Questions tagged [single-ended]

An electrical signal composed of a single conductor carrying a voltage which varies with respect to a reference voltage (usually ground), as opposed to a differential signal, which consists of complementary signals carried on each conductor.

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109 views

How does this “single-ended push-pull with transformerless driver” work?

I'm studying the circuit block below in an Italian textbook, "Dispositivi e circuiti elettronici", by M. Gasparini, D. Mirri. The circuit is called "single-ended push-pull with ...
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1answer
37 views

RF output matching using baluns: LTC6946

The datasheet that I refer to below can be found here: https://www.analog.com/media/en/technical-documentation/data-sheets/6946fb.pdf I have a question about baluns. In the datasheet for LTC6946 ...
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359 views

How to connect/terminate differential CML logic outputs to single ended ECL logic input?

If I want to use a CML differential gate's (Ex: SY58051AU) output as the enable ECL input for an ECL counter(EX: MC100EP016A), whats the best way to connect the output to input? I think I need to use ...
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1answer
152 views

CAN bus with CANL only?

I'm interfacing a product that operates on a kind of CAN bus. Specifically, it uses the CANL line only. I'd like to use a transceiver I've used before, the MCP2562, and I suspect there's not likely ...
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1answer
63 views

Why is input resistance parallel with the base of BJT?

I'm solving for the third stage. The resistance looking into the base of Q7 is taken between its base terminal and ground as follows during small signal analysis for single end gain of Second Stage ...
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72 views

Current transformers, voltage output vs current output

I'm designing a energy monitoring system that is using split-core clamp current sensors to measure multiple high power lines(40+ lines at 300A each) in a MCB room of a building. I'm currently sourcing ...
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2answers
639 views

Why do differential signals need an inverse wave?

At the moment, I'm working on converting a single ended audio signal to a differential one (source is a CS42L55, need a differential input for a CSR8670. The latter's datasheet is indecisive about how ...
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62 views

Differential to Single-Ended Converter + Common-mode Shift + Sallen-Key Filter (Is one Stage Possible?)

I have a differential signal that needs to be conditioned as follows: Convert from differential to single-ended. Filter with a 3rd order Sallen-Key filter Common-mode shift into an single-ended, ...
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2answers
86 views

Read USB data to arduino [closed]

If I take a USB cable connect it with my cellphone from 1 half and in the other end I connect VCC and GND to VCC and GND pins of the arduino and the D+ and D- pins to digital pins and use a ...
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1answer
100 views

Solving a simple single-ended differential amplifier

simulate this circuit – Schematic created using CircuitLab N.B. I_D=KVov^2 without the 2 I’m really confused with this excercise, my problem is to calculate the A_v=v_out/vd and the cutting ...
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2answers
120 views

Converting differential-current output to single-ended voltage; adjustable gain

I want to convert differential-current output of DAC2902 to single-ended voltage. Can I do it with following differential op-amp configuration at the output of the DAC? The voltage gain is fixed = 1 ...
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43 views

Is this slide wrong about the differential signal waveform?

While learning about the differential signals I saw this youtube video. It looks like this slide does not correctly shows the voltage levels of the complementary differential signals, as I have marked ...
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1answer
135 views

How do I convert ADC single-ended output back to voltage (ADS1115)?

I am evaluating some ADCs for my project and am trying to understand the operation of Adafruit's ADS1115 16 bit ADC (https://learn.adafruit.com/adafruit-4-channel-adc-breakouts/downloads) in single-...
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2answers
105 views

Difference between two gain +1 op-amp topologies

I've got two differential driver circuit designs that take a single ended input and provide as output a buffered pair of +1 and -1 times the input and I'm struggling to understand the difference ...
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1answer
644 views

Differential to single-ended converter

Originally I wanted to setup a simple curve trace circuit to measure the characteristics of a BJT I salvaged. This circuit operates by measuring the voltage and current through the transistor for ...
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3answers
2k views

Why single ended signal line is not immune to noise in RS232?

