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Hi, In my project, only GGA and VTG messages are needed, so I configured the module by NMEA protocol messages to disable all other messages. Everything works fine until after 135 seconds module sends a message: $PSRF150,0*3E which is "not OkToSend" -message. The serial port is completely halted for infinite time and no connection is possible to
Hi, I am trying to read in UPF at RTL level. For the all standard Cells, Memories, Analog Macros - Power config file is used to add search path and db file name. I have the below two observations - 1- After adding power config file, I have removed the corresponding RTL files of standard Cells, Memories, Analog Macros from file list. Aft
Hi! I designed a dimmer for 230VAC 50Hz for a few GU10 LED bulb with the classic 555 PWM circuit. It basically works but I have some major issues could you help me to improve it? 157452 The basic concept: 555 based PWM tuned around 500Hz rectified AC for the LED bulb (the 10k on the circuit)
Noise sims typically take time... what Fmax did you try? normally, the maximum time resolution of the simulator will be dictated by the maximum frequency you want to simulate. And just curious: what is a long time? If it takes long time, why not let them run in the background or overnight.
I am making tests with a ring oscillator (RO) in ADEL Cadence. But when I increase the size of the RO from 13 to 121 stages there are glitches in the output signal of the RO (image attached). How can I make the output frequency of the RO a stable signal? Because this is also generating errors for aging simulation in ADEL. 157428[/ATT
Hello, I just bought a used LOGIK LOG19WHD17. I was told it has Freeview but using the controls on top of the TV and the remote, there's no option to set up Freeview. Can anyone tell me if this model has Freeview? Thanks for any help.
I am using the Modelsim Microsemi Pro 2019.2. In the testbench I am opening a file in write mode and periodically writing data to it. I open the file in write mode and never close the file (always stopping the sim manually). As long as the simu is running, whenever I see the file on disk, they are not updated. File size is always 0KB. The fil
157439 what's the purpose of the (N2 + N3) center-tape winding in push pull Ac-Dc converter as shown in above schematic. is it a kick start auxiliary winding? if not how to start the smps oscillator without external power kit?
Dear Members, What's the value for C1 and L1 for EMI filter, if I use 220V 50Hz ? Please see the schematic attached, Thanks 157434
Hi, I am looking for Microcontroller by Microchip that support higher baud rate like 115 k or higher with internal oscillator. Any suggestion ?
hi all, im trying to replace this diode, but the marking is just mentioning as per attached image. could anyone please give me insight maybe based on previous experience what is the part number for this. really appreciate your help. First Line :2U Second Line : 55 thanks. Ram. 157419
I have designed LNA. I want to measure S21, S11, S22, S12 and NF for different values of Temperature Values such 360C, 700C, -150C. How to set different values of temperature for LNA using ADS2019. Can we set to all components (such as Resistors, Capacitors, Inductors, transistors, MLINs) to temperature separately(
Hi people ! I have a problem with my PCB. I recieved it a few days ago and it is already completly presoldered. If i connect it via USB-TYPE B to my pc it is showing me nothing in device menager.... The CH340G should be visible to be able to programm it via usb.... If i connect it via micro-usb unknown device is popping up. But that does not
Hi people ! I have a problem with my PCB. I recieved it a few days ago and it is already completly presoldered. If i connect it via USB-TYPE B to my pc it is showing me nothing in device menager.... The CH340G should be visible to be able to programm it via usb.... If i connect it via micro-usb unknown device is popping up. But that does not
Hello everyone, as a part of a course in analog circuits, I need to design a BJT amplifer with the following parameters: Voltage gain = 51 Rin = 55 Rout = 50 Band width: DC suppliers allowed: +/- 5V The purpose is to as less stages as possible. I thought about using two stages : of CB and CE or 2 stages of CB.
Here's the Circuit, as shown in fig1, There's Supply from adapter(9.5V DC), there's also a supply from the battery(8.4V Max). Diodes used(D1,D2) are shottky diodes, with a typical drop of (0.3V-0.5V). The problem i was facing was even though battery voltage at given point of time is less than Adapter Voltage(ADPT), At TP3, I was still getting batte
I have been digging through various forums and internet articles searching for a current sensing relay circuit that will activate a low voltage relay when the circuit senses a 120v machine drawing 5 or more amps of power. I have hand drawn a schematic and is attached. My desire is to activate a low voltage circuit by simply "closing" the
I am new on PCB Design. I want to learn, as I have no idea about how should I do my own designs, I am copying some existing ones .. So, I choose a Simple One, a Frequency Generator Module (XR-2206): 157392 The PCB Layout at the Top looks like this: 157393 and at the botton looks like th
what do we mean when we say "current adds up in phase"? For a wire antenna, there's already a current arises from feed source and it causes antenna to radiate, then why we emphasize 'adds up in phase'. It sounds like we use a second source to increase the radiation. Doesn't it?
my current starved vco oscillations are dying out after some nanosecond. what could be the possible reasons? and how to rectify it?