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Questions tagged [voltage-clipping]

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Why am I getting clipping at the inputs and outputs?

I have designed the below circuit in LTspice. This is used to measure the voltage drop across the shunt. I know people on this platform have said I should use a current transformer, but they are not ...
JoeyB's user avatar
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2 answers
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Double Valued Voltage in Rectifier with Capacitor Filter

When a capacitor is charged in a full wave rectifier, as shown below, the load voltage closely follows the AC input voltage, less some 0.7V. When the input voltage falls from its peak, the voltage ...
Bruno Nowak's user avatar
6 votes
4 answers
938 views

Best way to clip a circuit

I have an analog circuit that takes a ±15 V DC voltage and some input signals, does some things to the signals and outs an analog signal via an op-amp. I would like to limit the output voltage to ±10 ...
njs's user avatar
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1 vote
2 answers
179 views

How do we calculate output voltage in clipper circuits?

In the below circuit, when the diode is forward biased, the current is passing through it and not from load resistor (R_L), but the voltage across both of them (diode and R_L) is same as they are in ...
Garvish Jain's user avatar
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1 answer
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Differences between two positive clipping circuit

I have been looking into positive clipping circuits using an op amp and found two circuits recommended here and various pages online like Microchip tips and tricks page 16 and nprcet.org page 22. ...
jakob's user avatar
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3 votes
2 answers
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How to replace diodes with MOSFETs?

The circuit shown below allows clips the output to +1 and -1. How can I replace the diodes with MOSFETs that have a similar behavior?
Leonhard Euler's user avatar
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2 answers
180 views

Half-wave rectifier with filter and clipped input signal in oscilloscope

When building a half-wave rectifier with a capacitor filter for my electronics lab, there was significant clipping at the peaks of the input signal. When looking at the .csv file pulled from the ...
imthegman55's user avatar
1 vote
1 answer
170 views

Determining noise performance of clipper circuit

In some audio circuits (e.g. instrument amplifiers and guitar effects), I've seen something similar to the following op-amp circuit with back-to-back VBE multipliers in the feedback loop to provide ...
Theodore's user avatar
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3 votes
2 answers
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Why does differential op-amp require mid-point biasing at its input to prevent clipping?

There's an AC signal, 1 V amplitude, which is the input to an op-amp, in differential mode: However, the output gets clipped and the amplitude isn't unity for some reason, even though gain is set to ...
user234571's user avatar
0 votes
1 answer
304 views

How to arrange input protection components?

I want to protect the input of my 5V micro-controller from two types of disasters, I am detecting a low on the input (0V): The input is from a switch. When the switch is on it provides a ground. Over-...
JoeyB's user avatar
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3 answers
400 views

Class AB power amplifier output clipping when input exceeds 1.7V

I have a 3 transistor Class AB power amplifier that I referenced from a working design which has different design parameters and biasing than what I need. How I intend on using it, it will be used to ...
rustypwns's user avatar
-3 votes
2 answers
222 views

Preamp stage for audio amplifier using LM741CN clipping too early [duplicate]

I'm trying to build the preamp stage for an audio amplifier circuit using the LM741CN. I'm using a variable resistor for Rf so that I can vary the gain. What I'm finding is that when I have Rf set to ...
hasin's user avatar
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1 answer
127 views

Why is my clipping circuit involving 1N5819 Schottky diodes in my radar receiver not working?

I have built the circuit shown below and been testing it on a breadboard. Everything works except the positive half clipping circuitry. I need it to clip after 3.3V. It currently just clips below 0V, ...
Ian Edwards's user avatar
0 votes
1 answer
122 views

clamping the amplitude of a wave to certain level

I'm trying to prevent a wave form from exceeding 10V.p.p. I tried various things, but ... what the correct way to do it? this clamps a 11V signal to +/- 900 mV ... and converts a triangle to square. ...
NaturalDemon's user avatar
3 votes
1 answer
157 views

How can I clip voltage faster?

I have this test circuit, which has this signal: V1 may change from 1 to 30 V, V2 may change from 0 to 4 V peak to peak. I need to clip the signal at about 3 - 4 V to feed it to an Op Amp, which has ...
Thomas Anderson's user avatar
3 votes
1 answer
444 views

Zener diode, clipper circuit

This is the original assignment. My solution attempt is below that. Explain the output expected from the following circuit and also identify the name of circuit. (Where VZ is Zener voltages for ZD1 ...
Swaroop Ch's user avatar
2 votes
3 answers
434 views

Clipping when using a CD4051 analog multiplexer

Regarding the CD4051 analog multiplexer, Data Sheet If I connect VDD to +5 V and VSS, VEE to GND. The analog signals are coming from modules with the analog signal having a DC offset that can be as ...
Bavly's user avatar
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1 answer
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Clarification on a clipper circuit

I'm reading a paper whose result I am trying to replicate. One of the circuit elements is a clipper circuit as shown below. This is a very straight-forward circuit. The positive value is limited to \$...
Leonhard Euler's user avatar
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3 answers
159 views

Why isn't there any clipping in this diode circuit?

