[Ronja] Crystal Oscillator in Hertz

[Karel Kulhavy]

---- "A. B." <bio5 at hotmail.com> schrieb:
> 
> Hi,
> 
> I am trying to build the Hertz, yet I found something inconvenient, the Oscillator in the list is a Crystal one which as far as I know comes in two pin package only with no pin specified 

Two pin package is just the crystal - passive part without electronics.
Four pin package is crystal oscillator - contains the passive part and electronics.

You need the four pin one. If it's difficult to get you could get
some from some old 10Mbps network card.

for Vcc or Ground, yet according to the schematics the oscillator got at least 4 pins with two used, pin 4 as Vcc and 3 as output
> 
> so I would like to know if the ordinary crystal oscillator works or shall I look for a chip oscillator? and if I have to look for chip package what is the one I should use?

The package doesn't matter can be even SMD if it's not difficult
for you to solder.

Karel
> 
>  
> 
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