Stack Exchange Network

Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [output]

A signal or power being generated by one system for consumption by another, or a connection for that purpose.

0
votes
0answers
14 views

Created this Filter Amplifier Circuit; How do I connect this load while maximizing gain?

*Filter Circuit on Left, Load on Right. To give some background, that load is supposed to replicate a long 12V power line (with other stuff on it) on which we will be sending AC signals on. The gain ...
0
votes
2answers
29 views

Regulator output current

What is the meaning of output current of the regulator. For example, IC datasheet's written as "300-mA Output Current Capability", the maximum output current must be 300mA, isn't it. What'll happen ...
0
votes
0answers
23 views

Difference between UPS output power source modes [closed]

We are currently monitoring a Delta GES803HP3312035 UPS with SNMP, but we don't know what do the output power source modes we are getting mean. The specific MIB OID is dupsOutputSource (1.3.6.1.4.1....
3
votes
2answers
136 views

Output resistance of MOSFET circuit

I am trying to find the output resistance \$Rout\$ of this circuit consisting of 3 n-type MOSFETs. It is given that all 3 MOSFETs have \$g_m=4 mA/V^2\$ and output resistance \$R_o=100k\Omega\$. ...
0
votes
0answers
32 views

Electrical isolation in PLC output cards

Every output card spec sheet I read says something about electrical isolation. One I read recently said "Isolated 1500VDC channel to channel". What does isolation mean and what advantages do isolated ...
-3
votes
0answers
35 views

What is the OP for this transistor schematic based on the known values? [duplicate]

Does anyone know how to calculate the OP based on the known values from the schematic?
1
vote
1answer
73 views

MOSFET - shorting the gate and source

I am currently in the fourth year of my bachelor's degree and my knowledge on this is really really really very limited, but i got a simulation circuit of an isolated dc-dc converter from my senior ...
0
votes
2answers
21 views

designing load for the MCU to drive by output current

I am talking about a plain MCU (ATMega32, max 20 mA per pin) output asserting a logic line high or low. I.e. to drive this IC: http://www.ti.com/lit/ds/symlink/ads114s08b.pdf There is a table ...
1
vote
1answer
86 views

What type of outlet is this?

Does anyone know what this outlet is for and why it would be sparking with nothing in it.
0
votes
2answers
53 views

Common collector effect of emitter resistor on output impedance

I've been trying to figure out why the expression for output impedance in a common collector configuration contains a parallel Re emitter resistor. Looking at the classic circuit, it looks as though ...
0
votes
0answers
57 views

PORTB Interrupt-On-Change in PIC16F887 microcontroller triggering issue

I have a question regarding PIC16F887 internal interrupts. Can PORTB Interrupt-On-Change in PIC16F887 microcontroller be triggered if the PORTB is configured as output port? its Datasheet doesn't ...
0
votes
0answers
36 views

Bipolar, tristate-able, overvoltage capable, digital output stage?

I need a digital output driver, with 5V TTL input and bipolar output voltages supplied from -10V and +10V rails. It must be able to go to tristate. It must drive about 5mA. In tristate it must survive ...
0
votes
0answers
67 views

Advantages and disadvantages of voltage output vs. current output PMT modules

Context: I am building a custom right-angle static light scattering setup to measure aggregation of biomolecules in aqueous solution. I need the instrument to be as sensitive as possible, to allow ...
0
votes
1answer
43 views

Output impedance of CNY70 circuit

I have a CNY70 sensor connected this way: I read the output (the CNY1 port) with a PIC18F2550's ADC and in the datasheet, it tells me The maximum recommended impedance for analog sources is 2.5 kΩ....
0
votes
2answers
66 views

Output impedance of a 4mA to 20mA current loop

I have the most basic of basicness circuit. The implementation is a XTR115UA IC with a 40µA - 200µA input (based on sensor voltage) which is amplified to the desired 4mA to 20mA current in the current ...
0
votes
2answers
129 views

What is the meaning of output voltage and current?

I have a 5V power supply with DC output rating: 5V @ 1500mA. It could power my High Torque servo very well. I, however, have a fairly used 9V Alkaline battery. I shorted this battery and I measured ...
1
vote
2answers
379 views

What is the purpose of diodes in parallel with transistors in a solid state relay?

