Questions tagged [output]
A signal or power being generated by one system for consumption by another, or a connection for that purpose.
444
questions
0
votes
1answer
60 views
Watt output of radio station
I was wondering how many watts an AM radio station outputs, and if I can calculate the watts on a tuned antenna by this equation:
Where Win = the watts input for the antenna, Wout = the watts output ...
0
votes
0answers
41 views
LM3478/LM5155 configuration on a wide input and output voltage range
In my last question I mentioned the case of obtaining different output voltages from a single switching regulator. I ended up running a successful simulation of such setup in LTSpice using MC34063 and ...
0
votes
0answers
22 views
finding output voltage of 2 cascaded sub circuits without KCL
Hi I am trying to cascade sub-circuit 1 and sub-curcuit-2 and find Vout2 with given Vin1. I do not want to just cascade them(connecting Vout1 node to Vin2 node) and write bunch of KCL equations. I ...
0
votes
1answer
55 views
Why doesn't function generator documentation ever mention the maximum output current?
The output impedance mentioned, but how does this translate to maximum current? What happens if you short circuit the output of a function generator?
Let's take the XR-2206 for example.
The datasheet ...
-1
votes
2answers
69 views
transistor amplifier
My teacher asked me to design an amplifier circuit using BJT transistors with following properties: (Is=10fA , beta=100, Vce sat =0.2)
I can use as many transistors as i want but i try to minimize the ...
1
vote
1answer
39 views
555 timer output equation
I've read that that the output voltage available at the Vout pin is approximately equal to the Vcc applied to pin 8 minus 1.7V. This is for an input voltage of +15V.
I wanted to know if there is an ...
0
votes
2answers
70 views
What is causing the erratic sine wave in my Hartley oscillator?
I have made a Hartley oscillator in multisim in order to convert a DC input into an AC output but my output sine wave is not smooth. I don't know what is causing it.
Hartley oscillator configuration ...
0
votes
0answers
19 views
8x3 Priority Encoder question about the output functions
Cheers, I have this 8x3 encoder with inputs of Ai and outputs Yj. I have to find the minimized function of the outputs.
[![8x3 Priority Encoder Truth Table][1]][1]
I understand that for Y2 the output ...
0
votes
2answers
64 views
How does increasing the capacitance affect the output voltage for a buck converter and boost converter?
From the formula of charge relating capacitance and voltage,
$$ Q = CV $$
Capacitance is inversely proportional to voltage.
This is how I got the idea that possibly when increasing the capacitance, ...
0
votes
2answers
56 views
How to make push button as logic state?
We know when use switch easy for us to state input logic.
Logic 1 means input connected to positive terminal.
Logic 0 means input connected to negative terminal.
How about unconnected input from ...
0
votes
0answers
16 views
Buck regulator output capacitor via current sharing - whether via symmetry matters
I have a question regarding Buck regulator output capacitors via current sharing.
we have 12V to 1V @ 35A regulator design, which uses 7x100uF,5x150uF bulk capacitors, which are placed sequentially ...
0
votes
1answer
79 views
How many I/O pins does this device have?
Digilent Online Store Page I have attached a link to the digilent store webpage of an FPGA board where the datasheet and schematic can be viewed in PDF's.
I want to know how many free digital I/O pins ...
0
votes
3answers
72 views
L317T voltage regulator output too low
I got a L317T voltage regulator. I connected it to a 12V input, but the output which i get is only ~0,32Volts instead of ~5Volts. Why is that happening. Its not a problematic regulator. Every one of ...
3
votes
2answers
82 views
How to prevent short circuit between output pins
I am trying to hack some signals coming from an old computer going to a Floppy drive using an ATtiny1614 microcontroller.
Normally the computer has full control of the signal lines but at some window ...
0
votes
0answers
56 views
Name of unusual power adaptor plug
I'm trying to find out if this kind of power plug for my laptop has a name, so that I can google for it more successfully.
I haven't ever seen any other like it, with its 4 pin connectors.
Does this ...
0
votes
2answers
88 views
How can I protect an analog output from high voltage?
I have a DAC output from my STM32 microcontroller. The DAC output gives 0-3.3V and I want to protect it from high voltage backwards, e.g if I apply e.g 30V onto the DAC output by mistake.
