J
Johnny Chang
- Jan 1, 1970
- 0
i'm trying to create a standalone crystal circuit to create a square
wave but all I can find are parallel resonance circuits. the series
resonant circuits don't seem to have a resistor and it is my
understanding that you change the frequency of the crystal by having
different series resistances, listed here:
http://rocky.digikey.com/WebLib/Epson/Web Data/C-2-TYPE,C-TYPE.pdf
does anyone have an example circuit I can use with this crystal? i
dont think i can use a parallel resonance circuit with it because of
the 6pF to infinity statement.
this is the only place i've seen with series resonance:
http://www.geocities.com/SiliconValley/Peaks/3938/uexosc.htm
but i don't understand how to select my frequency of oscillation or
the purpose of the op amps at the end.
wave but all I can find are parallel resonance circuits. the series
resonant circuits don't seem to have a resistor and it is my
understanding that you change the frequency of the crystal by having
different series resistances, listed here:
http://rocky.digikey.com/WebLib/Epson/Web Data/C-2-TYPE,C-TYPE.pdf
does anyone have an example circuit I can use with this crystal? i
dont think i can use a parallel resonance circuit with it because of
the 6pF to infinity statement.
this is the only place i've seen with series resonance:
http://www.geocities.com/SiliconValley/Peaks/3938/uexosc.htm
but i don't understand how to select my frequency of oscillation or
the purpose of the op amps at the end.