my name is zoyal student of telecomm.. and electronic engineering
i am doing project on infrared cordless headfone
i attach a circuit diagram of my project
in the circuit diagram
i have following problems
in the transmitter i can replace audio transformer with an voltage (step-up or step-down )transformer?
in the receiver circuit which IR photo-transistor(i.e op 550,pnz 107) ) will work if any please tell me its name.??
if some-one have any other circuit diagram please send it to me.....
i am doing project on infrared cordless headfone
i attach a circuit diagram of my project
in the circuit diagram
i have following problems
in the transmitter i can replace audio transformer with an voltage (step-up or step-down )transformer?
in the receiver circuit which IR photo-transistor(i.e op 550,pnz 107) ) will work if any please tell me its name.??
if some-one have any other circuit diagram please send it to me.....
Attachments
Last edited: