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Analog amplifier light

The lock-in amplifier allows tiny signals from sensors to be captured with precision despite unavoidable noise limitations and other signal-chain test and measurement challenges. There are some basic test and measurement instruments common to scientific labs and engineering benches of all types, whether electronic, biomedical, chemical, optical, or mechanical. Among these are the digital voltmeter, oscilloscope, frequency counter, and signal generator, as just a few examples. At the other end of the instrumentation range are highly specialized instruments which are useful only to their individual specialized disciplines, such as a DNA sequencer for biomedical research or a multi-gigahertz spectrum analyzer for advanced wireless links such as 5G. However, there are also advanced instruments which cut across multiple disciplines. While they would not be found in a basic lab, they would be fairly common in many higher-end installations.


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Live comes with a selection of custom-designed, built-in audio effects. The Working with Instruments and Effects chapter see Chapter 19 explains the basics of using effects in Live. Amp is an effect that emulates the sound and character of seven classic guitar amplifiers. Developed in collaboration with Softube, Amp uses physical modelling technology to provide a range of authentic and usable amplifier tones, with a simple and consistent set of controls.

This makes it very easy to quickly change the overall character of your sound without having to make numerous adjustments. Gain adjusts the level of input to the preamplifier, while Volume adjusts the output stage of the power amplifier.

Higher Gain settings result in a more distorted sound. When using the Blues, Heavy and Bass models, high Volume levels can also add considerable distortion. For example, increasing EQ levels can, in some cases, also increase the amount of distortion. The Output switch toggles between mono and stereo Dual processing.

Because Amp is modeled on real-world analog devices, its behavior can sometimes be difficult to predict. Here are some tips on getting the most out of Amp:. Guitar amps are designed to be used with accompanying speaker cabinets.

For this reason, Amp comes with a companion effect called Cabinet see But you can also achieve interesting and exotic sounds by using Amp and Cabinet independently. The various circuits in guitar amps work with a continuous and fixed amount of electricity. For this reason, turning up a particular parameter may inadvertently decrease the amount of available energy somewhere else in the amp.

This is particularly noticeable in the EQ controls. For example, turning up Treble can reduce the level of bass and midrange frequencies.

You may find that you need to carefully adjust a number of seemingly unrelated parameters to get the results you want. While Amp and Cabinet sound great with guitars, you can get very interesting results by feeding them with drums, synthesizers or other sound sources. For example, try using Amp with Operator see The Auto Filter effect provides classic analog filter emulation.

The envelope follower can track either the filtered signal or an external sidechain source. Auto Filter offers a variety of filter types including lowpass, highpass, bandpass, notch, and a special Morph filter.

Each filter can be switched between 12 and 24 dB slopes as well as a selection of analog-modeled circuit behaviors developed in conjunction with Cytomic that emulate hardware filters found on some classic analog synthesizers. This is available for all of the filter types. The OSR circuit option is a state-variable type with resonance limited by a unique hard-clipping diode. This is modeled on the filters used in a somewhat rare British monosynth, and is available for all filter types. The MS2 circuit option uses a Sallen-Key design and soft clipping to limit resonance.

It is modeled on the filters used in a famous semi-modular Japanese monosynth and is available for the lowpass and highpass filters. The SMP circuit is a custom design not based on any particular hardware. It shares characteristics of both the MS2 and PRD circuits and is available for the lowpass and highpass filters.

The PRD circuit uses a ladder design and has no explicit resonance limiting. It is modeled on the filters used in a legacy dual-oscillator monosynth from the United States and is available for the lowpass and highpass filters. The most important filter parameters are the typical synth controls Frequency and Resonance. Frequency determines where in the harmonic spectrum the filter is applied; Resonance boosts frequencies near that point. When using the lowpass, highpass, or bandpass filter with any circuit type besides Clean, there is an additional Drive control that can be used to add gain or distortion to the signal before it enters the filter.

The Morph filter has an additional Morph control which sweeps the filter type continuously from lowpass to bandpass to highpass to notch and back to lowpass. You can adjust Frequency and Resonance by clicking and dragging in the X-Y controller or via the knobs. You can also click on the Freq and Res numeric displays and type in exact values. When using the non-Clean circuit types, the Resonance control allows for self-oscillation. The pitch of the self-oscillation depends on both the Frequency and Resonance values.

The Envelope section controls how the envelope modulation affects the filter frequency. The Amount control defines the extent to which the envelope affects the filter frequency, while the Attack control sets how the envelope responds to rising input signals.

Low Attack values cause a fast response to input levels; high values integrate any changes gradually, creating a looser, slower response.

Think of it as adding inertia to the response. Lower Release values cause the envelope to respond more quickly to falling input signals. Normally, the signal being filtered and the input source that triggers the envelope follower are the same signal.

But by using sidechaining , it is possible to filter a signal based on the envelope of another signal. To access the Sidechain parameters, unfold the Auto Filter window by toggling the button in its title bar. Enabling this section with the Sidechain button allows you to select another track from the choosers below. Note that increasing the gain does not increase the volume of the source signal in the mix.

The sidechain audio is only a trigger for the envelope follower and is never actually heard. The Auto Filter also contains a Low Frequency Oscillator to modulate filter frequency in a periodic fashion. The respective Amount control sets how much the LFO affects the filter. This can be used in conjunction with or instead of the envelope follower. The Rate control specifies the LFO speed.

