In-Reply-To: <38EDE935.BC35C550@ustr.net>

Wagner Lipnharski <wagner@USTR.NET> wrote:
> LCD technology is basically slow, so for high frequencies they are
> forced to work with memory. The customer thinks it is an advantage to
> have memory or delayed display, but in true there is no other way to do
> that.  You can't possible "see" a 50 MHz signal in real time on a LCD
> screen.  Steve, to mess with your words, I would change the phrase "OK
> (specially lower frequencies)." to "OK (only in lower frequencies)"...
> :)  In the high frequency real time world there is nothing that can
> substitute (until now) the good and old CRT, I am wrong?

Wrong and very confused.

The LCD is only a display device it can be as slow as you like as long as the
circuit that's sampling the input signal and storing the readings in memory
goes fast that's all it takes.

Brian Gregory.
briang@cix.co.uk