senthil_var2000
New Member
i need a circuit for tranmission of stero sound signal for 20 meter long and also receiver
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A link would be helpful.Paul Obrien said:The micromitter cost more to build then the ready made transmitters (with PLL), try Belkin
The datasheet says the IC is made for North America. It has a formula to calculate pre-emphasis and shows a circuit that uses pre-emphasis for Europe, Australia and New Zealand's 50us capacitors, not North America's 75us capacitors that I calculated.insulttosanity said:You say that this ckt is for Europe and australia ...but when u go thru the datasheet for the BH1417(2nd Last PAge Actually)....we see that it transmits frequencies from 87.7Mhz onwards in steps of 0.2MHz..i.e.87.7, 87.9,88.1 etc...now, according to my knowledge, these ODD frequencies are used in the US and in Europe they use EVEN frequencies like for eg. 87.8, 88.0, 88.2 etc...is this fact right?
The IC used in the Micromitter is designed to transmit sounds from an MP3 player to a car radio only about 2m away.insulttosanity said:Is there an IC out there that can take care of both Europe and the US frequencies?
insulttosanity said:hi audioguru
im gonna use the BH1415F for my FM transmitter but since its a serial input device ive decided to use the PIC 18F2580 to provide this serial data..i have never used a PIC before and am doing so this time so that I can learn more about it...im gonna use MPLAB to use C to program the microcontroller...but heres the thing..my C isnt very good ...but im willing to learn...where should i start learning C from so that I can become good in programming microcontrollers??