Is this the ...
1
vote
0answers
35 views
Linear systems, causality input-output
I have been preparing for a midterm and my professor posted a sample midterm but no answers, i solved the question here and asked him if it made sense, and he said the answer will be fully correct if ...
0
votes
1answer
81 views
Why would we use a Single Schmitt-Trigger Buffer?
The SN74LVC1G17 was used on a DIO circuit as a buffer on a FPGA. Is it used to have a higher current on the output ?
Here is the datasheet
https://www.ti.com/lit/ds/symlink/sn74lvc1g17.pdf?ts=...
1
vote
1answer
100 views
Using an LM358 as line level buffer
Recently, I've acquired an old SNES, specifically the SNSM-CPU-1CHIP-03 model, with no audio output.
I traced the issue to a dead S-Mix chip, essentially a buffer between the audio DAC and the line ...
0
votes
3answers
61 views
How can this circuit be best described?
Here, the green waveform is the input waveform(V1) and the blue waveform is the potential drop across Vc1 and Vc2.
To me it seems like a peak detector getting clamped, but then the first half cycle ...
-2
votes
1answer
57 views
What is this circuit with increasing voltage of full rectified wave?
{ The first image is original circuit.}
{ The second image is the output across RL resistor with ac source amplitude voltage 5V. } {Simulated circuit with output measured between A and B nodes.}
To me ...
1
vote
2answers
77 views
Op-amp as an inverting amplifier with diode on OUT, circuit close to precision rectifier
I am wondering which kind of circuit is that and what is does when +-Vin is applied on the input. The output of the circuit is cathode of D26/R30/C52 node.
Thank you.
0
votes
3answers
120 views
Why is the output impedance of a non-inverting op amp zero? [closed]
Also is it actually zero or just very low?
1
vote
1answer
35 views
Differential signalling with negative feedback
Does differential signalling always comes hand to hand with a negative feedback circuit?Else the 1s and 0s would be the same!because if we have ground in the inverting pin then the output voltage will ...
3
votes
1answer
119 views
OP Amp controlling a Power Mosfet
let me say that I have a 40 Years+ experience in digital electronics (I worked for Sperry Univac) but my knowledge of basic analog electronics is almost zero, so I beg you pardon for may possibly ...
0
votes
1answer
66 views
Why isn't high side digital output stable?
Our Advanced Drive Assist Systems(ADAS) project is based on Renesas RH850/U2A16 microcontroller. We are using Infineon Technologies TLE75620-EST, SPI Driver for Enhanced Relay Control IC for driving ...
1
vote
2answers
87 views
Connect 16 outputs to as few pins as possible on a microcontroller
I would like to control 48 outputs from a microcontroller, with individual access to each of them.
But let's focus on 16 outputs.
My initial solution involved a 1:16 demultiplexer and 16 (actually 8 ...
0
votes
0answers
54 views
Push pull output stage max output voltage
Spent a day trying to understand the maximum and minimum output voltage of the basic circuits as shown in this figure
The problem is that I have come across different expressions for the output ...
0
votes
1answer
35 views
What happens to the output if ADJ pin of a linear regulator is grounded?
I am trying to understand the output voltage of a circuit made using LT3014 LDO regulator.
Datasheet: https://www.analog.com/media/en/technical-documentation/data-sheets/3014fd.pdf
The circuit is ...
1
vote
2answers
44 views
What affects a microcontroller IO's VOH_min and VOL_max?
What affects VOH_min and VOL_max? Is it just the current being sourced/sunk by the pin? Or are there manufacturing variances or temperature effects etc that can swing the output voltage away from ...
1
vote
0answers
21 views
Timer not having output after initial powering
DGM TIMER RELAY BOARD 12V 1S-1HR
Time Delay ON or OFF 12V Relay Board with jumper settings and 8 Time Ranges selectable from 0.1s up to 1 hour accessing loads 250VAC 10A or 30VDC 10A
I believed this ...
1
vote
1answer
49 views
Why does Basler GPIO need to have an external powersource + resistor to its GPIO output
Background
We are usingzBasler camera with an output trigger. The camera output gpio is 3....
