Questions tagged [output]

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

Filter by
Sorted by
Tagged with
1
vote
1answer
280 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. ...
0
votes
1answer
45 views

Output on Pass-transistor NAND gate lower than expected

I have an assignment to design an IC NAND gate, consisting og 2 NMOS-transistors and a designed inverter as seen in figure 1 and 2. But when measuring the output at Vout, we only get about 60% of the ...
0
votes
1answer
28 views

Expected output of DFF_2 if DFF_1 has hold violation

I am trying to figure out the output of flop DFF_2 when If DFF_1 has hold violation. My answer - DFF_2(Q) = X If DFF_2 has hold violation. My answer - DFF_2(Q) = X I understand the FF's go to meta-...
0
votes
0answers
41 views

Television output voltage at the headphone jack

The 3.5 mm headphone jack on an old tv is putting out 49 volts. This would seem too high. I am trying to fault find why my son received a shock from an amplifier body when he switched it on to play a ...
0
votes
2answers
46 views

Interconnect 5v - 3.3v

Is this correct to connect 5v outputs and 3.3v inputs ttl logic via an open drain transistor and an internal pull-up resistor on the digital input? I suspect the 5v part can influence to the 3v part ...
0
votes
2answers
527 views

How does an output switching from HI or LO to HI-Z affect an input in CMOS?

Let's say we have a tri-state buffer output connected to an inverter input, implemented in 7400 series CMOS chips. If the buffer output is HI, the inverter output is LO. If the buffer output is LO, ...
6
votes
2answers
6k views

What does pulldown resistor from Arduino's output pin to ground do? Is it necessary?

I came across the first picture below. But I am not able to find out how such arrangement is necessary or beneficial when you want to switch a load with an N channel MOSFET? Question number 1: Is ...
0
votes
0answers
27 views

capacitive displacement sensor calculation

while studying this certain types of problems with capacitive displacement sensors I came across one in particular that I am pretty much stuck. The whole problem is explained in following text and ...
2
votes
1answer
276 views

SMPS output noise: Why is it amplified further away from the output capacitor?

Well this is just a general question about switch mode power supplies, but i have recently built a buck converter, and read that it is very important where in the circuit you place your probes, to ...
0
votes
3answers
320 views

Output Pin of Burleigh PZ-150 Amplifier Driver Analog High-Voltage Power Supply Unit

I have found a Burleigh PZ-150F Analog Amplifier Driver. However, I could not locate the manual. What connector cables are compatible with the output port of this amplifier? It seems there are two ...
0
votes
1answer
61 views

Seven Segment display VHDL code issue [closed]

i am trying to use a seven segment display to show the numbers 0 to 9, using BCD and the dip switch the FPGA Board includes to determine the High and Lows. I found some relevant code but, my FPGA has ...
1
vote
1answer
246 views

Combine 1 connector for in and output

To simplify the outside design as much as possible (keeping it simple to use and less expensive) I would like to use just one small 2-pin connector both as output to drive an external led and as 5V ...
0
votes
3answers
159 views

Can I use an RC network somehow to allow reading of initial values from jumpers into a micro controller?

I completed a microcontroller project but I want to add a feature where when it starts up, it can read a 4-bit value defined by on-board jumpers (jumper closed = logic low, jumper open = logic high ...
2
votes
1answer
3k views

Fuse blown indicator circuits compilation

I have been working in a compilation of circuits to use that basically show to the user that a fuse has blown up, this is particulary useful in the bench, needless to say I haven’t tested all of them ...
1
vote
1answer
45 views

Is it possible to increase the current avalible without changing voltage on my DAC circuit?

I am using a Raspberry Pi and a Adafruit MCP4725 to control a mass flow controller, as well as powering the DAC, and I am meeting the bare minimum of current to control it with the Adafruit MCP4725. ...
0
votes
2answers
35 views

What is the output type of the 74AHC594?

