Electronics Forum / Equipment / November 2005

Oscilloscopesmessageboard" <Oscilloscopesmessageboard@googlegroups.com
Oscilloscope: An electronic instrument that produces instantaneous
trace(s) on the screen of a cathode-ray tube or display corresponding
to oscillations of voltage or current presented to its input(s) over

When I have a pulse generator into channel 1 thru a 50-ohm feedthru I
see a damped ringing on channel 2 (1/delta-t ~190 MHz) even though I
don't have anything hooked up on channel 2.  When I hook up a PMT to
channel 2 thru a 50-ohm feedthru any response from the PMT is obscured

Hello
I'm looking for the schematic diagram/print layout (or the complete
manual) for my Kikusui cos5020 Oscilloscope.
I also have an old True RMS precision multimeter from Norma, model

Can anyone point me in the correct direction?
Is it a hardware or software option?
Thanks,
Mark

I'm looking for a data acquisition system, ideally a card to go in a PC but
I'll take whatever I can find (& pay what I have to!) which is just a bit -
or two - better than I can locate..........
Ideally I want 18 bits at at least 1.5MS/s; a bit faster, another bit would

We've got a problem in apartments that have been renovated. The
electricians sometimes run wires to outlets, etc. that they don't
connect to power or neutral. Is there a circuit tester that can trace
wires that are not connected?

Dual Trace Oscilloscope with delayed sweep
50mhz
includes some probes and manual.
excellent condition.  free ups shipping...

Hi all,
bought a PWM kit ( http://kitsrus.com/pdf/k67v3.pdf ), but put in an
IRF840 & a 630V .1uF cap to run a 108VDC (nom) motor with
rectified/filtered line voltage (~160VDC).

I have Bison Right Angle gearmotor(Part Number 026-756-4605 756 Series
PSC 115V/230V Dual Voltage/Dual Frequency ) . I intend to connect it
to a contactor or a starter to get a Forward rotation,Reverse rotation
and Stop . This contactor will be controlled by PLC.

Does anyone out there have an MSM5205 OKI speech chip I might buy.  I am
trying to repair an old Data East Pinball machine that has a bad sound board
and it looks to be the voice chip. It appears that this chip is extremely
obsolete and the only way I can get a hold of one is by ...

I have 3 ISA GPIB Cards for sale
2) National AT-GBIP /TNT     $25.00 each (shipping included)
1 ) CEC PC 488                       $15.00      (shipping included)
Frank

How to switch HP 8569B mains between 110/240V ?
Who has spare knobs (large tuning and small ones) ?
Thank. Dix
DL8XE

Power Supplies are all pulls from working computers. All power
supplies are tested and guaranteed to be fully working order and not
to be DOA. Save a bundle ! Compare my quoted prices to other Internet
prices from surplus Electronics Companies.

Anyone have one I can buy, borrow or ??
Thanks, Dick, W1KSZ

I'm urgently looking for the system software for Logic Analyzer
Fluke/Philips PM3580
Can anyone help me and send the images of
system disc 2.01