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Mohican question, capacitors.
01-21-2016, 05:21 PM
Post: #15
RE: Oscilliscope question
After examining the audio amp circuit on p.9 of the manual I'd like to offer another solution. Replace C59 with an alternate value cap to maintain the RC time constant of the cap and speaker impedance. So for a 16 ohm speaker, the alternate value would be (50uF * 35 ohms)/16 ohms = 109uF, so a 100uF cap would come close to maintaining the original RC time constant.

Note that the phone jack expects headphones of the same impedance as the speaker.

Dave
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Messages In This Thread
RE: Oscilliscope question - Garth Wilson - 01-21-2016, 05:49 AM
RE: Oscilliscope question - walter b - 01-21-2016, 09:55 AM
RE: Oscilliscope question - jebem - 01-21-2016, 05:16 PM
RE: Oscilliscope question - Dave Frederickson - 01-21-2016 05:21 PM
RE: Oscilliscope question - rprosperi - 01-21-2016, 11:51 PM
RE: Oscilliscope question - Steve Simpkin - 01-22-2016, 04:15 AM
RE: Oscilliscope question - jebem - 01-21-2016, 06:27 PM
RE: Oscilliscope question - Garth Wilson - 01-22-2016, 02:10 AM
RE: Oscilliscope question - vk6ti - 01-22-2016, 09:30 AM
RE: Oscilliscope question - jebem - 01-22-2016, 10:29 AM
RE: Oscilliscope question - jebem - 01-22-2016, 08:46 PM
RE: Mohican question, capacitors. - vk6ti - 01-23-2016, 12:14 AM
RE: Mohican question, capacitors. - jebem - 01-23-2016, 07:55 AM
RE: Mohican question, capacitors. - jebem - 01-23-2016, 07:53 PM



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