Latest threads in Electronics Designshow only best voted threads
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LM386 & Spice
I need to sim an LM386 amp to see what decoupling caps are neded for stability on end of life batteries. Is there a Spice model for this anywhere? My LTSpice seems to lack any of the IC models I'm...
38
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9 years ago
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38 | |
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Differential absolute value circuit
So this is a circuit that buffers a differential input and provides an isolated absolute value output: Any thoughts or suggestions on how to improve it wrt speed, etc?
21
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9 years ago
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21 | |
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OT: hydrogen peroxide
Does anyone know of someplace online to buy small quantities of 30%+ hydrogen peroxide to experiment with PCB etching solutions? I have seen a few places but I really don't want to spend $150+ for 5...
21
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9 years ago
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21 | |
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Let the criticism begin
Mikek
2
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9 years ago
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OT; Something fishy here ;)
John Fields
11
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9 years ago
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11 | |
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Electric car - construction
Hi. I would like to hear your opinion regarding the controller setup. Controller that am planning to use is able to deliver 100A continually and 200 peak ( for 5 seconds ) on 72V. Controller has...
9
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9 years ago
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9 | |
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Help Picking Right Programming Tools
I need to pick a programming tool to plot some measurement data in real time. The data is transmitted from an instrument to a PC via Ethernet. Every second a new file is created on the PC HDD to store...
16
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9 years ago
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16 | |
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Protek 6500 RS-232 interface cable
Where can i get one? (lost mine in a move) The CD that came with the Protek indicates its for the Mastek MS8218. But all BabyBird searches point to the meter with interface and not to the cable. Left...
4
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9 years ago
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4 | |
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Weather proof boot for SMA connectors?
Is there such a thing as a weather proof/resistant boot for SMA connectors? I can find them for just about every other RF connector except SMA. Any leads on these? Thanks.
20
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9 years ago
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Madness
I was at a client's yesterday and needed to do a quick mod to a board, adding a link. Their soldering iron had crashed, displaying the message 'Fatal Error'. What has happened to the world when you...
38
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9 years ago
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38 | |
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Precise voltages from imprecise parts..
Take a random LM285Z 1.24V 1% part. Select a 124K 1% resistor and select a 2.37M 1% resistor from nominal population by measurement, each one to 5 digits. Goal is to get 25V as close to 0.1% as...
86
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9 years ago
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86 | |
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Igbt MG100J2YS40
Dear group, i'm looking for this part, for replacement, no new design, as i want to repair a industrial board. it is a IGBT from toshiba, butt any brand will be ok anyone w experience on igbt's?...
5
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9 years ago
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5 | |
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OT: Speaking "unpronounceable" text
Hi, I've got a product that uses audio/speech, EXCLUSIVELY, as it's output modality. It's severely resource constrained (size, power, cost, etc.) so the TTS system doesn't have features that aren't...
11
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9 years ago
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11 | |
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Comparator with open collector "precise " hysteresis
Hi, a question about a simple circuit,probably faced since decades ago. In the basic scheme of comparator with hysteresis when the output is high the hysteresis value is depending by resistors and the...
55
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9 years ago
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55 | |
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OT: Today
Today is Yom HaShoah (Holocaust Remembrance Day) "We will remember those who were murdered, we will guarantee life. Sadly that is a lesson President Obama and his anti-Israel regime will never...
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9 years ago
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46 |