[NSRCA-discussion] Servo Signals

[James Oddino]

What do they say in the Capital 1 commercials, not literally?   
Transmitters communicate with receivers digitally in PCM mode and  
analog in PPM mode.  Receivers communicate with servos analogy (?)  
with PWM.  The servos are analog.

Jim O


On Jun 20, 2009, at 7:23 PM, Bob Richards wrote:

> --- On Sat, 6/20/09, Richard Lewis <humptybump at sbcglobal.net> wrote:
>
>
> And....Interestingly enough.....It does not matter what kind of  
> fancy whopping digital super latest and greatest TX/RX system you  
> have, the signals to the servos are still firmly rooted in good old  
> 1970's technology....:)  And...Your super whopper digital brushless  
> whatever servo still has an analog pot for position feedback....:)
>
> I for one am eager to see a leap in servo  
> technology.....Bidirectional serial comms to the servos with the  
> servo being able to feed back torque, amps, position, rate,  
> etc.....and encoder/resolver position feedback in the servos to  
> really catch up with the world we live in......
>
> Amen to that. We have digital servos and digital receivers, yet they  
> talk to each other via an analog method and use analog feedback.
>
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