This is the circuit. This the input and output graph:
noobie's user avatar
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-1 votes
1 answer
219 views

Properties of Waveform Clipping

I just completed (and submitted) a recent lab report in an electronics class on op-amp circuits. The only implementations of the op-amps so far are in the inverted and non-inverted form. While ...
ThatOneNerdyBoy's user avatar
2 votes
1 answer
804 views

Why do I have clipping in this emitter follower

I am trying to design a class A amplifier buffer stage (I know it is not efficient.) I am starting from the simple emitter follower and the next step is to replace the RE resistor with a current ...
Rojj's user avatar
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1 answer
1k views

Diode alternatives for LTspice

I am using LTspice as opposed to P-spice because I have a Mac. I've been asked to simulate a circuit using 1N914 and 1N4729 diodes, but LTspice doesn't have those diodes. What are equivalent diodes to ...
Jacob Mendelowitz's user avatar
0 votes
1 answer
31 views

Design a circuit in Ltspice based on the input and output

I need to design a circuit that takes a sinusoidal input with peak of 8V and generate an output such that the positive peaks remain the same and the negative peaks get inverted and have a peak of 4V.
Vikranth Datta Chennupati's user avatar
1 vote
2 answers
128 views

Output Stage Clipping

I'm playing around with the circuit below (it's a very slimmed down version of Figure 11.10 from High Power Audio Amplifier Construction Manual pg 348) Can anyone explain what it is in the circuit ...
Cdevelop's user avatar
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2 answers
2k views

BJT Common Emitter Clipping

Following on from my last question Cascaded BJT Amplifier Load - I'm trying to understand what it is (via math or otherwise) that causes the input signal to appear malformed when the output of the ...
Cdevelop's user avatar
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0 votes
2 answers
997 views

Voltage multiplier does not work

I have a built a simple voltage doubler. the circuit is as below: simulate this circuit – Schematic created using CircuitLab This represents only one stage, and my circuit has 4 stages. The ...
NeuroEng's user avatar
  • 462
0 votes
0 answers
149 views

Signal clipping in cascade transistor amplifiers

The two-layer voltage amplifier circuit can transfer a signal of up to Vi = 50 mV to the output without clipping.and 1st stages gain Av1=-6.41 . +15 volt is ...
electronx's user avatar
  • 405
0 votes
0 answers
85 views

clipper question with non-ideal diodes

Vo for the clipper circuit where Vi = 10sin (6280t) and diodes are 0.6 volts. I think the simple form of the circuit is like this. if we don't calculate the resistors. Could the output signal be ...
safak26's user avatar
  • 21
0 votes
0 answers
85 views

High voltage high frequency clipper

I want to measure the frequency of a signal around 200khz (max) and the voltage may vary from 10v to 200v peak-peak. I will have only a constant voltage at the time of measurement. Not varying. So ...
siddharth taunk's user avatar
1 vote
1 answer
225 views

Input Voltage vs Output Voltage for a Shunt Positive Clipper with Bias Voltage

Assume voltage drop across diode is 0.7V in this case. From what I understand When V(input) is positive, but less than 0.7+V OR When V(input) is negative AKA When the diode is acting as open circuit:...
boseliker's user avatar
0 votes
1 answer
183 views

Transfer characteristics of circuits involving op amp with diodes

How should I approach such questions?
abhishek's user avatar
2 votes
3 answers
213 views

Turning on an automotive relay when enough voltage is avaialble

I'm trying to drive a relay off a dome light in a car, where the dome light fades in smoothly. That is, say, I have a constant ground and the other wire goes from 0 to 12V (up to 14V) over a couple ...
Maksym's user avatar
  • 131
2 votes
2 answers
438 views

Active clipper terrible performance

I need a clipper for a 10 kHz signal to protect an ADC from possible overvoltage. I'm using the usual active circuit (simulation is in multisim): Unfortunately the result is very bad, the opamp is ...
Alekos Reps's user avatar
-4 votes
1 answer
338 views

Need op-amp "window clipper", clipping below and above some range of DC

I need to design a kind of window clipper. It should work like this: Conditions: Vin: 0-6 V, Vout: 0 V Vin: 6-8 V, Vout: 0-3 V Vin: 8-10 V, Vout: 3 V There are some example values, I need to be ...
anugal's user avatar
  • 1
2 votes
3 answers
895 views

Why does the positive wave of my class AB amplifier output get clipped far below rail voltage?

