with 5v to LM555 , how to reduce the output to 10mV? a simple resistive attenuator will do?
R renju Dec 9, 2013 3 Joined Dec 9, 2013 Messages 3 Dec 9, 2013 #1 with 5v to LM555 , how to reduce the output to 10mV? a simple resistive attenuator will do?
(*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator Jan 21, 2010 25,510 Joined Jan 21, 2010 Messages 25,510 Dec 9, 2013 #2 Yes, but we have to ask why. It's a very unusual thing to want to do.
R renju Dec 9, 2013 3 Joined Dec 9, 2013 Messages 3 Dec 9, 2013 #3 LM555 bcos my circuit needs only mV range of sinewave...
jpanhalt Nov 12, 2013 426 Joined Nov 12, 2013 Messages 426 Dec 9, 2013 #4 A 555 oscillator won't give you a sine wave. You may find these application notes helpful: http://www.ti.com/lit/an/snoa665c/snoa665c.pdf http://www.ti.com/lit/an/sloa060/sloa060.pdf John Last edited: Dec 9, 2013
A 555 oscillator won't give you a sine wave. You may find these application notes helpful: http://www.ti.com/lit/an/snoa665c/snoa665c.pdf http://www.ti.com/lit/an/sloa060/sloa060.pdf John
duke37 Jan 9, 2011 5,364 Joined Jan 9, 2011 Messages 5,364 Dec 9, 2013 #5 A approximation to a sine wave could be achieved by using a few stages of attenuation each stage using a series resistor and a parallel capacitor. The effect would change if the frequency changes.
A approximation to a sine wave could be achieved by using a few stages of attenuation each stage using a series resistor and a parallel capacitor. The effect would change if the frequency changes.