It can be set in terms of hertz, or synced to the song tempo, allowing for controlled rhythmic filtering. Available LFO waveform shapes are sine creates smooth modulations with rounded peaks and valleys , square, triangle, sawtooth up, sawtooth down, and sample and hold generates random positive and negative modulation values in mono and stereo.

There are two LFOs, one for each stereo channel. Spin detunes the two LFO speeds relative to each other. Each stereo channel is modulated at a different frequency, as determined by the Spin amount.

Instead, the Auto Filter offers two kinds of sample and hold: The upper sample and hold type available in the chooser provides independent random modulation generators for the left and right channels stereo , while the lower one modulates both channels with the same signal mono.

The Quantize Beat control applies quantized modulation to the filter frequency. With Quantize Beat off, frequency modulation follows the control source the Envelope, LFO, or manually-adjusted cutoff. If you open a Set that was created in a version of Live older than version 9. These consist of 12 dB or 24 dB lowpass, bandpass and highpass filters, as well as a notch filter, and do not feature a Drive control. Each Auto Filter loaded with the legacy filters shows an Upgrade button in the title bar.

Pressing this button will permanently switch the filter selection to the newer models for that instance of Auto Filter. Note that this change may make your Set sound different. Auto Pan offers LFO-driven manipulation of amplitude and panning for creating automatic panning, tremolo and amplitude modulation, and beat-synchronized chopping effects.

LFO speed is controlled with the Rate control, which can be set in terms of hertz. Rate can also be synced to the song tempo. Though both LFOs run at the same frequency, the Phase control lends the sound stereo movement by offsetting their waveforms relative to each other. Phase is particularly effective for creating vibrato effects.

Beat Repeat allows for the creation of controlled or randomized repetitions of an incoming signal. The Interval control defines how often Beat Repeat captures new material and begins repeating it. Gate defines the total length of all repetitions in sixteenth notes.

Activating the Repeat button bypasses all of the above controls, immediately capturing material and repeating it until deactivated. The Grid control defines the grid size — the size of each repeated slice. Large grid values create rhythmic loops, while small values create sonic artifacts. The No Triplets button sets grid division as binary.

Grid size can be changed randomly using the Variation control. But when Variation is set to higher values, the grid fluctuates considerably around the set Grid value. Pitch is adjusted through resampling in Beat Repeat, lengthening segments to pitch them down without again compressing them to adjust for the length change. This means that the rhythmical structure can become quite ambiguous with higher Pitch values. The Pitch Decay control tapers the pitch curve, making each repeated slice play lower than the previous one.

Warning: This is the most obscure parameter of Beat Repeat. Beat Repeat includes a combined lowpass and highpass filter for defining the passed frequency range of the device. You can turn the filter on and off, and set the center frequency and width of the passed frequency band, using the respective controls. Gate mode is especially useful when the effect is housed in a return track. You can set the output level of the device using the Volume control, and apply Decay to create gradually fading repetitions.

Cabinet is an effect that emulates the sound of five classic guitar cabinets. Developed in collaboration with Softube, Cabinet uses physical modelling technology to provide a range of authentic sounds, with optimized mics and mic positioning. The Speaker chooser allows you to select from a variety of speaker sizes and combinations. In the real world, more and larger speakers generally means higher volumes.

The Microphone chooser changes the position of the virtual microphone in relation to the speaker cabinet. Near On-Axis micing results in a bright, focused sound, while Near Off-Axis is more resonant and a bit less bright.


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GR VAT. Read more. The AV60 is a fully-featured analog amp that packs decades worth of tones into a compact, yet gig-worthy combo. These classic tones are further enhanced by a customizable, tube equipped analog power section and a unique, sealed speaker enclosure for improved resonance. Your email address will not be published. Save my name, email, and website in this browser for the next time I comment. Products Search Search Search. Toggle Categories navigation. Login Lost password Orders My Account. PA PA Systems.

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analog amplifier light

Live comes with a selection of custom-designed, built-in audio effects. The Working with Instruments and Effects chapter see Chapter 19 explains the basics of using effects in Live. Amp is an effect that emulates the sound and character of seven classic guitar amplifiers. Developed in collaboration with Softube, Amp uses physical modelling technology to provide a range of authentic and usable amplifier tones, with a simple and consistent set of controls.

A product that is as satisfying to use as it is to hear, and as beautiful to touch as it is to behold. We sought to design a product to deliver serious audio performance, that is easy to use and that is compatible with modern digital audio standards such as Direct Stream Digital DSD — and Essence III is the result.

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JavaScript seems to be disabled in your browser. For the best experience on our site, be sure to turn on Javascript in your browser. A Plus account is required to perform this action. Get valuable resources straight to your inbox - sent out once per month. An operational amplifier op amp is an analog circuit block that takes a differential voltage input and produces a single-ended voltage output. Op amps usually have three terminals: two high-impedance inputs and a low-impedance output port.

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Site Explorer Site Explorer. First at all, let me introduce myself, I'm finisihing electronics degree and my final degree project consists of monitoring an isolated photovoltaic installation with logo. My problem is with amplifier block, because I need to mesure a current and an analogic input is between 2.




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