Latest threads in Electronics Designshow only best voted threads
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25kV AC
We need a 25kV rms AC signal. OK, that's 70kV p-p. I had a 30kV Trek model 678 amplifier, a huge beast procured on eBay, but I fear it was thrown away in a downsizing move, damn! With that we could...
70
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4 years ago
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70 | |
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Ramblings about the image reject filter
Image reject filter (in the context of a typical single conversion superhet design).... have you ever tried to not use the image reject filter because the preselect filter would rightfully reject...
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4 years ago
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Nexperia
I notice that Nexperia has picked up a couple of current mirror parts that Infineon discontinued awhile back: BCV61/BCV62. Wonder if there's hope for other useful parts, e.g. the BFG25A/X, BFT25A,...
7
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4 years ago
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7 | |
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Ramblings about Airborne Power supply design and testing
Over the last few years the RF design work in my company has dried up and I have been frequently assigned to power supply testing (and some design) pe r MIL-STD-704 and DO-160. Here goes..... Item 1....
41
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4 years ago
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41 | |
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Class B RF amplifier
Can the class B configuration be used for RF amplifiers, given its inherent problem of cross over distortion All hints, suggestions are welcome. Thanks in advance.
12
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4 years ago
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12 | |
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OT: Microsoft Office 365 Outlook (online variant) violates SOX
Well, after downloading and installing Outlook 2019, i was able to see the same e-mail folders with the same contents "on" my computer; i doubt that is where that apparent copy resided; i think it was...
4
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4 years ago
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4 | |
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Chopper stabilised op-amps - is there a mystery to the noise?
I am using the TLV2333 device; actually the cheaper Philips version of it. The specs, of course, are astounding. I go back to the 1970s (precision photomultiplier power supplies, ppm specs) when the...
29
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4 years ago
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29 | |
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IF this is Rogers Duroid
IF this is Rogers Duroid You can't beat the price. No info, so I don't know. You decide. Mikek
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4 years ago
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A typical conversation with a Chinese PCB manufacturer - a gerber mystery
I send them a zipfile containing the gerbers. I've been doing this for 20-30 years. This is a company I last used 2 years ago, with same data format. The source is Protel PCB. Dear Peter, Sorry I can...
43
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4 years ago
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43 | |
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A more sensitive RF diode?
A more sensitive RF diode?
24
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4 years ago
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24 | |
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stonehenge regulator
I have a 48 volt power supply and I want to drive a lot of relays and uPs and FPGAs and stuff, so I figured I'd knock it down to 12 volts first. We have LM2567HV-ADJ in stock, a 52 KHz Simple Switcher...
35
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4 years ago
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35 | |
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Arrow Keys Going Away
It seems the last bastion of real keyboards is throwing in the towel. The Acer Aspire 7 17.3" Gaming Laptop has miniature arrow movement keys and the numeric keypad has narrow width keys. It's a 17...
56
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4 years ago
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56 | |
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solder-mask defined pads
Here's a board that used "solder-mask defined pads" for the tiny EPC BGA GaN fets, with pad stack and mask like EPC recommends. Boards fabbed by Cirexx. Those pads are 0.3 mm diameter, a hair under 12...
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4 years ago
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Bootstrap help (PD-TIA)
OK Before getting to the question a picture and good news. I've replaced the rotary switch with some toggles. These NKK toggle switches have ~0.25 pF between the pins, which is a bit less than the C&K...
34
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4 years ago
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34 | |
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capacitor placement
Hi all. I am routing GBit FPGA links at 12GBit and I am having an issue with DC blo cking capacitor placement with Ultrascale plus devices. I am new to the com pany and I am up against "we always do...
5
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4 years ago
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