In single ended signal line the measurement is the difference between the signal and the ground. Isn't this way of calculation make it differential? Almost all the resource I have read says that ...
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1answer
50 views

Input and Output Impedances of Single to Differential mode converter

I have this circuit that converts a single ended input signal to differential output signal. I want to understand how to calculate or find out its input and output impedances? The two op-amps are in ...
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216 views

Input and Output Impedances of Differential Amplifier

I have this circuit that is used to convert an incoming analog differential input signal to a single ended signal. The differential input is connected at IN+, IN- and the output is taken from OUT. I ...
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1answer
68 views

Differential to single ended digital signal

i have a 8GHz differential clock to convert to single ended. Is taking one end of the clock enough? what are the risks of doing so?
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1answer
3k views

Differential to Single-ended conversion clipping issue

I am attempting to convert the differential output of a DAC to a single-ended signal using the following circuit from a TI datasheet: The signals going into this amplifier look like this: And the ...
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153 views

Audio amplifier output bypass capacitor

I'm currently designing a single rail power supply audio amplifier and just wondering what the benifits are (if any) and if its worth including a film/poly capacitor in parallel with the large ...
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1answer
275 views

Definition of the offset voltage for a single-ended op-amp

Let's consider an op-amp: The book I'm reading says that, ideally, if the voltage difference between the two inputs is zero (thus vin1=vin2) then the output voltage should be zero. However, because ...
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3answers
512 views

Efficiency of obtaining differential signalling from a single-ended manufactured transducers

This will be a conceptual question. I'm sometimes dealing with data-acquisition of transducers, like strain gauges, accelerometers ect. sort of sensors. Most of these sensors have their own precision ...
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2answers
5k views

When would I use a 4-20mA differential current input?

I've recently run into a scenario where I need to pick between a singled ended current input (4-20mA) input device and a differential current input device. Single Ended and Differential. I've never ...
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38 views

Singled ended or Differential - Engine Control Unit

I know this topic has been beaten to death but I still have not got a clear understanding. Pardon me for my bad explanation as I am an automotive engineer by trade. I am simulating an engine knock ...
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79 views

Noise immunity of single ended analog voltage signal

I want to use a sensor with analog output in my design. The output of the sensor is a low frequency traingular wave (less than 300 Hz) and voltage vetween 0 - 5V. I need to carry the sensor signal to ...
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1answer
971 views

Single ended to differential conversion with voltage divider

Let's assume I have an AD-converter that expects a differential signal with zero common mode voltage and I want to connect a single ended signal source. If the AD has it's own isolated ground, couldn'...
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169 views

How to measure external voltage differential with single ended ADC?

I would like to measure voltages from external circuits with the single ended ADC from an Atmega324. The plan is to power the Atmega324 with 3.3V and use a 1.024 or 2.048 voltage reference. The ...
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1answer
60 views

Experimenting interference effects for different measurement systems

This is about for low level signals interference/noise being observed with single ended data acquisition inputs but not with diff inputs. Basically there are three data acquisition boards, where one ...
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1answer
256 views

Pseudo-differential DAC output to single ended [closed]

I have a Cirrus Logic CS43198 DAC with pseudo differential outputs. Is there a simple passive circuit to change them to single ended outputs?
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2answers
6k views

Differential to single ended circuit

I have a differential signal up to 1.5 MHz and have to transform it to a single ended signal. I have found this amplifier which has a BW of 2.2 MHz and should therefore be okay for this task. The ...
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2answers
241 views

Differential Amplifier circuit

I wanted to transform a differential signal to a single-ended signal using a differential amplifier. When I am reading the datasheets for fully differential amplifiers there are just single-ended/...
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3answers
8k views

Differential to single ended

I have a differential signal ranging from 0 to 2 MHz and need to transform it into a single-ended signal. I found out that there are 3 methods: Transformer Amplifier simply ground the negative part ...
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1answer
109 views

Abnormal Voltage drop reading, 4 wire vs 3 wire, Singled ended input

I have been given a measurement circuit that is measuring voltage drop across a switch. The idea is that it uses the 4 wire method for measuring resistance. However for our purpose we are not ...
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2answers
517 views

Some questions about a single ended system and common mode noise

Below is a system where a signal source on the left is floating/ungrounded/unearthed and the measurement system on the right is earth-grounded through the signal analog ground AGND: Regarding the ...
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3answers
393 views

What is the practical advantage of using mirrored signal outputs eventhough what matters is balancing the wires?

