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RE: Infrared Transmitter
- To: ukha_d@xxxxxxx
- Subject: RE: Infrared Transmitter
- From: nigel@xxxxxxx
- Date: Wed, 06 Dec 2000 19:17:25 -0000 (GMT)
- Delivered-to: rich@xxxxxxx
- Delivered-to: mailing list ukha_d@xxxxxxx
- Mailing-list: list ukha_d@xxxxxxx; contact
ukha_d-owner@xxxxxxx
- Reply-to: ukha_d@xxxxxxx
On 05-Dec-2000 rj@xxxxxxx wrote:
> this info is perfect. thanks!!!!! will go over a few more things
> this week
> when I get a chance, I have got the zener diode the wrong way for a
> start.
That should be a good thing- it will have clamped the power supply
to the TSOP to 0.6V or so, so as long as the zener or resistor haven't
burnt out, you should be fine!
As a side note for the electronically curious, zener diodes
work as normal diodes if you connect them normally, but they 'break
down' in a nice way when the reverse voltage gets higher than it's
'zener voltage'. The result is a fairly well regulated supply, but it
is noisy (they're actually used as noise sources for some test
equipment!) compared to a 7805 or the like. Should be fine for the
TSOP though...
Nigel
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