I know the diodes facing each other are for ESD protection, but what do the diodes facing opposite do ? The circuit is basically a 24V (usually used in industry) digital output.
-2
votes
1answer
88 views

Using LTSpice to find the gain of NPN-PMOS folded cascode

I am trying to use LTSpice to find the gain of NPN-PMOS folded cascode. Below is the question prompt: In the problem, the parameter specifications are as follows: \begin{equation} \beta =100,\:V_A=5V\...
0
votes
2answers
99 views

Using Raspberry to switch 12V

I want to use my Raspberry Pi to turn on and off a 12V current for a certain amount of time. I've read a lot on Raspberry Stackexchange and I've understood that the 5V GPIO Pin is... Not GPIO, meaning ...
0
votes
2answers
172 views

finding output resistance of CB amplifier with ro

I have this CB amplifier circuit below This is the small signal equivalent circuit arranged to find the output resistance R_out with the r_o included Here is my analysis below to find the output ...
0
votes
2answers
62 views

About the output resistance of a voltage amplifier

I know that, if I have a voltage amplifier, the output resistance Rout should be as small as possible: indeed, if the circuit is replaced by its equivalent Thevenin's circuit (1st picture), the ...
0
votes
0answers
52 views

Transistor, resistor, capacitor circuit

So I've been having problems trying to find something that will help show me how to put the formulas together for series/parallel resistors, capacitors, and transistors. I have a a simple circuit ...
0
votes
0answers
36 views

Op Amp Output Current Requirements

Suppose I have a circuit like the one below. In simulation, at the point of maximum current draw, I measure the current through R1 to be ~-10mA, R18 to be ~28mA, R19 to be ~28mA, R3 to be ~-25mA, and ...
2
votes
0answers
61 views

Is a 90V output spike normal for a 45V buck boost converter?

The LT5176 buck boost converter outputs a short 90-91 volt spike at at the output in the 2nd second after startup, applying power to Vin. Schematic More details at Why does this buck boost with ...
1
vote
1answer
63 views

Common audio signal voltage range on Line out connector

What is typical audio signal voltage range on Line out connector of consumer electronic devices? (Vmin/Vmax) I need specify Input voltage range to calculate op-amp. ...
2
votes
1answer
118 views

Retro computers and “jail bars” on the screen [closed]

I have tried to eliminate "jail bars" on the screen after UHF mod to video out (based on that: http://zx81stuff.org.uk/zx81/ts1500_video.html) by adding 460uf 16V capacitor between +5V and GND but it ...
6
votes
1answer
168 views

Fourier series of output voltage

I've been practicing some Fourier series questions and then verifying my answers by generating an equivalent graph on MATLAB and comparing it with the graph generated by PSpice in simulating the same ...
0
votes
2answers
54 views

How can I increase the number of USB outputs of a powerbank which only has one output? [closed]

I'm talking about outputs which we use to charge our devices with. Would using USB male to two USB female cord be a bad idea?
1
vote
1answer
352 views

How to determine LV CMOS output impedance?

I've successfully been using this circuit: to generate a +13 dBm sine output (the frequency is 10 MHz). The NB3N551 has an output impedance spec of ~20Ω or so, which means the input to the pi filter ...
0
votes
1answer
141 views

Output impedance seen by the load in this emitter follower

I'm trying to understand what the concept of "output impedance" relates in a simple buffer such as an emitter follower conceptually without digging in formulas. Imagine the Rload is about to be ...
0
votes
1answer
58 views

Simple circuit- Diode and the output voltage

I have found the current right but I thought 22V-2.2k(4.84mA)-0.7 would be equal to V0(or 2.2k(4.84mA), voltage from lower branch- both are equal and so no inconsistency), why is my logic wrong and ...
0
votes
1answer
49 views

Relay output issues

I am currently working on a project and to that end, i need to switch a 50VAC, 6-7 micro amp input across two outputs with a delay.I used a relay module connected to an arduino to do so. I intended ...
0
votes
3answers
66 views

Can I supply a device rated for 1A with 15A power supply? [duplicate]

I'm talking about a big difference between output current of the power supply and rated current of the device here. Would it burn up?
-1
votes
1answer
137 views

Error: illegal Verilog output port specification

I am having problems with my verilog test bench. Every time I try to run it, I get the error in the title above for my four switch registers. I have searched this question numerous times but I cannot ...
0
votes
2answers
181 views

Can any type of op amp output stage be forced into Class A operation?