Some devices output differential outputs since both wires carry varying signals which are mirrored. Most devices on the other hand output one signal carrying and one GND wire. There is also ...
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3answers
1k views

Generating a high speed single-ended voltage output from differential currents

I'm working on a signal generator using a high speed DAC, which has balanced current outputs (two outputs, each 0-20mA, 180 degrees out of phase). The DAC is 250MSPS, so I'd like the analog frontend ...
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88 views

Will this one-switch resonant topology work?

simulate this circuit – Schematic created using CircuitLab Will this thing work? I do not mind the horrendous amount of interference this may produce. Principle of operation is: Switch-on ...
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1answer
1k views

Single-ended to differential conversion and ADC application

I am not quite familiar with the things I am going to describe. So, I need some help over here. I want to integrate an AD4001 ADC at a board I currently design. The thing is that my analog signal is ...
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2answers
857 views

sending differential signals off board, what kind of connector do I use?

So, my question is this. I've got four differential pairs from an LVDS chip which need to go to a connector, along with a few single-ended signals. For this purpose, I chose a hirose df13 connector. ...
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2answers
450 views

How to solve electric shock issues in this system?

When I measure the potential difference between for example a 12V DC output device's one output terminal such as a power supply's or a transducer's and the "earth ground", I see 50Hz voltage signal ...
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1answer
176 views

AD8131 Single Ended to Differential Problem

I am attempting to convert a single ended signal (0-5V) to a differential signal (+/- 5V about 0V) using an AD8131ARZ. I have it wired as per the attached schematic. When I supply +5V to the positive ...
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1answer
325 views

Single ended active bandpass filter

I've designed an active bandpass filter based on the one described in this article http://www.bu.edu/eng/courses/ek307/documents/ActiveFilterNotes.pdf (section 13.3.4). However, I want to use a single ...
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2answers
2k views

What are the effects of single ended signals on twisted pair conductors?

I'm currently using a cable that has multiple twisted pair conductors. I'm attempting to send a several single ended signals down some of these conductors at a frequency of 12.5MHz. Essentially, I'm ...
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1answer
104 views

What does an impedance to a fixed potential mean?

I am reviewing about differential pair and this comes up a bit confusing. Could anyone explain the part "equal impedances to a fixed potential" here? What does an impedance to a fixed potential mean? ...
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1answer
157 views

Could anyone explain why differential biasing is easier than single-ended one? [closed]

The lecture says that differenial biasing is easier than single ended. Could anyone explain why differential biasing is easier than single-ended one?
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using the AD8475 as a single ended output

simulate this circuit – Schematic created using CircuitLab I am putting together my schematic and I am trying to figure out if I can use the AD8475 as a single ended output buffer. AD8475 ...
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1answer
1k views

Single ended to differential amplifier workings

Hello electronics experts, I do not yet have enough reputation to post more then two images. For the images please see: http://imgur.com/a/dizis I have a single ended signal that i want to convert ...
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1answer
300 views

What are the concerns when converting single-ended signals into differential?

Application Description: We are converting a single ended DAC output into differential. The DAC output composes a DC signal(-10V - +10V) and sine waves running below 100kHz(below 100mVpp). The DAC ...
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2answers
88 views

A confusion on two single-ended measurement systems

Here is the link for two different measurement systems: http://zone.ni.com/reference/en-XX/help/370466V-01/measfunds/refsingleended/ In RSE case, the AIGND is the point where all channels' grounds ...