash an LED (indicator) when the received signal goes above a threshold voltage. The main LED is driven by a 500 hz pulse signal. This whole thing is built as one unit. Now I want to separate this into two parts. One part will contain the LED (main), (PD) and the transmitter (to be built). The other part will have the receiver and the rest of the circuits. My objective is to transmit the 500 hz signal received by the PD to a distance of 50~60 meters without distortion.