Astable and Monostable - Electronic Circuits Projects Diagrams Free

Eplanet · 25th October 2007, 05:58 PM

hello all
what is the difference between Astable and Monostable in 555?
thanks

audioguru · 25th October 2007, 06:15 PM

An astable is a continuous oscillation.
A monostable makes a single output pulse of a calculated duration when it is triggered by an external low-going input.

Eplanet · 25th October 2007, 06:35 PM

and bistable ?

ecerfoglio · 25th October 2007, 06:38 PM

Quote:

Originally Posted by Eplanet

and bistable ?

It has two possible states (high / low). It is another name of the "Flip flop" circuit

Sceadwian · 26th October 2007, 02:21 AM

More precisly bistable means either state is stable and a pulse changes it's state. flip flops come in so many different varieties as to be a completly different topic.

blueroomelectronics · 26th October 2007, 11:01 PM

Here's a good explanation, found with Google!
http://www.kpsec.freeuk.com/555timer.htm

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25th October 2007, 05:58 PM	#1
Eplanet	Astable and Monostable hello all what is the difference between Astable and Monostable in 555? thanks __________________ Take Locally Start Globally

25th October 2007, 06:15 PM	#2
audioguru	An astable is a continuous oscillation. A monostable makes a single output pulse of a calculated duration when it is triggered by an external low-going input. __________________ Uncle $crooge

25th October 2007, 06:35 PM	#3
Eplanet	and bistable ? __________________ Take Locally Start Globally

26th October 2007, 02:21 AM	#5
Sceadwian	More precisly bistable means either state is stable and a pulse changes it's state. flip flops come in so many different varieties as to be a completly different topic. __________________ "Because I be what I be. I would tell you what you want to know if I could, mum, but I be a cat, and no cat anywhere ever gave anyone a straight answer, har har."

26th October 2007, 11:01 PM	#6
blueroomelectronics	Here's a good explanation, found with Google! http://www.kpsec.freeuk.com/555timer.htm __________________ Bill Smart Kits build Smart People http://www.blueroomelectronics.com/