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Anonymous
 
Posted on Monday, March 21, 2005 - 10:58 pm:   Edit PostDelete PostView Post/Check IPPrint Post   Move Post (Moderator/Admin Only)Ban Poster IP (Moderator/Admin only)

The store i went to buy the parts for the AM transmitter circuit (Active Surplus) said they had never heard of a 1-mhz oscillator with four pins, so i bought one with two pins, which i am assuming is simply just a crystal. How exactly would i implement this into the circuit?
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Simon Quellen Field (sfield)
Senior Member
Username: sfield

Post Number: 272
Registered: 12-2004
Posted on Tuesday, April 12, 2005 - 5:59 pm:   Edit PostDelete PostView Post/Check IPPrint Post   Move Post (Moderator/Admin Only)Ban Poster IP (Moderator/Admin only)

Two pins is just a crystal.
A crystal oscillator has four pins, and is a circuit with an crystal to control
the frequency. Look up "crystal oscillator circuit" on Google.
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mnado (Mnado)
Senior Member
Username: Mnado

Post Number: 126
Registered: 12-2005
Posted on Sunday, January 29, 2006 - 2:09 am:   Edit PostDelete PostView Post/Check IPPrint Post   Move Post (Moderator/Admin Only)Ban Poster IP (Moderator/Admin only)

try discecting a transmitter from an rc some rc's use crystal instead on an ocsillator but when you put a crystal into a circuit it then acts as an oscillator
try connecting the pos and neg pins of a transistor to an earphone jack then put the speaker to loud it then receives the signals coming from a transmitter so with different pairs of transistors you could now be able to make an rc receiver
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mnado (Mnado)
Senior Member
Username: Mnado

Post Number: 127
Registered: 12-2005
Posted on Sunday, January 29, 2006 - 2:26 am:   Edit PostDelete PostView Post/Check IPPrint Post   Move Post (Moderator/Admin Only)Ban Poster IP (Moderator/Admin only)

simon why do they use crystal in oscillators?what does a stone do to a circuit?

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