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Well the design constraints are the noise, speed, offset and power dissipation. For high speed, you will need minimum length transistors. The noise is mostly dominated by the input differential pair. So you have to do a PNOISE sim and keep increasing the width of input diff pair till you achieve your target. Similar exercise needs to be carried out
From the plots we can see that the gain power is dropping at 870MHz, but for sure you can get the desired power of 10W. But if your main target is high efficiency, using a 16W transistor to deliver 10W you will get significant drop in PAE. power added efficiency is maximum near the P1dB of the amplifier. You will lose (...)
Quick Charge 3.0 offers a more granular range of voltages: 200mV increments, from 3.6V to 20V. That way your phone can target one of dozens of power levels. There is a command data protocol for authorized readers.
Hi Designers, I would like to get some feedback regarding my concern on a LDO design. I'm to design a LDO circuit to power-up some analog blocks, etc ADC, Oscillator and many more. So, my question is, what is the range of frequency I should target for to have better PSRR. I have read some journals, looked at some datasheet, it was mentioned tha
RapidIO and Time-Triggered Ethernet are used in many overlapping applications including Avionics. While TTEthernet has deterministic transfer delays, RapidiO provides extremely high data rates. Both standards provide significant flow control, priority based transfer, and virtual link mechanism. To select the right standard for the target applicatio
according to the device load pull data I selected the optimum Z_L = 2.01+j*0.85 which meets the target specs I presume you refer to datasheet specifications rather than actual load pull? Means you know effectively nothing about the matching achieved in your hardware design, except for simulation results?
Hi I have a micro-controller based circuit, but I cannot program the micro. The error it gives is: Unable to enter programming mode. The read device ID does not match the selected device or any other supported devices. Please verify device selection, interface settings, target power and connections to the
Yes - run a rail analysis tool - then update your power mesh + decap fillers until your target IR drop is met.
Large reader coil (30 - 50 cm), power amplifier, possibly receiver preamplifier. You need to achieve the minimal NFC field strength of 1.5 A/m at the target location.
I connected the DSK board to my laptop (windows 2010 OS) via USB, and ran 6713 DSK Diagnostics Utility v3.1. It said: ======================== Starting diagnostic test suite. --> Running USB diagnostics. Can't connect to target. ? ** Plug in power and USB cable. ? ** Can't run if Code Composer or Diagnostic already running.
ATF34143 is an LNA (Low Noise Amplifier), and by definition any LNA should work in Class-A. So, good PAE (power Added Efficiency) is not the main target of performances of this transistor. For best performances follow the Avago application notes 1190 and 1191.
Hello, I am trying to program the PIC16LF1823 with ICD3. But it is giving error "target device was not found (could not detect target voltage VDD). You must connect to a target device to use ICD3." Please help me in resolving this issue.
Dear Members and Colleagues I am having some trouble designing the APD receiver in a laser rangefinder. My maximum range is only 100 feet while i need at least 500 feet target range. The setup is described below. Please do correct me if i am wrong or if i am missing something. Transmitted power & Optics I am using a pair of orthogonal plano
Hi ananthesh, Slew rate of opamp might influence the start-up time of the voltage reference. When it is power off, it takes some time to start up the target value. If more current is burned, your reference voltage will start up faster.
Hi, I want to calculate the power of a radar signal at the target. By now I have the equation: PtGt/4πR?: power density But I have to accoount for the propagation attenuation. I searched some materials and found it?s relative complicated. Are there any formulars with which this can be done. The arguments are: fr
Kelvin method is 4 wire and eliminates contact resistance error with outer 2 leads supplying current and inner 2 measuring voltage. CC method with voltage sense and power limit prevents target burnout. I think an auto-scale approach might start with 10, 100, 1000 mA where it steps down or up according to voltage threshold of >100mV & <10mV.
In embedded systems, the power consumption is a very relevant issue in such a way that the use of inefficient energy converters makes it less attractive product to the customer. Therefore you must consider for what target application such design would be applied. +++
1. Difference between target/link libraries. 2.How to solve timing issues? 3.What are the different kinds of cells used? 4.Characteristics of H & LVT cells.
Hello All, Since recently I have been unable to program my MCU in AVR Studio 5 or 6 because they are surprisingly not recognizing the device signature of my MCU, I get this message: "Unable to enter programming mode. Please verify device selection, interface settings, target power and connections to the target device." Can (...)
Hi everyone, I'm trying to program/debug/erase a Freescale MC12311 transceiver IC (which has an HCS08 MCU embedded in it) via the 6-pin BDM header, using a P&E USB Multilink Universal, and CodeWarrior 10.4 IDE, on Win7 64-bit platform. The following "power cycle" error occurs when I try to program/debug/ease the target IC: i.stack