T&L Publications

Hi Daniel.
What about using a power transformer with multi tap primaries and feeding 120 into the 240 primary, to use it as an autotransformer; then half rectifying the ~60 AC...?
You could drop some volts with a series Zener too...would be well ventilated...
Regards,
Miguel

Hi Daniel. Try an elegant approach with an interesting gyrator circuit. Fakes an inductor with a capacitor. It's not as simple as a single inductor but it is not as massive either. The full wave rectification on the circuit here can be instead a single rectifier as you propose :<p> http://www.mitedu...

Hi Al.
DigiKey sells Panasonic in many flavors. Littelfuse should have them too, as suggested above.
Miguel

Please allow my spoon in your plate... How does an electrical power meter knows if it is day or night to change consumption rate fares? I have seen this mentioned several times. And as opinion, spent nuclear fuel would mean costs of sending it to on a collision course to the sun via spaceships to ke...

Hello.
Not from RadioShack, but one of few places offering simple kits is here:<p>http://www.goldmine-elec.com/Kits.htm<p>Enjoy,
Miguel

Hi !
You can canibalize a defunct floppy drive or a CD player for the screw drive motor that positions the head.
It does have over an inch of travel.
But would need polarity reversal to retract.
Miguel

Hi BobsRAC<p>I have no clue why you may want to transfer the power efficiently.
What has to be done here is exactly the opposite; to dissipate the extra line level power of about 0dBm to get about the -40 dBm micropower the microphone input needs.<p>Miguel

Hi Kim. Connect ANY potentiometer extreme terminals to the line level source. Connect the wiper terminal and common ground to the microphone input jack. Near one extreme of rotation, when the wiper is almost ground, the voltage division will match levels. If you want to replace it with 2 fixed resis...

Hello Douglas. Well, let's see if I understand. When you listen to playback on track 1, and you feed external audio to record on track 2, a mixture of the play and the record audio gets to the ¿MONO? headphone. I believe there may be a switch somewhere to make the 1/4" input jack mono when ther...

Hi Douglas. Nothing conclusive so far, as this site http://www.tascam.com/pdf/Porta_02_manual.pdf does not show your exact model manual. I went trough the ...02 manual, (which is not the same as yours) and the ...02 model does not allow track bouncing, and seems the ...02 model is to be used as a in...

Hello Douglas. Something is not making sense in your specifications list, showing on the line out "input levels". Does your recorder has FOUR recording/play selector switches to select each track mode; and 4 rca inputs, 4 rca outputs, 4 VU meters, 4 recording level controls ? If not, you m...

Hello Robert.<p>Check if there is a potentiometer or resistor trimmer on the circuit. If so, try to reverse engineer that portion schematic diagram to confirm such trimmer does set the output voltage and check its operating range. If the range is not enough to come down to 13 V, try changing the ref...

And aren't YOU stealing the idea from somebody else ?<p>And do not come up with any other 'brilliant' reply about NUTS&Volts being also a mechanical stuff because of the NUTS and the GEAR in the logo at top of this forum.<p>And we do not need to know about your drinking problems and needs to fee...

Enough of it.
I did not want to get close to the issue, but it's time now.
And if you want an eccentic flywheel, a kid can tell you that sawing off a portion of a pulley will do it. And if you cannot saw, drill a hole away from the center.
And end your crap subject.
Miguel

Hi James.
Tip is left; ring is right; sleeve is common ground.
Miguel