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Testing a pm dc motor

180 vdc, 1 hp, pm motor. with dmm what should be the first tests? motor is in a difficult location to examine visually...
8 comments posted 11yrs
posted by pconners98
8 comments posted 11yrs posted by pconners98

Looking for a schematic/suggestions

The goal: A power supply that outputs a solidly regulated +5.0VDC at 500+mA under load, fed from a ridiculously variabl...
4 comments posted 11yrs
posted by dakidd
4 comments posted 11yrs posted by dakidd

Op-amp differential amplifier

Op-amp differential amplifier has much wider range of input signals comparing to differential amplifier with discrete c...
0 comments posted 11yrs
posted by pchung705
0 comments posted 11yrs posted by pchung705

CATV RF Notch Filter

Hi, I am looking for a source where I can buy an RF notch filter for CATV. One source I found via Google is tinlee.com...
3 comments posted 11yrs
posted by jaugustine
3 comments posted 11yrs posted by jaugustine

Of battery terminals & grease

There are some members of electronic forums that suggest coating automotive battery posts with grease ("any king--axle,...
6 comments posted 11yrs
posted by fbt
6 comments posted 11yrs posted by fbt

Comcast Digital Cable Frequencies Chart

Hi, I did a Google search for Comcast digital cable frequencies spectrum chart ("comcast digital cable"+"frequecies spe...
7 comments posted 11yrs
posted by jaugustine
7 comments posted 11yrs posted by jaugustine

Use Fitbit Offline

Hello, everyone. One of my Xmas gifts was a Fitbit Flex wristband. I haven't set it up yet but it appears you must go o...
0 comments posted 11yrs
posted by arl_123234
0 comments posted 11yrs posted by arl_123234

Glass Capacitors & Tantalum Capacitors for Sale

Glass Capacitors & Tantalum Capacitors for Sale Richard Maxwell (818)399-1158 text your message or call me snipped-for-p...
0 comments posted 11yrs
posted by richardmaxwell1958
0 comments posted 11yrs posted by richardmaxwell1958

Lithium battery capacities (18650).

Having discovered that recycling bins in various shops are a good source of lithium battery packs that can be put to va...
2 comments posted 11yrs
posted by gangprobing.alien
2 comments posted 11yrs posted by gangprobing.alien

New Article

Hi ! I have published an article about the old 186. You can find it under my home-page at http://polutropon.it See you D...
0 comments posted 11yrs
posted by dario_tratzi
0 comments posted 11yrs posted by dario_tratzi

Op-amp voltage offset cancellation

Combination of one fast op-amp with large slew rate and large voltage offse t with one op-amp with small slew rate and...
0 comments posted 11yrs
posted by pchung705
0 comments posted 11yrs posted by pchung705