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I'm reading the following paper about SNAPBACK -------------------------------------------------------------------------------------------------------- In the case of positive ESD stress, the VGBNPN is triggered when the voltage on the collector electrode reach
Hi, I am using PVDD1ANA as my I/O with TSMC 0.18um technology. When I try to pass any signal through the I/O, it is getting attenuated quite a lot. The I/O seems to be acting as a 2 Mohm resistor in shunt with the signal path. Does anyone know where I am going wrong?
Dear friends, I am designing the circuit shown in the figure below, In my first design I didn't use the source floower transistors MT1 and MT2, thus I gout a high current at the output stage (1.3mA). It was explaned by Allen holberg that the use of the source follower is to shift the dc level to the output stage so VSG6= VSD4, comparing without
Hi, Everyone. Attached is my Calibre LVS report. There is no error shown in my LVS report, but some warnings show up in LVS extraction report. Could these warnings affect the final results? Thanks!
I have separate codes. 1) for displaying data on 16*2 LCD which is shifting at 0.5 seconds 2) another code for playing songs on DFplayer (2 minutes song whic plays when I press a button) I want to play the song and the text on the LCD to be shifting at the same time. How do I do that. bec the code waits till the song is being played by the
Hi I would like to convert the last circuit on this page to use only discrete components and remove the opamp somehow. Is that possible and how? I have made an ALC amplifier for RF which I think it can be used for audio as well, but this will be a total of 4 trans
I have separate codes. 1) for displaying data on 16*2 LCD which is shifting at 0.5 seconds 2) another code for playing songs on DFplayer (2 minutes song whic plays when I press a button) I want to play the song and the text on the LCD to be shifting at the same time. How do I do that. bec the code waits till the song is being played by the
HI: I am testing the DDR4 controller, and when using the oscilloscope to capture the write timing, I find that the write timing is obviously abnormal. However, grabbing the read timing waveform is normal and the data read at the same time is correct。 156678 156679 Can someone h
HI: I am testing the DDR4 controller, and when using the oscilloscope to capture the write timing, I find that the write timing is obviously abnormal. However, grabbing the read timing waveform is normal and the data read at the same time is correct。 156676 156677 Can someone hel
hi, I need to convert 0-5 V volt 50% duty cycle to +5/-5V > Data rate is 20Mbit per second. Is there any simple solution available? Regards
Is it possible to combine lead-acid batteries with super-capacitor cells in a DC-DC converter? I have gone through few research articles at IEEE but could not find a simple practical system for EVs. What I need is to maintain the lead-acid battery capacity when high current is drawn (Peukert Law) and, that current should be supplied by the supe
Hi We wish to have this 8V3 Regulator. (attached) Do you think the amount of output capacitance will make the MIC6211 opamp go unstable? MIC6211 opamp
i am using Fuel gauge battery monitoring IC Bq34110. i have read state of charge battery calculate but not update dynamically. if power on/off then i will change ? and how to calculate EMF,C0,R0,T0,R1,TC,C1 for lead Acid battery for Bq34110?
Hi, I have a transmitter board which senses the pressure and outputs 4 to 20mA. The board is mounted in a aluminium enclosure using the Stainless steel standoff. The screws used are Stainless steel. Normally, the board is working good and provides 4 to 20mA based on the input pressure. But when I touch the aluminium enclosure, the (...)
Dear friends hope you all are doing fine! I have one temperature logger with RS232 out on its back panel. which throws out the instantaneous temperature reading every second. I need to connect the RS232 output of temperature logger to one of the USB ports of raspberry pi 3b+. I dont wish to use Tx/ Rx of pi. Understanding that raspberry pi is ope
In fact there is no "CMOS transistor" - there are NMOS and PMOS. As a rule "RF guys" appear to prefer the zero-VT device for gm and IDsat, relative to capacitances. You can find canned NMOSFETs for lower frequency applications. Anything over maybe 1GHz probably wants integrated transistors. Kind of wasteful for a 1-transistor LNA (study p
Stariver Circuit is a factory of PCB based in Shenzhen. We mainly produce 2-12 layers PCB and applications are widely use in all kinds of area such as Medical ,industrial, Telecommunications, Consumer Products , Power supply, IOT etc. We covers the PCB production from prototyping to medium production to mass production. We can also supply services
Hello, if we measure antennas in the antenna chamber with vector-network-analyzer (VNA). Let's say two identical antennas: The measured S21 transmission parameter (divided by 2 and corrected for freespace loss) is available for each angle (azimuth, elevation). How do I reproduce those results with HFSS. Farfield result: dB(RealizedGain) is
hellow guys iam writing a simple bootloader on a stm32f103ve microcontroller from address 0x8008000 and a userapp code from address 0x8008000 my bootloader code include uart1 configuratin for show some massages and spi2 configuration for communication to a spiflash and my userapp code include timer6 , timer 7 configuration for two led (...)
hi, i am design 3V battery operated system, in series of battery one resister required ,full system operated 200mA this resistor can burn more than 300ma current flow, which resistor i am select and calculation also Gide me