Re: [tracker2] New integrated transceiver prototype
- Sign me up!
On Mar 14, 2008, at 3:49 PM, Scott Miller wrote:
> I just got the first two prototype T2 boards built that'll fit in a
> 5-watt transceiver. I started working on this idea a long time ago,
> the transceiver I was working with at the time was more difficult to
> integrate with and significantly more expensive. This one's a little
> larger, but still pretty compact, and (sans T2) it'll be able to
> with a single band HT for price.
> The sample in the picture is a 70 cm version. The 2-meter version
> be ready for at least a couple of months. I've been thinking about
> getting a batch of the 70 cm version to sell for general data radio
> with external TNCs, but I'm not sure there's enough market to
> justify it
> - especially not when I need to conserve capital for the 2-meter
> This is a synthesized radio, with pretty broad frequency coverage.
> RSSI signal is routed to an ADC input on the T2, so it can get signal
> strength information over a useful range - something like -122 dBm to
> -73 dBm by my measurements. Might be useful for omni DF'ing or at
> reporting your signal strength.
> If I'm lucky, I might have VHF samples in time for Dayton, but I'm not
> counting on it. It'll probably be mid-summer before I have them
> I know some SAR teams will want these. I'm going to try to provide a
> power save option that'll keep idle power down to 15 mA or less at 12
> volts to make it useful for solar powered weather stations. It'd help
> to get a idea for the demand, though - if you think you'd be likely to
> buy one (or more) at an estimated price of about $185, let me know.
> Just keep in mind that the price is a preliminary estimate, and I'm
> sure of all costs yet.
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