Latest threads in Electronics Designshow only best voted threads
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MosFet: Source-Bulk-Diode Problem...how to insure Bulk is at highest Voltage?
Hi all, Lets say I intend to design a simple circuit that shoud connect a (large) capacitor with a pulsed voltage-source, if and only if the voltage of the pulsed source is at a higher level than the...
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19 years ago
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Sending text via the serial port
OK, I have no idea where to start with this and am looking for some guidance on how to go about it. Basically I want to send predefined text to my PC via the DB9 serial port when a button is pressed,...
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19 years ago
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Exportability of EDA industry from North America?
Some colleagues and I were discussing the situation with the high tech industry, with jobs moving out of North America. This has hit circuit designers hard, especially those in digital. Can EDA tool...
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19 years ago
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Secure Digital Specifications
I'm looking for the "Secure Digital Specifications". If anyone has them contact me boydkell@995
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19 years ago
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How to design a Doomsday Device (tm) ?????
God told me that time for Armageddon has finally come and the world must be I need to create a device capable of destroying the whole planet. How can I design the Doomsday Device (tm) to destroy the...
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19 years ago
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Flex (FPC/FFC) connectors and how to connect to them...
Hi there, I've ordered an OLED display from Mouser, and the data sheet for it specifies that it has a TAB style connection with pin spacing at 0.65mm. I'm imagining the I need an FPC/FFC style...
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19 years ago
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RFID active tags at 13.56 MHz
Hi Is it possible to use active tags at 13.56 mhz and compatible readers. I am trying to evaluate whether there is a need for using rfid for one of our applications. Following are the requirements- 1....
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19 years ago
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PLL loop design
Hi. I'm planning to work with PLLs, but I don't know how to design the loop. Where I can find info or theory about that ? Thanks Hernán Sánchez
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19 years ago
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Dividing and Multiplying Voltages
Hi mates. Albert's here. I'm new here and i'm seeking your helps regarding the following. I'm working on a project which involves the arithmetic operations (+, -, X, /) on voltages. Using ADC...
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19 years ago
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Circuit to Multiply Voltages and Divide Voltages
Hi mates. Albert's here. I'm new here and i'm seeking your helps regarding the following. I'm working on a project which involves the arithmetic operations (+, -, X, /) on voltages. The project is to...
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19 years ago
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RFID: Active Transponders + Reader (Long Range - 20-40m)
Following are my requirements for an RFID application that I'm prototyping: 1) R/W Transponders (400-900 MHz, or 2.4 GHz) - for long range operations (20-40m). Should allow 1K-2K worth of storage...
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19 years ago
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Looking for microcontroller with dot matrix LCD driver on it.
Hello, I am looking for a microcontroller with dot matrix lcd on aboard. The reason that I am looking for this combination for the low power consumption. The type of the LCD matricx that I am...
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19 years ago
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ibutton question
Hello all Just started using the Dallas/Maxim DS1990A with a DS9092 Touch Probe using a PIC16F505 as the Master. Everything works fine if the PIC polls the probe and when the Touch Memory is present,...
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19 years ago
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LNB signal meter
Hi, anyone knows some info/links about LNB signal, decoupling LNB power from signal , and signal strength measuring? I want to make a simple sat-signal meter project. (Project assistants/helpful...
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19 years ago
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Question: simple inverter to fire up a switch mode power supply?
Hi there, I am not an electronics guru, just know enough to be dangerous and need some help on the following. In a switch mode power supply, in the first stage the 110/240 volts mains power goes into...
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19 years ago
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