What is the output type of the 74AHC594 IC? I didn't find the answer in this datasheet. There is stated in some datasheets for the 74594 IC from other manufacturers that the output type is buffered. ...
0
votes
0answers
14 views

Connecting balanced output with unbalaned input using adaptor

I want to connect my audio interface (balanced TRS jack output) with guitar pedal (unbalanced TS jack input) and I wonder if this kind of adapter will work: https://www.amazon.com/dp/B001JYSMV0/ref=...
0
votes
1answer
120 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 ...
1
vote
1answer
184 views

PCM5102A: analog output level not what I expected?

I cannot achieve a 2.1 Vrms mentioned in their datasheet (pages 4 and 9). I can only output 1.04Vrms from the 1kHz source. Do I measure it wrong or this is what I should expect? Or maybe I get such ...
1
vote
2answers
189 views

What is the meaning of output of an accelerometer

I know this question is not fully related to aviation, but I assume the people on this subsection will also have some idea. Suppose I have an accelerometer resting on a table(flat surface, horizontal)...
-2
votes
3answers
621 views

Understanding circuit : Output of a CD4017 with 1N4148 diode and RC circuit

I'm reading a circuit on a magazine (look at circuit below) and i don't understand , why the author put a 1N4148 diode and a RC circuit at the output of CD4017 , what is the operations of the RC ...
2
votes
1answer
47 views

555 timer that does not output low when reset

I'm trying to design a circuit with the following goals: When not active, output can be either Vcc or floating When triggered by pressing a button, output pulses several times to GND at some ...
0
votes
1answer
42 views

Connecting balanced low impedance output with unbalanced high impedance input

I want to send the signal form my audio interface to the guitar pedal effect. I'll use interface's line out balanced output and plan to plug it in to the effect pedal which has high impedance ...
0
votes
3answers
117 views

Is it a good practice to use resistors for MCU inputs for this case?

I want to use Arduino Uno or a Nano which uses ATMEGA328P as micro-controller. D2 is now set as INPUT. During the start up I want the MCU to detect whether pin D2 is HIGH or LOW depending on the ...
0
votes
1answer
60 views

ESD protection diodes on audio inputs / outputs?

I'm building a digital audio device with 1/4" stereo in and outputs that connect to a CS4272 codec. I'm wondering if and where I should place esd protection diodes. Pictured below is the analog part ...
0
votes
2answers
268 views

DC-DC converter and trim resistor

I'm using this DC-DC converter +/-5V output version and I decided to use the trim up setting to get as close to 5.5V as possible. I determined the resistor value using this formula And got around 3....
0
votes
0answers
60 views

Power Supply - 2x output cables, joined at common rail

I have a 24V 25A power supply providing the juice to my 3D printer but it's a cheap LED driver and it's noisy - it's just the fan but as it's at home it's annoying. I'm looking to replace it with ...
4
votes
2answers
4k views

Is pinch off voltage of JFET constant?

The drain current is related to gate to source voltage by the following equation: \$I_d = I_{dss} (1 - \frac{V_{gs}}{V_p})^2\$ Now, with changing \$V_{gs}\$, I think \$V_p\$ also changes. I am ...
0
votes
2answers
42 views

Load Cell Amplifier

I'm not from an electrical background and looking for possible options to amplify the load cell output. I'm using the following loadcell with a 2 mV/V output. http://www.sentranllc.com/pub/...
4
votes
3answers
4k views

Speaker level to line level

I want to reduce my amplifier output to line-level. I found this tutorial, Connecting speaker signals to line level inputs, which is compatible with 50 W output power. There is also mentioned ...
9
votes
4answers
3k views

Does there exist an IC that allows on-the-fly routing of signals?

Do there exist ICs with N input pins and N output pins which, either via EEPROM setting or via on-the-fly control by a microcontroller, allow one to route each of the N inputs to ANY of the N outputs? ...
0
votes
0answers
49 views

Convert wet relay contact output to dry

I have a PCB which has output : GND and OUTPUT1. The contact is normally open, but when it closes it has voltage output of 4V and also closes the contact when checking on a multimeter. I want to ...
0
votes
2answers
71 views

Scanning simultaneously across 2-dimensions electronically (like a “3D oscilloscope”)

I have a laser that has sensitivity to two electrical inputs (that can be input simultaneously). Of course, I can easily add an electrical signal with an input of a "linear sweep", and observe the ...
0
votes
0answers
37 views

