Electronics Forum / Equipment / October 2003

Hi....recently I picked up an old Tek 475 200Mhz scope not working
I managed to get a full service manual for it but have had no luck getting
it running.
The +50 Volt rail  (which I belive all other rails are derived from) is

Can any one know about where to get not so expensive stroboscope and its light?
Website will do.
I'm appreciate with your replies.
Thanks,

Can anyone help me repair an old Gould OS260 oscilloscope?
Really, I need a circuit diagram or service manual. This is the first
'scope I have tried to repair, I could really do with a second one so
please help me get it going :-)

Hello, I´m looking for information about Radiofrequency identification
systems, equipment and development. I am mostly interested in systems
used in Electronic Toll Collection used in highways. I would like to
implement something like that for monitoring vehicles within a city.

For auction:  AES-11 Computer Embedded Controller
Elctronic, Computers, Sciences & Engineering books
http://members.ebay.com/aboutme/mannorm/
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What kind of test equipment would be helpful in an arcade? I have little
knowledge of being a technician, but I went to school for electrical
engineering. I have a multimeter, a current clamp, and a dual channel
oscilloscope. I don't have much experience in their use in ...

     i am designing a robot along the many functionalities, one of
     the hard things to do is its voice direction detection module
     which would detect direction of the voice of some person, and
     comes towards the person.

Does anybody offer electronics classes at the high school level
anywhere, besides here in British Columbia?  It is offered in 300 of
the 360 high schools in the province as an elective in the "tech ed"
industrial ed programs.  We even have a standard curriculum for the

I have a simple question (for you but not for me) related with a
polarity relay controlled by GPIB.
The situation is as follows: We want to do a measurement with DC bias
scanning from positive to negative voltage (loop measurement).

   I have a multimeter HP3466A that comes from USA and works at 110v. I
want to change it so it can work at 220v. On the back side it sais "See the
manual to change voltage". I have looked inside and there is 4 resistors
labeled HI, LO, 110v and 220v. The place for LO and 220v are ...

Hi there i have a small problem.
I have a CD/MP3/VCD player, everything was ok till one day when the
Anti-shock disappeared.
I went to my friend who sad that it just needs to be attuned, there is

For Sale:
I-DEAS Master Series Mechanical Engineering software from SDRC (now EDS).
SDRC I-DEAS Master Series software, engineering package, with 1 seat of
engineering and 2 seats of drafting.

The Hakko 192 measures tip temperature, leak voltage, and  tip-to-ground
resistance.
    True root-mean-square values are measured and displayed.  Resistant
to drift and ambient temperature variations, ensuring  highly reliable

15" TFT LCD Panel-Mount Color Monitor, Cyber Research MPC 15-T Model #
FPD-38A, with optional analog resistive touchscreen.
Sized to fit a standard 19" rack.
Used for 2 minutes to test operation.

What is the difference between a torx, a hex, and a star* bit?
Thanks a lot,
Ting