R/C Tech Forums - Crystals

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Adoika

07-19-2004 07:48 AM

Crystals

Hi guys sorry if this is a question that has been answered before but I could not find any info. I need to know what is the difference between RX and TX crystals? Is one for the receiver and the other for the transmitter? Just wanted to know as I am looking into getting a few different frequencies. Thanks for any help.

THE ROCK

07-19-2004 07:55 AM

Re: Crystals

Quote:

Originally posted by Adoika
Hi guys sorry if this is a question that has been answered before but I could not find any info. I need to know what is the difference between RX and TX crystals? Is one for the receiver and the other for the transmitter? Just wanted to know as I am looking into getting a few different frequencies. Thanks for any help.

You got it in one dude
TX = Transmitter Xtals and RX = Receiver Xtals

Crystals that is still dont know why they dont just put TC and RC

:weird: :confused: :lol:

Adoika

07-19-2004 08:05 AM

Thanks for your help:)

splitty

07-21-2004 06:21 AM

another thing Adoika,
The Tx is the Xtal that is the "frequency" (eg. 29.745)
The Rx Xtal may state the same number on it, but quite often will have a higher number (eg. 29.745 will say 30.200)
In the 29 mHz range, the Rx is always 0.455 more than the Tx.
Not sure of 27, 36 or 40 mHz number, but same rule applies.

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