[SATLUG] Re: [XCSSA] Fwd: [10BitWorks] Eimac vacuum tube hands-on
presentation next Saturday the 24th
w5omr at att.net
Sun Mar 18 10:09:55 CDT 2012
On 3/17/2012 10:30 PM, Thomas Weeks wrote:
> Ignorant folks might laugh at that type of presentation.. but vacuum tubes
> still have a very important reason for being in tech. Besides good sounding
> hifi and guitar amps.. they're also used in many very high power radio
> broadcast systems.
Overseas Shortwave broadcast stations, maybe. TV and Radio stations in
the US were mandated to go 'digital'.
Solid state transmitters, using Pulse-width or pulse duration modulation
schemes are the de facto standard across -our- great land.
73 = Best Regards,
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