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# Floating Node

72 Threads found on edaboard.com: Floating Node

## [moved] Problem with full bridge rectifier!

Connect a high value resistor//capacitor between N node and GND.You generators have no GND reference and therefore they are floating.Since the consumed currents are very low, you can connect a -for instance- 100K Ohm//1uF (resistor//capacitor) circuit that will connect the N node to GND in AC signals.

## In CAN bus is it possible to make a node bus off physically

Not sure if you understand the concept of dominant/recessive CAN bus state. A CAN node that is not transmitting is floating and does not load the bus. You can consider it physically off. If the question is referring to controller activity, just set it up to not responding.

## [Moved]: reducing stray voltage on pcb

Switch off means floating signal, unless the node is pulled down by some means. Any reason why not to expect arbitrary signals on the floating node? Jumping into details, we would ask for the type of observed signal (DC, noise, known interfering source)

## [Moved]: Colpitts Generator Pspice

Thank you! I added resistor and the floating node is gone. Howewer circuit still doesn't work like i expected. Please help In a Colpitt oscillator the crystal works as an inductor only. Hence, you should use a simple inductance of a suitable value - depending on the desired oscillation frequency, of course.

## PSpice Error subcircuit node is floating

Hello, I have a simple circuit to test a varicap model in PSpice. Inside the varicap model seems to be a floating node. Any ideas how to fix this? The circuit is this: 127835 The varicap model is this: .SUBCKT VARICAP 1 2 CTRL R1 1 3 1u VC 3 4 EC 4 2 Value = { (1/v(ctrl))*v(int) } GINT 0 INT Value = {

## Gate driver selection for Half Bridge application

Hello Experts! I am designing a two switch bi-directional converter, for which I am having a problem in choosing the correct gate driver. Converter specs: Vlow max = 14 V Vhigh max = 24 V Pout = 300 Watts I need a 3.3V logic compatible gate driver IC, hence I thought of using the IR2113, since I had it at my place. After reading th

## [moved] Assigning a high impedance node in verilog-A

Hi, I am designing a hybrid content addressable memory (CAM) using cadence and I need to build a verilog-A block to switch modes. In the read mode, I need to pre-charge some nodes then make them floating. I tried different verilog-a lines but the code always fails. For example, I tried using the following line that I found while searching for a

## What is a floating diffusion(FD node) in image sensor pixel?

Is it possible to do the similar thing for InGaAs image sensor? I notice each InGaAs pixel is followed by a transimpedance amplifer. Can they do the CCD implementatation where they transfer charge from this pixel to next pixel? instead of using an amplifier for each pixel, for noise reduction reasons? and use floating diffusion as the output. Th

## Node Floating in Pspice simulation

Hi guys, this is my circuit. 113465 Error says node between two capacitor is floating.

Is it a handwritten SPICE netlist, what should we check it against? There should be a circuit schematic. At first sight I notice a nonglobal floating gate node in the vcocell subcircuit, so I believe at least this circuit part won't work.

## Convergence problem in transient bias point calculation

PSPICE like simulation programs don't like "floating points" and they frequenctly stop due to this error.There is a floating point in your circuit ( V_ of the OPAMP because of very high impedance ) and you'd better to connect a 1G Ohm or 100M Ohm ( for instance ) from this node to GND. You circuit might be unstable too, check the stability (...)

## How to eleminate floating point existence in AC-Coupled digital circuit

Hello there, I have designed a 3-input NAND gate by capacitor network connected to a NOT gate. this circuit functions well. recently i have found out that when inputs are stable and a noise occurs in node g, functionality of my circuit fails. this is because of node g which is floating point of my circuit. given that inputs are logical (...)

## How does this eeprom cell work?

The tunneling node will be driven to high positive or negative voltage to drive charge into the floating gate. However this schematic looks like it's missing something - there is no explicit return path for the tunneling current. I have seen other schemes where there is another electrode on the tunneling FET.

## How to understand charge sharing in charge pump of PLL?

if there is not a unit gain opamp, voltage of node N1 and N2 would not change too much , so charge sharing is not terrible. N1 and N2 are floating up to the supply rails minus current source saturation voltage, the parasitic charge transferred to the loop capacitor might be "terrible" enough, CS saturation possibly causes addition

## Pspice model ad976 pin dgnd is missing

If DGND isn't used in the schematic model (did you create it yourself?) why do you have a DGND pin? The pin properties can be set to ignore floating state, however. If you are using mixed signal simulation in the model, there may be still an internal DGND node, but it would be connected to the global DGND, I think.

## PSPICE error - floating node

I am beginner of PSPICE. I am designing a clipper circuit in capture as given in a user guide manual. But errors are occurring that node is floating. I am attaching screenshot of schematic here(this forum does't allow attaching schematic file). Please help. After running bias point analysis, PSPICE output file shows - ** Creating

## Allegro Design Entry CIS - floating node problem

Hello, I am currently using Allegro Design Entry CIS, and I'm rather new to it. I built a double pulse test circuit but I am having trouble simulating it. I created a new simulation profile and ran a transient analysis to 15us with a max step size of 10ns. Upon simulating the circuit (and I'm not expecting correct results the first time),

## 3rd order bandpass filter simulation on Cadence 16.5

I think any node that has no resistive path to ground will give the "floating nodes" error. Just connect a very large resistor from each of those nodes to ground (large enough to have no effect on the AC filter response).

## How to find a floating node in the schematic

Hi all, How to find a floating node in the schematic where manual check is not feasible?. And also how to find the short path from VDD to VSS in the circuit?. We have tristate inverter, inwhich it has 3 states-0,1 and High impedence. Where this type of circuit is used? And whether tristate inverter output is fed to any gate? Thank

## Nmos transistor floating source node

For an nmos transistor if Vdd=5v, Vin is connected to nmos transistor gate, vdd is connected to the drain and source is left floating (node V01)tell me what are Vo1 when Vin is 5V, 3V, 2.5V and 0V.