Electronics Equipment

How long intelligent charger remembers previous cells?

At home I charge my NiMH AA cells for everyday use. I have an rapid "intelligent charger" which senses delta-V and it m...

2 comments posted 20yrs

posted by no

2 comments posted 20yrs posted by no

Tektronix 453 trace way off-screen horizontally

Hi all, I recently got hold of an old Tektronix 453 oscilloscope. It seems to work just fine, but the trace seems to be...

0 comments posted 20yrs

posted by womei

0 comments posted 20yrs posted by womei

WTD: TEKTRONIX TDS544A Scope Cover

Anyone have a front cover for the TDS544A they will part with ? Thanks, Dick, W1KSZ

0 comments posted 20yrs

posted by w1ksz

0 comments posted 20yrs posted by w1ksz

system to record a voice from the other side of a window

Hello, I'm not a spy ;) I just want to design a message box to equip shop window. The microphone is fixed inside the sh...

1 comments posted 20yrs

posted by atlan.e

1 comments posted 20yrs posted by atlan.e

Troubleshooting SMPS intermittent - Tips request

Hello. I am attempting to track down an intermittent arc (I think, but not sure). My test equipment instrument has a cr...

0 comments posted 20yrs

posted by jflan

0 comments posted 20yrs posted by jflan

homebrewing projects

I have setup a homebrewing website with full project details. PCBs & kits in small quantities are also available. Proje...

0 comments posted 20yrs

posted by vu2fd

0 comments posted 20yrs posted by vu2fd

Tek Scope probe accessories

Hi, im in need of some clip attachments and spare ground leads for P6106 (standard/3.5mm) and P6136 (submini/2.5mm) pro...

4 comments posted 20yrs

posted by robert_ng

4 comments posted 20yrs posted by robert_ng

Tektronix AM503 current amplifier

Can anyone please email to me a copy of the AM503 current amplifier manual. It is not on the TEK website. Many thanks Jo...

1 comments posted 20yrs

posted by johnbscot

1 comments posted 20yrs posted by johnbscot

Anyone heard from Tom Gootee lately? (2025 Update)

Has anybody had any e-mail from Tom Gootee (of curve tracer fame --> http://www.fullnet.com/u/tomg/gooteect.htm) lately...

3 comments posted 20yrs

posted by JKolstad71HatesSpam

3 comments posted 20yrs posted by JKolstad71HatesSpam

Manual needed Belco BR-8 LCR

Hi, I have a Belco BR-8 LCR meter without manual and schematic. Can some owner copy a manual and/or schematic and mail...

0 comments posted 20yrs

posted by VMI

0 comments posted 20yrs posted by VMI

seeking user manual for scopex oscilloscope

I know this is a long shot but does anyone have or know where I might get a user manual for a Scopex 14D-15 oscilloscop...

4 comments posted 20yrs

posted by tg

4 comments posted 20yrs posted by tg

RV backup camera and 7 inch lcd screen

RV backup camera and 7 inch lcd screen I am looking for a source for a rv backup camera, and lcd screen. plus the variou...

1 comments posted 20yrs

posted by test

1 comments posted 20yrs posted by test

Racal Dana 9000 Schematics needed

Hello, i need schematics for this old counter. Especially the microprosseror unit and keyboard control with INS4003, INS...

0 comments posted 20yrs

posted by Zerogunner

0 comments posted 20yrs posted by Zerogunner

Tektronix 2235 grief

Was given a Tek 2235, option 2 (what's that?) in decent shape, with one problem. On both vertical channels, there is ma...

9 comments posted 20yrs

posted by BFoelsch

9 comments posted 20yrs posted by BFoelsch

GPIB Interface Chip - MC68488 Request

Hi.. Does anyone have one of these old parts in their junk box? I need one to add GPIB capability to my frequency counte...

1 comments posted 20yrs

posted by jflan

1 comments posted 20yrs posted by jflan