| Electronics > Beginners |
| 555 or Op-amp? |
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| Kilroywashere:
Hello world! Just a quick one I guess I have been in to function gen's recently, and I want to build one. Feels like a good project to do for a beginner, my question is I have like tonz of 555 timers and a handful of op-amps. I seen a 555 square wave gen 1hz-100khz I assume that's not alot right? i assume an op-amp is better for this sort of thing right? I find alot more designs with op amps and not too much with 555 timers .... I dont know alot about Hertz and i think this will help me understand a little better like Whats faster mhz or hz? anyway...I know im dumb but someone will help me understand some stuff right? :horse: |
| james_s:
Sounds like you've got some reading to do. Do you have any books on basic electronics? 1MHz is 1,000,000 Hz. |
| beanflying:
Try this one of Alan's videos for a start as you have some Opamps and 555's to play with. Also do watch a bunch more of his AAA+ rated. This will help you with your own playing/learning on the bench. Some on this search for example https://www.youtube.com/user/w2aew/search?query=generators https://youtu.be/Kqb5zcrgv7s When you are ready for something a bit more complete try Scullcom Hobby's videos. The IC it is based on is a fun one to play with on a breadboard at lower frequencies (Breadboads SUCK at higher frequencies!) Pt1 and Pt2 and also a more recent version MKII. https://youtu.be/D3OGcUU1oGE |
| Kilroywashere:
You know it ... and yeah i got a few books ... i have a learning disability so sometimes it just does not sink it ya know? ask me about gas fitting and im your man... i mean im not a dumb guy it just takes a good teacher for me to understand ... i grasp alot of things but yeah anyway.... besides the point .... |
| Kilroywashere:
Oh wow this looks great!!! Ill look in to this ! Thank you so much! |
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