Hobby Electronics Basics

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need help with NAND datasheet

decoder page http://www.hynix.com/eng/02_products/03_flash/down/NAND%20Flash.pdf my 2 chips are hynix HY27US08281A - TP...
0 comments posted 20yrs
posted by gigabite1123
0 comments posted 20yrs posted by gigabite1123

Power amplifier matching circuits?

I'd like to design a 10W VHF P.A., but all I've ever designed were some LNAs and other low powered amplifiers. So now f...
6 comments posted 20yrs
posted by billcalley
6 comments posted 20yrs posted by billcalley

auto-sensing voltage switch

I need to find or design a circuit that detects the input line voltage (it will be either 110vac or 24vac), and then to...
4 comments posted 20yrs
posted by ronm
4 comments posted 20yrs posted by ronm

Shakelight reviews?

Is the Shakelight flashlight (which uses the Faraday principle instead of batteries) as good as I hear? Any drawbacks? I...
5 comments posted 20yrs
posted by emulemul
5 comments posted 20yrs posted by emulemul

Power conditioners and filters

Hi, Will a cheap filter clean up an AC waveform (remove most if not all noise) or do I need a real power conditioner? A...
2 comments posted 20yrs
posted by newspaper.20.broom
2 comments posted 20yrs posted by newspaper.20.broom

- Help Pls - Ripple Tank

Could anyone please give me an idea on how to build a motor that can generate water waves for a ripple tank apparatus?...
3 comments posted 20yrs
posted by jsdmnd
3 comments posted 20yrs posted by jsdmnd

How good is ETL safety certification?

I see appliances being sold now that lack UL or CSA approval markings and instead are only ETL certified. How good is E...
30 comments posted 20yrs
posted by larrymoencurly
30 comments posted 20yrs posted by larrymoencurly

opamp

why the input resistance and output resistance of opamp is high(or infinite) and low(or zero) respectively? wat is the...
5 comments posted 20yrs
posted by raghujindia
5 comments posted 20yrs posted by raghujindia

Estimating Speaker Power Rating

I've been wanting to build a guitar amp for some time now. When I found an amp case with 12" speaker at the swap meet g...
4 comments posted 20yrs
posted by KiwiXPlant
4 comments posted 20yrs posted by KiwiXPlant

An Absolute Beginner With A Few Questions

Hey, everybody! I figured the best place to get my feet wet was with one of those electronic kits like Radio Shack sell...
22 comments posted 20yrs
posted by peterg
22 comments posted 20yrs posted by peterg

2's Complement Multiply with Constant

Hi all, I have 2's Complement digit range from negtive to positive. How to multiply it with a constant? Now, I have to...
5 comments posted 20yrs
posted by zhushenli
5 comments posted 20yrs posted by zhushenli

Dopler shift

My question is the following. What is Dopler Shift
7 comments posted 20yrs
posted by papageorgiou40
7 comments posted 20yrs posted by papageorgiou40

What is conversion factor?

Merry Christmas and a Happy New Year! I was reading a datasheet from Philips and I encountered this: "The demodulator i...
5 comments posted 20yrs
posted by mr.whatever
5 comments posted 20yrs posted by mr.whatever

rearrange batteries with relays?

Surely there must be a name for this subject.... an array of contactors in a row and column arrangement of 12 batteries...
8 comments posted 20yrs
posted by bobgardner
8 comments posted 20yrs posted by bobgardner