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Tantalums are really good when used properly. 1) ESR / ripple current rating MUST not be exceeded, creates internal self heating that will lead to internal shorts. 2) Use them for high frequency, low

As pointed out by others, there are times and places when (at least you think) you need to make a floating measurement (independent of the local ground.) I’ve done this with mapping sonars that are

Agree with Jeff for 422 AC, just look around hardware and you might find one to fit without trimming. I trimmed a couple extension cords for mine.

A hot chassis can also be caused by RF filter capacitors connected from each side of the line to the chassis. I would be much more suspicious of these if they exist in the 453 than of the

Hi all, I acquired a 453 in the spring, which had the ground lug sawed off!? This must surely be a "thing"... I replaced the cord. Phil

One time I picked up a pallet of 465s from an industrial repair service. All of them had the ground pin cut off. Paul -- Paul Amaranth, GCIH | Rochester MI, USA Aurora Group, Inc. | Security, Systems

To get rid of interference loops. If two or more grounded instruments are connected together via a signal cable, the resulting loop picks up mains frequency interference (or double frequency - 100Hz

On Wed, Aug 15, 2018 at 03:04 AM, F4GNY wrote: > > Hello Graig, > > > Just done, yes its strange ?? > > Does something can explain such this action ? > > Thank > > Regards > > Alain > > > > > Le

Hello Graig, Just done, yes its strange ?? Does something can explain such this action ? Thank Regards Alain

That would be typical if the chassis is ungrounded. Capacitance between the primary and shield (which is connected to the chassis) in the mains transformer will cause this. First thing to do is

Hello Folks, Ive trouble on my 453, I discover that AC voltage is running on chassis +/- 75V ......... I opened the main plug and the ground pin was unconnected. Does anyone experienced the same

Funny coincidence as I was out in the garage yesterday and saw my hedge trimmer cord. 10 seconds with my pocket knife and I now have a 50' power cord! Thanks everyone for replying.

The non AC/DC version of a 422 needs the same kind of cord as most weed whackers n shit. I have had a few where I had to trim the edges a bit but they connect and they are safe. Some brands f them you

That sort of imprecise clicking thing normally is easy to correct by loosening the B knob, carefully adjusting the angle of the knob against the A knob, fastening it and repeating if necessary. You do

You may be right about the assembly error, as the B time-base knob is a little imprecise in operation and doesn't seem to quite click into its detents cleanly. However, I have now checked both the A

Hi Colin, Do you know if the time base speeds of A and B correspond to those indicated on the knobs? Did you try observing waveforms with both A and B? I'm thinking you may have made an assembly

Hi Raymond, I probably didn't express myself clearly enough. The situation with regard to the horizontal display buttons is this: 1) A is fine and does what it should. 2) MIX shows both time-bases,

Colin, Not sure if I understand exactly what you mean: The "A" part of the trace (that's the part movable by the delay setting) is supposed to be intensified, not the "B" part. Are you sure "B ends A"

Hi, I removed both the Trig & Sweep Logic board and the Timing board. I could then remove the shielding covering the cams and the cam assemblies themselves carefully. I then extracted the appropriate

A direct link for those interested. http://www.ko4bb.com/getsimple/index.php?id=manuals&dir=Tektronix --Toby