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Hi I will be working on my amplifiers, some of which are PCB, and some of which are PTP. Currently, I have a basic Weller. It works, but I wonder if I should get something better, maybe one that has variable temp? If so, what is a good one to get? and is there a general rule for temps when desoldering and soldering components from (...)
I'm looking at the effect of ferrite bead on a pcb to improve Susepability when EMC testing. Looking at the curves on the data sheets . The peak resistance seems to be around the 2mhz range. Does this mean the ferrite bead will filter out frequencys around this range ie the higher the resistance( and reactance) the better the filtering??
Hi, Gurus, I found a MIC circuit, which convert the single ended MIC signal to diff-MIC signals. I simulated it in ADS, and found the results are weird. The following pictures are the TD response & FD response, who can comment the problem of this circuits? Thanks. Tony Liu
Greeting, I have a project that create QUAD SPI controller for MT25QU device. I am able to access to all register of the flash, but not able to read back data from the memory. here is my procedure (assume that i am already in quad mode) 1. Write Enable x06h 2. Write Extended address xC5h + 00 (flash region 0) 3. Read Memory (quad input/outp
We are using load switch and current limiting resistor to charge supercap from 5V, As we have 3.3V available at source we convert it to 5V using boost converter to charge supercap till 5V to get more backup time. 156840 We are using FPF2125 switch to protect reverse current flowing from supercap to power supply when po
Hello I bought a TFT display and would like to connect this display on an Arduino Uno, does anyone have any example of connection for me to follow ? Pins from my you
Hello I bought a TFT display and would like to connect this display on an Arduino Uno, does anyone have any example of connection for me to follow ? Pins from my display: 156837 Thank you
I have two waveforms, A and B of identical frequency. "A" is the reference wave which is fixed, "B" wave moves in steps of 5us- 20ms. All I need is to track the change in phase without recomputing every time. Can anybody suggest proven method in hardware
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Hiya everybody: Im looking for ideas for an automated physical keystroker, this is intended for keystroking a particular physical keyboard Thanks in advance :)
Hello dear Gurus and normal guys. I have a question : When i connect camera 8 bit to the Artix 7 (XC7A100T 18kb bram -270 36kb bram-135 max kb-4,860) i can use BRAM for camera 640x480x8 8bit,when framevalid and linevalid on, counter starts to work and make address,wr enabled then on camera pixelclk saves camera data to bram.. (...)
Hi, I would like to generate a spice netlist from Cadence Schematic. I have googled and found comments saying using HSPICE simulator which is not working for me. Is there another way to generate a spice netlist from Schematic?
Hello friends, I read couple of papers in which the author performed a montecarlo based on geometric (dimention) variations. How can I define such setup ? is there any setting for that ? for further detail you can see the following papers
hello, I am trying to use pole zero anayses (PZ) using ADE spectra to locate the poles and zero of my single ended amplifier, but I think I am missing the correct setting, if there is any tutroial or help to expalin it more it will be very useful to me basically I connect the amplifier as a unity gain buffer with an ac input source, not sure
This guide is planned for show photography novices. In the event that you have a DSLR camera and are keen on the best way to control your camera settings to take extraordinary photographs at shows, this guide best cheap vlogging camera with flip screen is for y
Is anyone aware of a complete detailed description of the older commercial CMOS manufacturing processes, something between 1um to 2um node? There a lot of simplified process flows out there, and each of them appears to skip different steps. So I could not find an exact answer on some of the question, e.g. at what point they started adding LDD, cha
Hi Recently working on an Arduino based AC heater controller, I have been facing some unusual problems with MOC3020 and triacs BTA136 or BTA41. Attached, please find the schematic and the completed PCB. Initially, for testing, I connected an incandescent bulb across heater terminals and connected the FIRE pin to 5V. (...)
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The difference between IP3 and P1dB is usually between 10 - 15dB. Does this mean that the amplifier has a good linearity? Or the larger the difference, the better the linearity? Could you provide relevant materials to explain it? Thank you!
Approximate band attenuation 20 dB from 735 MHz to 765 MHz. Is microstrip pcb and lumped components a possible method to create this filter? In simplest form, a series paralleled inductor and capacitor.