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Subject Author Posted Replies
 
fuse color code
I am looking to determine the value of a picofuse fuse. made by little fuse. the colors on the fuse are red, red, black and yellow.
 
Re: For sale:Keithley PIO-12 Digital I/O card ( not GPIB)
$10 shipping (in Canada)? Lots of luck guy! :-) Harry C.
 
FS: Mercury Relays
Our club is trying to help in an estate . We are trying to dispose of the following: Mercury-wetted relays 8 Ea. SPDT 110 VAC coil Mfr: C. P. Clare & Co., of Chicago Octal (tube-type) base Model: HSG...
 
Re: Why were several battery atomic clocks different?
I'm sorry I don't know the places you mention (I assume these are well known American retailers I am not familiar with) but I assume you are not talking of atomic clock but clocks synchronized...
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ballast lifespan
If you disconnect all the fluorescent lights from a ballast, but the ballast still gets power, does it harm the ballast?
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Equipment for PCB prototyping ...
Hi all, Can you all point me to a place which sells PCB prototyping equipment for a decent price. I am looking at small jobs using the photo-resist method, though I might not be averse to the toner...
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rf preamp
Hi, Where can I find a small signal model for an Agilent Transistor ATF54143. I have gone through the agilent site but it does not have it. I am trying to come up with equations to calculate the noise...
 
Pioneer SA 7800
Hi,I need schematic diagram for PIONEER SA 7800. Regard
 
LM3886 in inverted configuration
Can I use LM3886 in inverted configuration? Any links to the schematic? While searching for it on the web I always got LM3875 schematics in inverted mode. Can I use the same schematic(I know pin...
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Delaying a logic signal?
Hi, I'm designing a simple (ha!) digital oscilloscope that should theoretically be able to sample up to 80MHz with two A/D converters (giving an effective frequency of around 160 MHz). I'd also like...
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fluorescent light problem
Two fluorescent fixtures in two bathrooms of my mother's house seem to be possessed. Both are integral parts of medicine cabinets and are 20 years old, as is the house. Eight or nine years ago one...
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Please check your routers ...
!!!! -A
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Record for boombox?
I have a small boombox with CD, tape and radio. It has speakers, but no output jack to a headphone or to connect it to my computer input. I opened it up. If I run parallel leads to the speakers, put a...
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Unwanted oscillations
I've got a simple circuit that uses a BC337 NPN transistor to switch a DC buzzer on and off.. It's set up as a classic common emitter switch eg The Buzzer is in the collector circuit and the base is...
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Which manufacturer is this..
I have a crystal marked "DSL 9.216 20" and would like to identify the maker. (Specifically I'd like to check that the 20 refers to 20pF) Google gives me far too many hits as you would expect when...
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