Hobby Electronics Basics

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Wireless RF

Are pretty much all modern transceiver IC's the same as far as the circuit? All the ones I have looked at recently use...
0 comments posted 17yrs
posted by Jon_Slaughter
0 comments posted 17yrs posted by Jon_Slaughter

EMI prevention / protection?

I'm using a wein bridge oscillator as an audio tone generator in a radio modem (~2kHz). Ironically, when the transmitte...
21 comments posted 17yrs
posted by dave.harper
21 comments posted 17yrs posted by dave.harper

Electricity in Europe

Was in Portugal last year with a 50 watt converter. Didn't work worth beans. Any chance I can buy a plug when Im over t...
5 comments posted 17yrs
posted by rickj
5 comments posted 17yrs posted by rickj

Calculating Capacitance

Hello I need to create a capacitive sensor with two sensing probes. How do i calculate the capacitance needed for my sen...
2 comments posted 17yrs
posted by mathew086
2 comments posted 17yrs posted by mathew086

Microwave oven transformers

Just scrapped another m.wave. Wasn't operating properly, was old, the display was faulty and what was showing was meani...
7 comments posted 17yrs
posted by tsanford
7 comments posted 17yrs posted by tsanford

Need a quick inductive ignition tester

To test a non-starting vehicle's distributor, I need an inductive ignition tester to see if the central high voltage wi...
14 comments posted 17yrs
posted by mrdarrett
14 comments posted 17yrs posted by mrdarrett

Why do we use PWM control?

I always feel thanks to all of the group members. Today I'd like to ask some basic question (the group title is basic)....
3 comments posted 17yrs
posted by hocheol.lee
3 comments posted 17yrs posted by hocheol.lee

What is a unbalanced AC transformer?

I need to provide a 10VAC power supply to a cirris cable tester and they said it was unbalanced. It is a three pin inpu...
4 comments posted 17yrs
posted by uriahsky
4 comments posted 17yrs posted by uriahsky

Minimum Energy Required for A Measurement

As with anything involving information or communication there is a minimum amount of energy required for any measuremen...
3 comments posted 17yrs
posted by BretCahill
3 comments posted 17yrs posted by BretCahill

switching regulator with mcu

Hi to newsgroup I'm making a mcu based device which i want to be very small and low cost The design consumes 100..120 m...
51 comments posted 17yrs
posted by michaelnikolaou_remove_me_
51 comments posted 17yrs posted by michaelnikolaou_remove_me_

Cost of DSP In Other Consumer Items

Digital hearing aids seem to remain pretty pricy. Is anything else using DSP more expensive than a $300 laptop? Bret Cah...
23 comments posted 17yrs
posted by BretCahill
23 comments posted 17yrs posted by BretCahill

Nissan Looking At Roadbed Electrification

Induction may make sense in parking lots or city streets but the wire in an 18" diameter slotted pipe under the roadbed...
32 comments posted 17yrs
posted by BretCahill
32 comments posted 17yrs posted by BretCahill

Basic auto ignition electric Q

Single coil, rotor & distributor cap system, 4 cylinder. Is the coil housing grounded? I always thought the coil housin...
27 comments posted 17yrs
posted by pconners98
27 comments posted 17yrs posted by pconners98