| need 2N4416 / NTE452 equivalents |
Hi all, Dad needs a few 2N4416 (equivalent: NTE452) transistors. Digikey doesn't seem to carry any. Can anyone recommend any equivalent transistors? They're for an old
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| PCB design software for Mac? |
Is there any (preferrably free or low cost) software for Mac OSX that allows me to design electronic circuits? Just something simple and easy to use that allows me to draw component pin...
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| looking for a op-amp current booster for low voltage |
I have +/-2.5V supply rails an am looking for a minimum parts count 1 amp peak current booster for a 200Hz sine wave generator. The opamp is rail to rail and can supply 10mA to drive B=10...
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| consumer product certification/regulation |
I'm working on a consumer electronics product, and want to know more about the variety of consumer safety and compliance certification programs, and governmental regulation requirements, t...
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| Stereo Plug/Jack Standardization |
Is there any standardization of the connections to stereo plugs/jacks? Tip: Left (or Right) ?? Ring: (Right (or Left) ?? Inquiring minds want to know ;-) ...
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| Re: Advances in Audio Op-Amp design |
> I just received the National Semiconductor monthly newsletter > where they announce their new high-performance audio Op-Amp. > The LM4562 boasts with impressive claims on various ...
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| Switching Power Supply for Tubed Amp |
Hi Y'all, I'm putting together a home-brew tubed amp, and need a power supply to suit. I intend to be heretical and power the amp with a switching supply. Amidon can help with the tech inf...
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| PWM in a digital control loop |
I would like to use PWM in a control loop for power-saving purposes. The controlled device needs to operate over a wide range of powers as setpoint, so I was thinking of using 16-bit PWM fr...
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| Components Datasheets |
Hey everyone, I'm trying to analyze a certain circuit but it contains two components which I was unable to find any data about, the first on is labeled "AUK R315A", I suspect this one is a S...
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| Children , Entertainment, Books , Investments ,TV, Future!!!!! |
INVESTMENT OPPORTUNITY! Fork It Over! a Ground Floor Unique Dimension & Concept In the Children's Entertainment Market... For More information http://www.kidse...
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| PC Speaker System Question |
I have a _powered_ speaker system on my PC, only labeling on it is... G-1050 Multimedia Speaker System Main unit is the "bass" with leads to power two external tre...
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| need help: DC pulse train has to be converted to a DC voltage |
I will have a constant amplitude pulse, that will increase and decrease depending on my system. I need to take this pulse, take the average value (DC voltage) and put it into my PID controll...
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| Yet another reason to avoid PartMiner |
I stopped using PartMiner years ago, when they closed down all free access to datasheets. Today I received an email from PartMiner which says, in essence, "our core business model...
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| Lowest Phase Noise OSC <$150 <5W 12.5MHz |
Who's got the lowest phase noise oscillator module under $150 that uses <5 Watts? Any frequency 10-15MHz will do. No need for serious mechanical/temp robustness - office use.....
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| What Nyquist Didn't Say |
I've seen a lot of posts over the last year or so that indicate a lack of understanding of the implications of the Nyquist theory, and just where the Nyquist rate fits into the design of s...
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| PCI-PCI Bridge |
Hi, If a system contains a PCI-PCI bridge with an arbitrary PCI device (call it Device X) on the furthest PCI bus (the bus most remote from the Host Processor) how is the Configur...
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| incremental rotary encoder |
Hi, Im looking for an incremental rotary encoder to run at upto 10,000 rpm and capable of generating a pulse frequency as high as possible, the "Agilent AEDA-3200-Txx Series Ultra M...
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| Question for Tim Wescott |
> Yes, but try saying "good lock acquisition time" and see what he says. That would be well understood. Aka, "fast acquisition time", or "fast settling tim...
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| Jihad needs scientists |
Jihad needs competent scientists in the fields of nuclear physics, chemistry and biology. Qualified scientists and engineers at the Master/Ph.D. level and above are encouraged to apply. Rea...
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| WHY THERMATE was USED on 9/11 by the ACTUAL PERPETRATORS ???? |
A controlled demolition normally does not use any thermate. The cutter charges are explosives, and diagonally placed on the support pillars. THE EXACT GOAL OF 9/11 was to cr...
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| Real-time clock+Thermometer+Display driver |
I have need of a single chip that let me to measure time (hours and minutes in 24hh format), temperature (in °C) and alternatively display it, to a 4-LED display. Which IC do you sugges...
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| Advances in Audio Op-Amp design |
I just received the National Semiconductor monthly newsletter where they announce their new high-performance audio Op-Amp. The LM4562 boasts with impressive claims on various performance
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| I want New released songs |
If any body has newest songs please send to me. thank you.
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| D-SUB Connector puzzle |
Hey guys, this is a rather academic question because a few tens of microns don't matter much with those old clunkers, but still this got me puzzled: Looking at datasheets of...
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| Which frequency to use in USA? |
Hi all, We produce a small consumer electronic device that utilizes the 868Mhz band in Europe. In that band, we can send up to 10mW output power with a maximum of 1% duty cycle. ...
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| I need help with deciphering two-way radio intrinsically safe codes |
I really need some help The issue I am struggling with is the different codes from different electrical manufacturer assosciations. This has made defining suitable two-way radio m...
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| Inzi submits detailed statement on first day of case hearing |
Inzi submits detailed statement on first day of case hearing First day hearing of ball tempering case against Inzamam-ul-Haq in Oval test was held here Wednesday. for ...
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| Standby consumption redefined |
My "digibox" i.e. "Bush DFTA11 Freeview set-top digital terrestrial receiver" says this under "technical specifications": ... Power consumption Maximum 8W, Standby 7W ...
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| PID Problem |
Hi, I have been building a 2 wheel balancing robot and have it pretty much balancing. I say "Pretty much" because it tends to run away on me and not balance in a single spot. Plea...
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| "In the line of fire" contributes to dispel misperceptions about Pakistan in US: Musharraf |
"In the line of fire" contributes to dispel misperceptions about Pakistan in US: Musharraf President General Pervez Musharraf has said his meeting with President Bush and Hamid K...
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