Electronics Forum / Electronics / April 2005

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Thanks.
Just trying to see if these google groups messages are really
blackholed by other newsgroup providers.

Has anyone seen this type of cable being sold here in Oz?
http://www.networktechinc.com/cable-cat5ef.html
TIA

hope i'm in the right place?
we have a panasonic tc-29v50a colour tv, and there is a problem with
the power switch section, the standby light won't come on and
operating the switch doesn't work. when we turn the power on at the

anyone know a good place to buy inductors from ? Supprised that Farnell
don't do much in 20uH.... Looking like I will have to wind my
own....again....
Cheers,

WANTED: 2sc793 - toshiba transistors
Just need 2... 4 preferably, to repair an old amp
Will pay etc
paul

I am looking for some personal recommendations from people for PCB prototype
manufacturers, who do you use ? My requirements are single layer , 5 pieces
a time 15 x 22cm and 12 x 14cm
Any links or pointers appreciated.

hi , i`m pretty sure i asked this some time ago , but i`ve forgotten,    i
want to run a   red 1 watt luxeon, and a  1 watt amber luxeon off  12 volts,
car battery.
what  value and wattage resister   would i need. or is there a formula for

I heard somewhere that the leads of common electronic components (resistors,
capacitors, transistors etc), such as you might buy from your local
electronic hobbyist
store, are tinned with a lead based alloy. Is this correct? Any help

http://members.aol.com/aanotes3/lec.jpg
I think I saw it (or something like it) on a cirquit diagram in the
1950s. Any idea which component it is? (I am not an electronics pro).
Thank you

I am interested in drawing power from an RS232 port so that it powers an
external circuit, only I am not too sure where to begin. The RS232 port
is not on the DTE side, but on the DCE side. I was able to measure
-7.59V DC and -25mA on the following PINs using a digital multimeter ...

I have a box of the above each neatly packaged into pairs but cannot find
any reliable info
they are branded motorola, made in Mexico and dated 7551 (51st week of
1975).

Greetings group.
Philips ctv model 25GX1886/75R.
Tv fell off its perch face first onto the floor (around 40cm).
Power switch assembly had been dislodged.

I have a laptop that just has mic in and line out sockets. If I want to
record from a line level source, what is needed to convert line level to mic
level so I can connect the line level source to the mic socket?
I presume each channel needs a potential divider:

have a HP1120 which is about 21" size ..(very nice tube..although has
slight burn marks on it)
anyway FAULT  ...too much screen backgrond brightness ... almost can see
the retrace lines ..all video signals there  ..but on a whiteish

I am looking for a diagram for a daytime light running module that will run the headlights at 50% in key on/run mode and 100% when the light switch is turned on.
thanks