0
votes
0answers
31 views
I needed to find the impulse response of the low-pass RC filter described by the differential equation and the output
If someone could check it, that would be great.
0
votes
0answers
64 views
Output Stage Stability
I've been reading over amplifier output stage design and hoped someone might be able to advise if my circuit has any fundamental flaws - or if there are any tweaks I should make that would bring ...
0
votes
1answer
53 views
What to do with GND of differential mode signals?
Let us say I have 2 modules. First module gives a differential signal output on a pair of wires while the second module takes the differential signal input.
When I connect the differential signal ...
0
votes
0answers
205 views
Proximity IR Sensor Circuit using TSOP VS1838 output problem
I am assembling a proximity IR Sensor using TSOP instead of Photodiode. I followed the diagram below. When I tested the circuit, and put my hand close to the IR LED. The receiver receives the signal ...
0
votes
1answer
82 views
89 Hz Wien bridge oscillator output signal does not appear
The circuit is designed to generate 89 Hz, but in this case, the sine wave does not appear.
0
votes
1answer
65 views
Push on long push off button circuit
I want to design something like this:
There is a button, an input pin, an output pin, a voltage input, and a voltage output.
If the button is pressed once while the device is off, it won't do anything....
-1
votes
1answer
73 views
9V and 12V adaptors - bad output [closed]
I have a couple 9V and 12V adapters ranging from 1A to 5A.
When I plug any one of them in, it produces accurate voltage but the current oscillates between 0A and anything upto maximum current and then ...
0
votes
2answers
66 views
Electric circuit which flips voltage
Is there an electric circuit which flips voltage? For instance if the input is Vi>0V then the output will be 0V and if the input is 0V then the output is >0V.
And i am not reffering to the NOT ...
1
vote
0answers
76 views
Why does customer see high voltage on my PNP sensor output?
I have designed a capacitive sensor with a PNP output. The output stage is a Sziklai pair, as follows:
simulate this circuit – Schematic created using CircuitLab
While the circuit works OK, one ...
0
votes
1answer
23 views
Linear electrical network
Is zero input zero output test of an electrical network is necessary and sufficient condition for network to be linear i.e for example if I have electrical network of N-port and I measure current and ...
0
votes
0answers
53 views
op amp - current source - voltage output
I have the electronic schematic bellow composed with two op amp and I want to determine the voltage output of the X2 op Amp.
I m a little bit confusing about the aim of using the zener diode D1 in ...
0
votes
1answer
158 views
How can I convert analog voltage to PWM converter just by changing the input voltage [duplicate]
Which is used to convert analog input signal to PWM output. How can I vary the output with the input? How I can vary duty cycle?
0
votes
1answer
23 views
Connecting loads to an MCP23S17 GPIO outputs
I would like to connect various MCP23S17 datasheet devices to the Raspberry Pi3 MB SPI port. But first I would like to start making some test with a single connection: only one chip. After this I will ...
1
vote
1answer
119 views
I can't get the desired output voltage
This is a simulation of a buck boost converter. I want to get -12V as the
output voltage , but I get -1.148V.
I checked the PWM and the duty cycle and it is right.
I think that my problem in ...
0
votes
1answer
52 views
Use one GPIO output to set two inputs to opposite states (low and high)
This is all still very new to me so apologies if this is a silly question.
I have two LDO voltage regulators, each of the ENable pins are different, to enable them one ENable pin must be LOW and the ...
1
vote
2answers
94 views
Calculating voltage output from a circuit with capacitors
The question is outlined in the image below. I am having trouble solving this problem. If at all possible would one of you please provide the solution. Thank you
0
votes
3answers
285 views
Can every logic ic output be connected directly to ground or Vcc in any case?
One day, someone here, I forgot who, wrote: "On modern ic's, every input and output pin can be connected directly to either ground or Vcc." Talking about ologic ic's.
Is it true? And is true all the ...
2
votes
2answers
195 views
Step up converter
I built a circuit of boost converter and my input voltages is 6-9 V. I want to get output at the converter 9-12 V. My problem is that I get over 40 V and I do not know why, in the code do I have to ...
