PIC 12F675 RF use

[cooksydesign]

Anyone use the RF transmitter in this Microchip device and the receiver in Microchips rfRXD0420?

I have had some success with transmitter/receiver modules, but these look very interesting. I'm most curious about antenna design for these devices.

If anyone has used these I would like to hear about pitfalls and problems encountered. Circuit design suggestions . . .

Many thanks.

Brad

[dhouston]

I haven't used them but did evaluate them for an application that uses a PIC12F675 and a standalone SAW controlled transmitter (from Wen Shing). It cost less and was far simpler to stay with the separate components.

[Acetronics2]

I'm most curious about antenna design for these devices.

Brad

Here : http://www.microchip.com/stellent/id...AN831&x=9&y=10

just browse ...

Alain

[cooksydesign]

Thanks to both.

Brad

[Ron Marcus]

Do you have any design criteria?

[charudatt]

I have some samples with me and would really like share your experience.

So keep us posted with your design feedback , BRAD.

regards

[cooksydesign]

Only parameters I have at the moment are size, distance, and power requirements.

The size of the circuit board has to be about 1 inch tall and 1.5 wide. Powered by a 9 volt transistor battery through a 3.3 voltage regulator. Distance for transmitting data is less than 100 feet, probably closer to 50 feet.

I think thats all I have right now. I haven't started yet, just gathering info. Best place to start, other than Microchips' site, is here.

Thanks for all the responses.

B