Need help with Telemetry/ Data transmission thru ASK or FSK

[nerdspot]

I'm constructing a telemetry ckt that relays temperature data wirelessly thru' RF. I'm trying to use a IC like DS1621 from Maxim or Analog Devices' AD7818 for temperature sensing, coz it has integrated A-D conversion. I need to input the data into a ISM band RF transmitter, then recieve it and display it. Any ideas as how to go about it? Do i need to use a microcontroller? The 8051 perhaps? Can anyone help me wid the ckt diagram/schematic and code? Thx in advance..
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