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You can use these IC as switches and control DC, AC as shown.
Hope u understand a micro or some kind of sensor replaces the push switch...
You can use a transistor . A transistor works like a switch. or you can also use amplifier ic .
Sometimes I am amased how much you guys post as a resonse with nothing to go at LOL
It's a gift....
The Irish are born with it, I believe...
All this time and I never knew you had Irish blood!
Well yes, I cut my hand rock climbing on Inishmore a delightful Aran island.
I voiced a desire to see a green Leprechaun and promptly stumbled and fell to the ground. My face 10 cm from a large brilliant green beetle...
Welcome to the finest race on Planet Earth (my wife is Irish) so I have to say that.
We have the same beetle here in Canada it is called the Emerald Mortician. It lays it's eggs in rotting corpses.
Another name for it is a cadaver beetle, there are a number of cadaver beetles sometimes called undertaker beetles, and some even bury small rodents and birds when they lay their eggs.
yes, by designing a circuit to use them. There are many choices.
Vague question => vague answer
I know this is not going to be of little help, but yes and no.
All logic ICs are switches, a OPamp is an IC and depending on how you wire it rail to rail it can act like a switch.
However you are asking for circuits that number in the millions.
So what IC do you want to use?
Do you mean to use it as a relay?
i suggest you use a switching transistor or MOSFET...its a far easy to use and cheap too..it can also handle range of voltages and currents
If you just trying to control power to something small, most any transistor will do the job, but if you want to switch an analog signal to something, a FET, analog switch, MUX, or in some cases, a relay is needed.
MOSFETs can be used in some cases for passing or isolating signals since they sorta-kinda act like electrically variable resistors, but realistically they have a few serious limitations because of the body diode and stuff for passing signals between the source and drain. I have a few TL601 and TL604 chips, which are quite nice but have a pretty high ON resistance.
For strictly AC signals, even simple DIODES can be used! You just capacitively couple the signal to the diode, so it looks like
-----| |----->|------| |------
and by applying a DC offset voltage to the diode, you can control the AC signal. W2AEW has a good video about this.
You usually use a transistor as a solidstate switch. If you're switching AC, you can use a thyristor or triac.
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