Latest threads in Electronics Designshow only best voted threads
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Homebrew membrane keypad
Hello everyone! It looks like homebrew PCBs are a pretty well developed branch of the electronics hobby these days, even I have (more or less successfully) made them. How about membrane keyboards? I'm...
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19 years ago
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Interfacing 5V to unknown 10-30V signal
I'm trying to interface a bunch of industrial sensors (that I don't physically have) to a piece of 5V logic. I don't have specs on these sensors, but I am _told_ that they range between 10-30V supply...
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19 years ago
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UART In the new design
Hello, I am doing one new design with 186 processor and I want a serial port on the board. Please suggest any UART for that. I have used 8251 before in older design but was worried about availability...
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19 years ago
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2754P keypad firmware
Looking for the firmware for the keypad controller 8741/42 for a 2754P spectrum analyzer. This is compatible with 492A, and similar analyzers. If you can help me please let me know!!!!!!!!!! Also...
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19 years ago
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Capacitor's ESR and ESL calculations
Does anyone have any equations to calculate ESR and ESL for a capacitor that can be used for simulation?
15
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19 years ago
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15 | |
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OT: "Ugly" switcher
Hello All, Thought I'd share this one: I had to adjust the monitor on my logic analyzer a wee bit which meant opening the enclosure. I never noticed it before but there was the 5V switcher and it said...
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19 years ago
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project help needed:
Can any one suggest project topics (with links for resources) for undergraduate electronics &communication engineering? Simple easy to design projects are preferred...
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19 years ago
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6545 CRT Controller design
I trying to add a video display to a 6502 based computer I built and wish to use 6545 CRT controller chip. I would like to use Transparent Addressing (PH1/PH2 Interleave) mode. But have not found a...
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19 years ago
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LM324 push/pull ckt?
Can anyone recommend a schematic for a push/pull, or "dual drive", type amplifier (unity gain) based on 2 amps of an LM324 that will drive a 2K resistive load? Input is 5V audio. Supply is 6V....
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19 years ago
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Logic level conv.
Hi i'm working on a project that requires me to interface 2 ICs FT2322C & TMC428. the prob is that their logic levels are different For FT2322C (1st IC, its o/p fed to TMC428) Vol 0.3-0.5 Voh 3.2-4.9...
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19 years ago
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JTAG,JAMPLAYER - Does enyone use jamplayer on some procesors ?
Hi My main problem is: how I can use a specific pins in procesor to JTAG interface ?Where I can change it? I will be gratfull for any answers Marek
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19 years ago
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555 Frequency Precision
Hello, I am having some problem with the 555 type oscillator. I am testing various brands and qualities of 555s and each one produces a different frequency for the same configuration of resistors (Ra...
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19 years ago
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Why is noise cancellation difficult?
Last night, about 2:00 am, my neighbor's dog started barking, and basically kept it up, on and off, until dawn. The neighbors were out of town overnight, and apparently the dog suffers from...
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19 years ago
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Pi Network & S - parameters
Hi, I am new in the RF field and I have a question regarding Pi Networks and S parameters. I was recently reading an article about Pi networks and it uses in RF. I am confused about a couple of...
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19 years ago
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Basic question for somebody to help me with
Hey, I have never posted here before, But hopefully somebody can help me. I'm very amateur when it comes to electronics so any help is great. I am installing a soda pop can cooler in my car. To...
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19 years ago
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