Implementation of complementary filter and output of sensor while stationary

The code for a complementary filtered angle is not outputting the expected angle. I can get close to 90° using arctan formula from the accelerometer sensor data. Whereas, the complementary filter ...
2
votes
4answers
289 views

Opamp output to source and to sink

The output impedance of an ideal opamp is zero. The output of an ideal opamp acts as an ideal voltage source. The output of the opamp should be able to output very large currents (to source) and (to ...
3
votes
2answers
213 views

Building a midi project with Arduino + scrap components (optocoupler and diode)

Original title: 300V output Optocoupler in a 5V circuit I'm (new to this) trying to build a midi controller (in and out) with arduino and scrap. I guess I had several questions in one so I changed ...
1
vote
2answers
2k views

Matching sensor output with PLC input

I am trying to add a height captor for a line of my production where I work. I found this Banner captor (QS30LLPQ) and it has 2 bipolar discrete outputs (PNP and NPN). Now, I am trying to decide which ...
1
vote
1answer
1k views

Spartan 6 bidirectional pins how to use

Is it possible to use pins of Spartan-6 bidirectional. (switch between input/output) The following is the situation: I have a high speed ADC and DAC, but this do not have to opperate at the same time....
0
votes
2answers
87 views

Is it possible to toggle a pin between “ground” and “not connected”?

I am trying to control a pump (ismatec ecoline V380) from a microcontroller (xmc4300, infineon) using an analog interface. The pump takes several inputs, most importantly: the speed (from a current ...
0
votes
3answers
73 views

What is the safest way to trigger an output?

I need to trip a 12V output with a signal. In other words, I will send a signal through the output of my microcontroller and ...
0
votes
2answers
774 views

STM32F103 PC13 on Output mode not work

I using STM32F103C8, I want to use PC13 in GPIO mode (RTC is active). The register ODR13 changes, but the logical value of the PIN does not change. ...
1
vote
0answers
59 views

Increasing output current from ZVS driver

I bought the ZVS driver as shown in the picture below: After connecting a flyback transformer, I tried measuring the voltage and current at the output. The open circuit voltage is about 12KV. To ...
0
votes
1answer
24 views

How to assign a single output to different modules in Verilog?

I have designed a simple ALU using Floating Point IP Cores in Xilinx ISE. I have an adder, a subtractor, and a multiplier. The IP Core of addition does the subtraction too and we have only two modules ...
0
votes
1answer
60 views

Produce and amplify analog signal with microcontroller (For PLC)

Overview I need to create an analog voltage of 0V-10V for the PLC with a microcontroller with operating voltage 5V. Approach I've been doing this research since last week. I'll share the results of ...
1
vote
1answer
55 views

GPIO Configured as Input OR Output

Is it possible to identify looking at the schematics whether a GPIO pin is configured as Input or Output pin for the case in following image? PIN93 and PIN94 of a MCU are connected directly with ...
0
votes
1answer
34 views

Some schematic voltage values (physical names) missed when printed or generated in Altium

Maybe it's a silly issue, but the fact is that I don' t know why a voltage value is present in the schem project document but it will disappear from the destination document (printed or generated) at ...
0
votes
1answer
69 views

How to find the output voltage of a system with a computing amplifier?

I got a question regarding the following system. The only given value is the input voltage $$U_e = 8V.$$ Now the task is to find the output voltage $$U_a.$$ My question now is how do I find this ...
0
votes
2answers
60 views

What should be the output resistance of this source with series diode?

Below shows three sources with open terminals: simulate this circuit – Schematic created using CircuitLab In Figure 1 if we want to calculate the output resistance, according to the linear ...
0
votes
1answer
83 views

Output problems with lm124 opamp

I am using this circuit to supply current through R1 which is a 50Ohm coil. Opamp is Lm124 supplied as shown in the schematic. Vin is a voltage that can be between 2.5V and 3.5V. Everything works fine ...
0
votes
1answer
139 views

LTspice not giving correct output

I'm trying to make a negative voltage power supply, mainly for opamps. I did some googling and found a circuit I like, so naturally before making it, I wanted to simulate it first. It has 12V on the ...