Tekin receivers

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CAT3K
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Tekin receivers

Post by CAT3K »

I got this Tekin receiver with a buggy a while ago. Before getting it i never even knew Tekin made receivers :lol: Can anyone tell me if these were any good in their day, and roughly when they were being sold?

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Paul.

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Re: Tekin receivers

Post by justinspeed79 »

Yes they were very good. I still have a couple that work great. Not too sure on specific dates, but I think it was pretty much throughout the 90's.

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Re: Tekin receivers

Post by skunk.werkz »

I have one of those in my Tekin active-link chassis, dont forget the FM which was a shiney chrome dipped box!

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thinking about adding the Teking reverse module too!

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Re: Tekin receivers

Post by Stumpy »

I have 3 or 4 of them, in both the red and chrome.. I used them with my JR XR3, and then later with a JR XS3 synthezised radio..

I never had any major issues with them, except for having a crystal fall out when in use in one of my off road cars.. A piece of tape fixed that problem..

I purchased mine secondhand in the early 2000's, so I guess late 90's early 2000..

Manual is here http://www.teamtekin.com/manuals/FM_Rec.pdf

EDIT- Just found the box to one of them, copyright 1992, so I guess some time around then....

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Re: Tekin receivers

Post by CAT3K »

Thanks for that :) I like the look of the chrome version. Mine is 40mhz FM, but it refuses to work with my old Sanwa crystals/radio. Maybe they're compatible with Futaba radios?

Paul.

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Stumpy
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Re: Tekin receivers

Post by Stumpy »

The Tekin receivers (as pictured) are FM or Frequency Modulation..

Older Sanwa "DASH" radio systems use AM or Amplitude Modulation..

Basically, trying to get the two different systems working together would be like an English only speaking person trying to have a conversation with say a French only speaking person.. (no racial discrimination intended)..

The other concern is the frequency band, 40Mhz.. Even if you have an FM radio system, unless it is on the same band, I would expect that the radio's range would be severely diminished..

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Re: Tekin receivers

Post by justinspeed79 »

Isn't 40mhz the standard for land rc in the uk?

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Re: Tekin receivers

Post by CAT3K »

Stumpy wrote:The Tekin receivers (as pictured) are FM or Frequency Modulation..

Older Sanwa "DASH" radio systems use AM or Amplitude Modulation..

Basically, trying to get the two different systems working together would be like an English only speaking person trying to have a conversation with say a French only speaking person.. (no racial discrimination intended)..

The other concern is the frequency band, 40Mhz.. Even if you have an FM radio system, unless it is on the same band, I would expect that the radio's range would be severely diminished..

Cheers..
Thanks, but my 2 Sanwa radios are the old Gemini and Exerd, both of which are 40Mhz FM.

Maybe there is compatibility issues with Sanwa 40FM, or maybe the receiver could just be duff? :lol:

Paul.

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Re: Tekin receivers

Post by Stumpy »

I am wondering if you have a polarity problem when powering up the receiver..

Older Sanwa radio gear has got the positive and negative wires swapped when compared to Futaba, JR, and these Tekin receivers.. If you download the receivers manual via the link in my first post, it has a section on the first page explaining how to change the polarity of the battery/ESC/servo connectors from Sanwa/KO to suit the Tekin receivers..

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Re: Tekin receivers

Post by V12 »

The Tekin FM receiver was released in 1992 http://classicrc.wordpress.com/electronics/receiver/tekin/tekin-tfm/
Tekin AM receiver http://classicrc.wordpress.com/electronics/receiver/tekin/tekin-terx/

I´m not sure for AM but for FM you have to use the "right" crystals otherwise the system doesn´t work. I know some transmitters are using internal frequency multiplication so in reality the crystals are working with half or one third of the transmitter frequency. Using the wrong crystals at the transmitter might cause the receiver not working, some other still do.

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