For the past 6 months I've been designing and building a 30W 3MHz audio modulated Tesla Coil driver. For this, I've created a +-15V linear regulated power supply, an AM modulator using an MPY634, and ...
kregus's user avatar
  • 187
0 votes
1 answer
116 views

Need help with theremin oscillator

I'm having trouble getting my colpitt's oscillator to give me nice sinusoids. It seems to be clipping the output for for reasons I don't understand. The circuits needs to oscillate at 7MHz (Body ...
Pratik Kunkolienkar's user avatar
5 votes
1 answer
322 views

Need help designing and implementing an op-amp based distortion circuit

I've been attempting to design a distortion pedal for use with my bass guitar and amplifier. The simulations in LTspice were promising, I moved to implement it and, in short, it did not work. Note: ...
Alexandre Rodrigues's user avatar
-2 votes
1 answer
106 views

How can I change transfer function slope after a certain point?

I need to design a circuit for the following transfer function. I've tried using biased parallel clippers, but the only thing I've managed to do is clipping the output at 5V i.e the slope becomes ...
khan's user avatar
  • 1
0 votes
0 answers
276 views

Sine wave clipping before rectifier when wire resistance is added at secondary of transformer in LTSpice

I'm simulating 4 different circuits, they are all power supplies, with loads, filter capacitors, rectifiers made by four 1N4007s, and transformers fed from 120VAC: They all have the same problem, ...
Raz's user avatar
  • 165
2 votes
0 answers
259 views

Max Input Voltage for a BJT amplifier

I have built a BJT amplifier and I have a function generator connected to the input of my circuit. I have also connected both channels of an oscilloscope to the input and output of my circuit. I need ...
Edmund Blackadder's user avatar
0 votes
2 answers
307 views

Increasing diode clipping influence

I'm working on a guitar pedal distortion circuit and I've been experimenting with introducing diode clipping into the signal. My question is, how can I increase the influence this diode clipping has ...
greyBow's user avatar
  • 177
0 votes
1 answer
322 views

Can I take the voltage across diode to be same as the input voltage in a limiting circuit?

My doubt is a trivial one, can I take VD1 and VD2 to be V1? If so doing that doesn't make sense to me 'cause when the current flows VD1 is certainly not equal to V1. This isn't a Homework question, ...
DiamondDust's user avatar
0 votes
3 answers
1k views

Confusion regarding Biased Clipper Circuit

When the voltage is lower then the biased voltage its appear in Output Voltage, But just when the voltage get larger than Bias Voltage (Vb) the Diode start Conducting and its acts as SHORT and the ...
fpsshubham's user avatar
1 vote
2 answers
2k views

How to turn an LM741 op amp into a distorted portable guitar amplifier?

Here is my circuit (to the best of my recollection): simulate this circuit – Schematic created using CircuitLab NOTE: The voltages and resistance values are not known to me and what you see in ...
Eric Hepperle - CodeSlayer2010's user avatar
0 votes
1 answer
873 views

clipper circuit in multisim

I have got a clipper circuit as shown in the pic .I am confused why there are two differnt waveforms in two halves (separated by the red vertical line). And what is the actual waveform we obtain ...
G-aura-V's user avatar
  • 1,079
3 votes
3 answers
2k views

Clipper circuit: Why some of the portion of the positive input cycle remains un-clipped due to the diode cut-in voltage

I understand that when the input waveform is positive, the diode does not conduct hence the positive half cycle of the input waveform gets clipped. Also, when the input waveform is negative, then ...
Anwesa Roy's user avatar
1 vote
3 answers
1k views

Why does voltage stay the same regardless of resistor connect to the source

I'm learning about clipping circuits, and I have hit a road block with my understanding of one particular problem. The circuit in question is a serial limiter. My issue is why does the output voltage ...
Steve M's user avatar
  • 13
3 votes
2 answers
261 views

How can I see if my filterless class-D audio amplifier is clipping or not?

So I'm using MAX98357A, which is a filterless class D audio amplifier. I'm running it using Vcc = 5 V. Looking at the page 28 of the datasheet, I see the folliwing formula for output voltage: Output (...
AndrejaKo's user avatar
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-4 votes
1 answer
371 views

Lower the voltage on a 5V PSU to 4.9V

I've been working on a mostly software based project that includes an addressable LED strip. I am powering the strip with an old ATX PSU and the LEDs seem to be vely unstable when at low brightness. ...
slole's user avatar
  • 1
0 votes
1 answer
1k views

Causes for Saturation in Transimpedance Amplifier Circuit

I have a transimpedance amplifier circuit with a Silicon Photomultiplier as shown below: simulate this circuit – Schematic created using CircuitLab We're using the SensL MicroFJ-60035 Silicon ...
BestQualityVacuum's user avatar