Having trouble with my Fridgidaire oven. Sometimes is just doesn't heat up. Looked up the igniter function referenced in link below. Don't...

Having trouble with my Fridgidaire oven. Sometimes is just doesn't heat up. Looked up the igniter function referenced in link below. Don't most resistance heaters increase in resistance as they heat up? Maybe the igniter is not NiChrome. 6-4 "The same thing happens, electrically speaking, with the igniter. When you first apply voltage, the igniter is cold and the resistance is ...

I tested and built the following circuit. http://www.circuitstoday.com/telephone-in-use-indicator It all worked fine untill I tried to test...

I tested and built the following circuit. http://www.circuitstoday.com/telephone-in-use-indicator It all worked fine untill I tried to test it by calling into my phone. (the one test I didnt do before I soldered it all together) What happens is taht the phone rings for a about 1/2 a ring then stops ringing. To my surprise when I life the phone up the line is alive eg. Its like the devic...

I recently acquired a programmable stepper motor controller. It was made by Richmill Manufacturing Company Ltd. around 1982. It is designed to...

I recently acquired a programmable stepper motor controller. It was made by Richmill Manufacturing Company Ltd. around 1982. It is designed to drive a unipolar stepper motor. The guy I got it from said it worked fine when he put it away and then upon trying it about a year later it only works intermittently. I did discover one wire in the cable that goes to the motor does not have continui...

Hi, I would like to use the 1N5283 diode in a certain application. Like some other applications in power electronics, this diode datasheet...

Hi, I would like to use the 1N5283 diode in a certain application. Like some other applications in power electronics, this diode datasheet too mentions a certain Lead Length to be maintained. (See http://www.datasheetcatalog.org/datasheet/motorola/1N5298.pdf) Could someone please explain this? Why does this distance have to be maintained? (Its got to do with the thermal character...

This is one conductor in a cable from some iPod earphones: http://www.tinyuploads.com/images/mizPu4.jpg What is the best way to deal with...

This is one conductor in a cable from some iPod earphones: http://www.tinyuploads.com/images/mizPu4.jpg What is the best way to deal with the fibre strands and to tin the wire? Thanks, Dave

Is it possible to simulate circuit performance using LTSpice under different temperature conditions? Say you have a single NPN transistor with...

Is it possible to simulate circuit performance using LTSpice under different temperature conditions? Say you have a single NPN transistor with grounded emitter and a collector load and a resistor from base to collector so the collector voltage is about half the supply voltage. I understand the result would depend on the HFE of the transistor, temperature, and maybe not very stable. Just wonde...

Why is S/N ratio dependent on impedance match? It would seem a ferrite loopstick antenna would deliver twice the voltage if connected to a...

Why is S/N ratio dependent on impedance match? It would seem a ferrite loopstick antenna would deliver twice the voltage if connected to a high impedance rather than matching it to it's characteristic impedance. But I have heard this is not a good idea since the S/N ratio would degrade. Any truth to this idea? -Bill

I'm working on a project for myself. I need a circuit that will output several 5 volt pulses on one output then stop the pulses and output...

I'm working on a project for myself. I need a circuit that will output several 5 volt pulses on one output then stop the pulses and output 5 volts on another output constantly as long as a switch is on. The number of pulses needs to be adjustable with a pot. The range of pulses will be from two to perhaps twenty. If the project works out then I will hopefully sell several hundred units. So I ...

Size and shape is identical to a 1/4 watt carbon axial lead resistor. Body is glass-like and has a red band on each end. Markings are: 104M ...

Size and shape is identical to a 1/4 watt carbon axial lead resistor. Body is glass-like and has a red band on each end. Markings are: 104M - - 50V - - WC - - 8421 Analog ohm meter reads infinity but slowly drops to about 5 meg in about 10 seconds time. Readings in both directions are identical. Thanks for the help, Ivan Vegvary

Hello, I just finished creating a circuit, it's a drum machine, but I've done the whole thing on a solderless breadboard. I was wondering if...

Hello, I just finished creating a circuit, it's a drum machine, but I've done the whole thing on a solderless breadboard. I was wondering if anybody could give me any tips on how I could go about transferring my design onto a PCB. If anyone could reccomend any software or such that is good for this? I have a copy of PSPICE, but I'm not sure if that's mainly for simulations. I've seen the ...