General - Equipment

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Thread	Last Post	Replies

HP8443A Tracking Generator Counter	29 Mar 2006 21:54 GMT	2
I would very much like to hear from anyone who has had any experience in repairing the HP8443A as I'm looking for a few pointers, source of spares, etc. I have one in good condition except for a fault in the ALC/Video Amp (A8) - possibly either the
Systron Donner item for Motorola	29 Mar 2006 15:52 GMT	4
I'm looking for the operator as well as and in particular - Service Manual - for a Systron Donner made item. It was made for Motorola. It is a Frequency Counter/Deviation Meter. The tag on back with the Systron Donner name on it says model #SLN6418A 75. On the inside at the ...
S: Schematic/manual for Heath AV-3 Audio VTVM	28 Mar 2006 18:38 GMT	2
I'm looking for the schematic and/or manual of a Heath AV-3 Audio VTVM. Preferably PDF. (Yes I know, there are not _that_ many parts inside, but I prefer to have the original schematic instead of reverse-engineering it ;-)
Probing terminal strips	28 Mar 2006 00:40 GMT	5
Whether with scope probe or DMM sticks, I have trouble getting a reliable connection to terminal strips. With a crimp terminal stuffed under a round-head screw, and shrink covering the terminal's shank, there's not much to clip onto, especially with an alligator clip.
Big soldering irons don't run hotter?	26 Mar 2006 19:31 GMT	33
I had always lived in the belief that a 15W soldering iron ran cooler than a 35W iron but recently I read something which said they both run at the same temp. Presumably the real difference is the speed at which the iron reheats
Re: Power supply design ? - continued	25 Mar 2006 23:58 GMT	1
"CLFE" <Junkmail@CLFURENT.COM> wrote in message news:... >I am wondering about the design of a particular power supply. I started >trying to skip around the issue at hand, but got busy with other things - >thus the PS project got shoved to the back burner.
to know about HVDC	25 Mar 2006 08:16 GMT	1
what is meant by HVDC?explain it?
How isolate two earths on electronic equipment?	24 Mar 2006 07:45 GMT	7
I am in the UK. I want to know how to reduce hum & buzz when connecting two items together. -------- I have two pieces of electronic equipment (a PC and a tape
Scope bandwidth limitation - amp or crt?	23 Mar 2006 22:51 GMT	25
Just curious, in cheap analog scopes (a mid-90's vintage 20 mhz unit labeled by JDR micro) what is the main source of bandwidth restriction - the vertical amplifier or the crt itself? If one built a better amp, one presumably able to slew the capacitance
Homebrew SMT rework tool (hot air pencil)	22 Mar 2006 17:50 GMT	1
There are a number of examples of homemade SMT rework tools on the Web but I didn't find one that met our cost and performance requirements so I cooked up this one and hope that its design can be useful to hobbyists and cost-
Vibration testing	22 Mar 2006 06:31 GMT	1
Does anyone know what are the standards for environment testing for electronics equipment? In particular we want to test a controller box for use in a bus. Australian standards would be most preferred.
Repairing a TV remote control - new LED	22 Mar 2006 06:13 GMT	35
Apart from cleaning my TV remote control (see other thread) I would like to put in a more powerful infrared LED The remote control is about 10 to 15 years old. The spec is below. Note that I am in the UK.
Technique: wire preparation for a terminal block	21 Mar 2006 22:47 GMT	12
Back to basics here guys. I am referring to a terminal strip like this. http://www.ledlight.dk/images/samlemuffe400x320.jpg It may be 3 amp or 5 amp or something similar to that sort of low
Need Service manual for Anritsu MS610B	21 Mar 2006 21:44 GMT	1
Looking to buy a service manula or PDF copy of one would be fine. Thanks WB6AJE John
Global Specialties 6000 frequency counter	21 Mar 2006 15:01 GMT	3
My Global Specialties 6000 frequency counter counter died on me, it powers up, but does not count. I wonder if anyone has a manual/schematics and could guide me through the repair. I looked around and found no documentation available.