[NSRCA-discussion] Analog Servo RF Masking and....Thanks!

[J.Oddino]

I assume you are running PPM?  What is the deadband of the analog servos?  

Jim O
  ----- Original Message ----- 
  From: Scott Pavlock 
  To: NSRCA Discussion List 
  Sent: Tuesday, July 04, 2006 12:57 PM
  Subject: [NSRCA-discussion] Analog Servo RF Masking and....Thanks!


  First I would like to thank everyone for the great advice on these last few posts I've posted. Everyone has been a big help.

  I'd like to ask if anyone knows if an analog servo would mask glitches coming in?
  (2 - Futaba 3010's, 2 - Hitec HS77's, 1 - HS81MG) 

  When I connect my JR digital servos ( 2 - 9411sa's, 1 - 8411sa, 1 - 8417, 1 - 3421sa) I get a pretty significant, constant glitch, as if the servos are constantly trying to center, but they have no load what so ever. This is the problem I have described in previous posts. 

  When I connect analog servos in an identical set up, there is no "noise" at all. I range tested them at 100 feet with 1 antenna section up and there is no loss in speed and no sluggish behavior. I also range tested this at about 300 feet with the antenna completely down just for kicks, and I get the same results. 

  When I range test the digital servos, even at the 100 foot range with the antenna completely extended there is a significant, constant glitch. The servos, receiver, and transmitter have all just gotten back from being checked and the 9411sa's had new pots put in, the receiver had been re-tuned to the frequency, and the transmitter got a new antenna. I am very surprised with these results as I just spent a fair amount of money to have my electronics looked at and deemed well. 

  Now, my question again, are my analog servos just masking a problem, or is this solely a problem in the digital servos?

  Thanks a ton everyone!

  Scott



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