Controller Frequency

This topic has 9 replies, 7 voices, and was last updated 21 years, 2 months ago by Barrelll.

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- January 31, 2003 at 9:30 am #11615
  Admin
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  Hello all, any body know how to change the frequency for Controller from 57 MHz to 35 MHz? Thanks
- January 31, 2003 at 12:18 pm #44649
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  You need to open it up and change the quartz frequency thingy in there. You can get a different frequency at an electronics shop. The thing you want to replace looks like a silver squashed capacitor and should have “57mhz” written on it.
- January 31, 2003 at 4:47 pm #44655
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  Thanks mate, I will try.
- January 31, 2003 at 7:35 pm #44661
  micro_Amps
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  Its called a ‘crystal’
- February 1, 2003 at 7:23 am #44671
  Craz
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  This topic has come up a few times before. I believe the result was you can’t just change your frequency, theirs more involved such as changing the circuit and its not really worth it.
  
  There are three types of people in the world, those who can count, and those who can’t.
- February 4, 2003 at 7:59 pm #44750
  PandaBear
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  Supported!
  
  There’s more to changing frequency than just swapping xtals. There’s 2 or 3 different components on the TX board that differs according to freq too.
  
  What are you changing freq for anyway?
  
  There’s no easy way of changing the *car’s* freq that we know of… so unless you want your TX to work on another car of different freq, why do it.
- February 6, 2003 at 6:07 pm #44815
  ph2t
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  Guys, the frequency of the Transmitter CAN be changed by changing over the crystal with another one. BUT you must tweak the coil on the receiver unit in your Bit to match the new frequency of the transmitter.
  
  The main issue is:
  
  – you can only choose a frequency “close” to the original. EG: 35MHz -> 30MHz. Why? Because the inductor coil on the reciever board can only “tune” the frequency so much. Choosing a new frequency that is futher from the original would require you to replace the coil on the receiver with a higher inductance one.
- February 6, 2003 at 6:28 pm #44817
  PandaBear
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  Yes, its been discussed before that you can easily tweak the car to within +/- 3Mhz with the variable inductor pot-thingy.
  
  But why bother?
  
  A car on 35Mhz will still pickup signals from anything within ‘inductor’ (my terminology) range, so you can’t run cars at 30 *and* 35 at same time.
  
  That’s why Tomy had to use 27/35/45/57.
  
  Also I suspect the inductor coil is the same unit across different freq cars, just the static parts leading up to it have different values.
- February 6, 2003 at 10:17 pm #44841
  Shypo
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  Panda maybe u know, how come BCG inteferes when they are lets say 45 and 49mhz(microsizer) but a Z is within like point 0.145 of a mhz and they dont intefere
  
  whats up with that??????
  
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- February 7, 2003 at 5:35 pm #44859
  Barrelll
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  yeh very good point there shypo, the mini z freq are very close together but iv had no interferance with anything else, or my friends Z ?
  
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