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Mechanical Rotary Encoder ID?

Need help on some information for this part: 9749 MAL 51290 Pana JAPAN desc: looks like it's a mechanical rotary encoder...
0 comments posted 21yrs
posted by the_analog_kid
0 comments posted 21yrs posted by the_analog_kid

Running 120v 60hz motors on 120v 50hz

I recently did a test with a box fan plugged in to a ups on battery mode. I was able to get the ups to produce 120v 60h...
0 comments posted 21yrs
posted by mrgrahamm
0 comments posted 21yrs posted by mrgrahamm

bathroom scale hysteresis

Sneaky scales fudge weights deliberately. I suspect that many modern, microprocessor -controlled bathroom scales have p...
40 comments posted 21yrs
posted by john.ruckstuhl
40 comments posted 21yrs posted by john.ruckstuhl

connecting primaries

Hi, If you have a mains transformer with two primaries and you connect them in parallel but in anti-phase, do you get a...
6 comments posted 21yrs
posted by sound.service
6 comments posted 21yrs posted by sound.service

0 - 1 Mhz Power Amplifer 12 Volts 10A

Hi, I need a power amplifier with sensitity from 1 Hz to 1 Mhz. It should run on 12 volts car battery DC because I don'...
0 comments posted 21yrs
posted by lpln117
0 comments posted 21yrs posted by lpln117

Cancelling bar magnet magnetic fields?

A wire carrying DC has static field.. similar to the one in bar magnets. How come when you put two parallel wires toget...
2 comments posted 21yrs
posted by lorrainewinters80
2 comments posted 21yrs posted by lorrainewinters80

DC supply & ripples

Hi, Does ordinary DC power supply produce ripples? What is the usual frequency and waveform shape (sine, square) of the...
2 comments posted 21yrs
posted by lorrainewinters80
2 comments posted 21yrs posted by lorrainewinters80

serial communication w/ the oopic microcontroler

I've been having quite a bit of trouble getting the oopic microcontroler to communicate with my computer. I have a LabV...
0 comments posted 21yrs
posted by panzer_iv
0 comments posted 21yrs posted by panzer_iv

How to make strong magnets?

I would appreciate if anyone can advise as to how to make magnets. I have an electronic engineering background, but hav...
10 comments posted 21yrs
posted by siliconmike
10 comments posted 21yrs posted by siliconmike

XR2206 ic vs normal func. gen

Hi, The sine waves in my XR2206 IC function generator started at 3 volts and varied from there to 5 volts and 1 volt. I...
3 comments posted 21yrs
posted by lorrainewinters80
3 comments posted 21yrs posted by lorrainewinters80

Power Amplifier Voltage & Current Level

Hi, How do you calculate the output voltage of a particular power amplifier model? They are most rated in watts such as...
6 comments posted 21yrs
posted by lorrainewinters80
6 comments posted 21yrs posted by lorrainewinters80

Transistor data?

I'm just hoping some kind soul can give me the data on a couple of transistors. 2SD587 and 2SB617 I've googled and goog...
4 comments posted 21yrs
posted by me
4 comments posted 21yrs posted by me

urgent need of datasheet :: HVD355B

I really want to find datasheet 'HVD355B' where can I find this datasheet and please recommend a site where I can find a...
5 comments posted 21yrs
posted by ssamlove79
5 comments posted 21yrs posted by ssamlove79

memory problem

i have an old computer mainboard and it boots to DOS fine. but there's only one problem. It always displays memory test...
1 comments posted 21yrs
posted by cheian07
1 comments posted 21yrs posted by cheian07