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'[EE] A little more help with parts?'
2006\03\16@160604 by Bill Kuncicky

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I'm trying to get together a parts list for building some of the boards
for the Nigel Goodwin tutorial at winpicprog.co.uk but am having a small
problem trying to locate some of the parts.  The schematic for the "IR
Board" is shown below, but there is not enough identification of "IR1"
and "IR2" for me to know what to order.  The semiconductor labeled
TFMS5360 seems straightforward enough, except that neither Digikey nor
Mouser nor Jameco seem to carry such a part.  I googled it, and it is a
"Photo Module for PCM Remote Control System," made by Temic
Semiconductors.  But I cannot seem to locate any.  I did find some
references that indicated that it may be an obsolete part, but no
mention of what a replacement might be.

So if someone could advise me regarding IR1, IR2 (the same thing, I
suppose), and the TFMS5360 I would be humbly appreciative.

Thanks,
Bill




2006\03\16@161844 by Bill Kuncicky

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part 0 44 bytes
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part 1 3867 bytes content-type:multipart/related; (decoded base64)

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2006\03\16@162613 by Jinx

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> So if someone could advise me regarding IR1, IR2 (the same thing, I
> suppose), and the TFMS5360 I would be humbly appreciative.

Function looks very similar to

Sharp IS1U60
Temic TSOP1738
Temic TSOP1838

2006\03\16@165629 by Wouter van Ooijen

face picon face
> The semiconductor labeled
> TFMS5360 seems straightforward enough, except that neither
> Digikey nor
> Mouser nor Jameco seem to carry such a part.  I googled it,
> and it is a
> "Photo Module for PCM Remote Control System," made by Temic
> Semiconductors.  But I cannot seem to locate any.  I did find some
> references that indicated that it may be an obsolete part, but no
> mention of what a replacement might be.

Of course [ :) ] I sell exactly that one:
http://www.voti.nl/shop/p/IR-TFM-5360.html. But I think you can use any
36kHz IR receiver, in Europe the TSOP's are common (TSOP1736) , in the
USA probably the sony types.

Wouter van Ooijen

-- -------------------------------------------
Van Ooijen Technische Informatica: http://www.voti.nl
consultancy, development, PICmicro products
docent Hogeschool van Utrecht: http://www.voti.nl/hvu


2006\03\16@230033 by William Chops Westfield
face picon face

On Mar 16, 2006, at 1:06 PM, Bill Kuncicky wrote:

> So if someone could advise me regarding IR1, IR2 (the same thing, I
> suppose), and the TFMS5360 I would be humbly appreciative.
>
IR1 and IR2 are generic Infrared LEDs.
The TFMS5360 is a generic 3-pin IRRC receive module.  If you're
ordering from digikey, one of the Sharp GP1U... series will work.
The 5360 is a 36KHz part, but a 38KHz receiver like digikey sells
will most likely work fine (they're annoyingly insensitive, probably
because the RC transmitters tend to have poor clocks...)

You remember my PC layouts for the Goodwin boards.  Still untested,
but perhaps useful...
   http://www.geocities.com/westfw/comp.htm

BillW

2006\03\16@233822 by Vasile Surducan

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On 3/17/06, William Chops Westfield <spam_OUTwestfwTakeThisOuTspammac.com> wrote:
>
> On Mar 16, 2006, at 1:06 PM, Bill Kuncicky wrote:
>
> > So if someone could advise me regarding IR1, IR2 (the same thing, I
> > suppose), and the TFMS5360 I would be humbly appreciative.
> >
> IR1 and IR2 are generic Infrared LEDs.
> The TFMS5360 is a generic 3-pin IRRC receive module.  If you're
> ordering from digikey, one of the Sharp GP1U... series will work.
> The 5360 is a 36KHz part, but a 38KHz receiver like digikey sells
> will most likely work fine (they're annoyingly insensitive, probably
> because the RC transmitters tend to have poor clocks...)

Bill, if you change a 36KHz with a 38KHz receiver, keeping the 36.0KHz
on clock transmitter, the amplidude of the received signal decrease
dramaticaly. It will not works at long distances (10-12m) without
tuning.

greetings,
Vasile

2006\03\17@012848 by William Chops Westfield

face picon face

On Mar 16, 2006, at 8:38 PM, Vasile Surducan wrote:

>> he 5360 is a 36KHz part, but a 38KHz receiver like digikey sells
>> will most likely work fine (they're annoyingly insensitive, probably
>> because the RC transmitters tend to have poor clocks...)
>
> if you change a 36KHz with a 38KHz receiver, keeping the 36.0KHz
> on clock transmitter, the amplidude of the received signal decrease
> dramaticaly.

Hmm.  Looking at the datasheet for the GP1U series, it looks as
though sensitivity is not much lower at 36kHz for a 38kHz part
<http://www.ortodoxism.ro/datasheets/Sharp/mXtxqus.pdf>  OTOH,
the 5360 page shows a much steeper curve.  Or I could be reading
the datasheet wrong; the sharp datasheet Y scale claims to be in dB,
which would (might?) make it more logarithmic than I thought...

BillW

2006\03\17@031819 by Vasile Surducan

face picon face
On 3/17/06, William Chops Westfield <.....westfwKILLspamspam@spam@mac.com> wrote:
>
> On Mar 16, 2006, at 8:38 PM, Vasile Surducan wrote:
>
> >> he 5360 is a 36KHz part, but a 38KHz receiver like digikey sells
> >> will most likely work fine (they're annoyingly insensitive, probably
> >> because the RC transmitters tend to have poor clocks...)
> >
> > if you change a 36KHz with a 38KHz receiver, keeping the 36.0KHz
> > on clock transmitter, the amplidude of the received signal decrease
> > dramaticaly.
>
> Hmm.  Looking at the datasheet for the GP1U series, it looks as
> though sensitivity is not much lower at 36kHz for a 38kHz part
> <http://www.ortodoxism.ro/datasheets/Sharp/mXtxqus.pdf>


BTW, do you know where is ortodoxism.ro ?


OTOH,
> the 5360 page shows a much steeper curve.  Or I could be reading
> the datasheet wrong; the sharp datasheet Y scale claims to be in dB,
> which would (might?) make it more logarithmic than I thought...

3dB = half from the analogic signal amplitude.

best,
Vasile

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