I'm trying to choose a good op amp for a Class A small signal audio amplifier circuit. I've done my research and understand the use pull up or pull down resistors externally to force Class A ...
-1
votes
1answer
92 views

What does “LB” out mean in a DC-DC buck converter?

Teacher gave me a schematic,and it includes a DC/DC buck converter with "LB" input and output,but i have no idea what the "LB" is,so i want to ask that does someone know what may the "LB" be?
0
votes
2answers
61 views

Transimpedence amplifier output from 0 to 3V

I have this circuit configuration using the Lm324an op amp with a 5V rail (needs to be 5V) an infrared led and a photodiode. At the minute using a using a 1M resistor the output swings to rails when I ...
0
votes
1answer
176 views

Formula for BJT common emitter output characteristics curve

I collected experimental data of input and output characteristics of a BJT NPN in Common Emitter configuration. I need to find the right function to fit the Ic vs Vce, but I'm not finding it. I've ...
0
votes
3answers
86 views

Why do two different ICs have wildly different high level output voltages?

I have two ICs on a breadboard (74ls374 D type flipflop and 74ls04 hex inverter) and I have an arduino measuring the voltage on the respective output pins of those ICs. The outputs are both at a logic ...
1
vote
3answers
245 views

What decides that an IC will be able to sink or source current?

Correct me if I am wrong but so far, I've learnt that some ICs can source current while some can only sink (open-collector) while others can do both. And it is decided by looking at the datasheet, Ioh ...
0
votes
1answer
50 views

My analog sensor outputs .5 to 4.5VDC. How do you convert to analog 0-10VDC?

My analog sensor outputs .5 to 4.5VDC. How do you convert to analog 0-10VDC or 1-9VDC?
0
votes
1answer
69 views

Tristate driver I/O for analog signals

In FPGAs a tristate drive is used to convert a pin from an input to an output or vice versa. Now this works only in digital circuits. Is there a way how you could obtain the same functionality of ...
0
votes
2answers
69 views

Analysing an op-amp circuit and I do not understand a specific resistor value

Hi was reading this article and I read: There is written: Here, the feedback resistor Rf provides a discharge path for capacitor Cf, while the series resistor at the non-inverting input Rn, when of ...
1
vote
2answers
74 views

What would the output impedance be if R5 And R6 were not in the circuit?

If R5 = R6 = 10 ohms then I think that the output impedance would be 10 ohms. What would it be if R5 and R6 were not in the circuit? Thanks
0
votes
1answer
66 views

How would you calculate the input and output impedance of this amplifier?

How would you calculate the input and output impedance of this amplifier? I have done a lot of research and found so many conflicting pieces of information. Not sure what is right. C1 = 10Uf, C2 = ...
9
votes
6answers
2k views

Simplest, cheapest, fast and minimum footprint current limiting circuit with low resistance in normal state

I have a digital output, driven by the high-side driver with nominal voltage of 24V DC. The load current normally is below 100 mA. The output is monitored, so I can switch it off quickly if I detect a ...
1
vote
1answer
153 views

Is it necessary to integrate the output voltage of Rogowski Coils, but not the output voltage of current transformers?

I have researched how Rogowski Coils works, and I have seen the integrator circuit at the output of the coil, I have seen the waveforms, done the math, I know that it's necessary to integrate the ...
-5
votes
1answer
108 views

How can I increase amplitude without affecting frequency accuracy? [closed]

I have generated a variable frequency generator which generates frequency from 0 to 10kHz, with the amplitude of 4.8-5.2 V. How can I increase the amplitude up until 8V without affecting the accuracy ...
1
vote
1answer
764 views

in SPI, can MOSI and MISO be connected together?

I'm using an 8051 series microcontroller, and documentation states that if I use serial mode 0, then its RXD pin can function as a bi-directional pin (both input and output) while TXD is strictly a ...
6
votes
2answers
318 views

Clipping Class-AB Output

This assignment we have been given has been causing me major headaches. I feel like I'm finally close to getting this amp to work after hours of fiddling around, but now I've found the output is ...