Astable Multivibrator: Difference between revisions
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Adamcolton (talk | contribs) Created page with "http://www.electronics-tutorials.ws/waveforms/astable.html Category:Electronics Category:Projects" |
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http://www.electronics-tutorials.ws/waveforms/astable.html | http://www.electronics-tutorials.ws/waveforms/astable.html | ||
Good oscillator circuit. It looks like R1 and R4 don't really matter, they generally seem pretty low (~500Ω). | |||
T = t1 + t2 | |||
tx = 0.69*Cn*Rn | |||
http://www.sentex.ca/~mec1995/tutorial/xtor/xtor7/xtor7.html | |||
http://www.nutsvolts.com/magazine/article/bipolar_transistor_cookbook_part_6 | |||
For an electronic dog whistle, use 22uF and 3.3KΩ | |||
[[Category:Electronics]] | [[Category:Electronics]] | ||
Latest revision as of 14:14, 25 February 2019
http://www.electronics-tutorials.ws/waveforms/astable.html
Good oscillator circuit. It looks like R1 and R4 don't really matter, they generally seem pretty low (~500Ω).
T = t1 + t2 tx = 0.69*Cn*Rn
http://www.sentex.ca/~mec1995/tutorial/xtor/xtor7/xtor7.html
http://www.nutsvolts.com/magazine/article/bipolar_transistor_cookbook_part_6
For an electronic dog whistle, use 22uF and 3.3KΩ