Electronics Forum / Electronics / July 2007

We live in the bush, and digital broadcasting is new. For years we have had
satisfactory VHF and UHF TV reception from a two-piece antenna  ( a wide one
and a skinny one connected via a junction box.). The FM receiver is also
connected to this antenna and is satisfactory as well, ...

Have a strange question here, Im looking to achieve the effect of a
£300-£1300 device with a budget of only £120.
Ok im seen that there are some gass powered soldering irons by weller
that have a "hot air nozel" attachment. now I fond that they state a

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G'day everyone,
about to replace the crappy old antenna at the farm and being halfway
between Toowoomba, Warwick and Brisbane, I'm miles from most of the good
signals. I've been rotating the antenna array (UHF and 2 different VHF

I have a CRT TV, eight years old, which has provision for S-Video input. I
have a Yamaha surround-sound amp which I use to switch, amongst other
things, the video signal from DVD, STB, analogue TV and VCR. The Yamaha has
provision for component output but not for S-Video output. Is ...

I am a student of ME. I am doing my final year project on
piezoelectric in shoes. Piezoelectric is located in shoes, while
walking, piezoelectric compressed and it generates an electric signal.
this electric signal is stored in capacitor in other words, this

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Is it recommended for my new TV and sound system, or just another rippoff.?

I'm rather new to the electronics scene (asolutely fascinates me!) and
was wondering where you could buy electronic components such as CPU's,
EEPROMs, RAM, 74 TTL chips and other such things in Paris, France. If
you think I should of posted this in another group, just tell me and

I have a Pabst 4414F axial fan with the following description:
"Electronically commutated external rotor motor. Fully integrated
commutation electronics."
Does this mean that it is a brushless fan???

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AF-2 120W-250W MOSFET Power Mono Amplifier ( 6 lbs.) 89.80 114.80
I bought a MOSFET at markvelectronics.com, but the advertised part is
still posted for $89.80. Are they out of business??? (
http://www.markvelectronics.com/store/ )

Greetings all,
 Perhaps I'm just getting old, and losing my powers of concentration (if I ever had them), but the analysis of the circuit shown below eludes me. This is a work-related test fixture where I must set a test current and test voltage external to the device under test, ...

I need to separate out the vertical and horizontal sync signals from a
composite sync output, what's the easiest way to do this? I assume
that there is a simple circuit which would do the job?
Thanks