Questions tagged [attenuator]

An attenuator is an electronic device that reduces the power of a signal without appreciably distorting its waveform.

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Can someone please explain this attenuation setup?

This is a part of an Agilent signal generator output attenuator. These are 4 or 5 of these stages with the resistor setup as shown, different values at each stage to set different attenuation levels ...
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507 views

Passive Voltage Divider attenuator design technique

I want to build a passive attenuator which will attenuate an input signal. I want the to have 12 steps, starting with no attenuation and with each subsequent step having a 0.5dB attenuation (so down ...
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877 views

Is it possible to design this circuit with a single potentiometer (L-pad)?

I'm designing an L-Pad for my speakers. They attenuate the signal while keeping a consistent effective impedance, which is necessary for the amplifier and crossover circuits. Typically, these values ...
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How can I make a simple voltage-controlled attenuator?

Having discovered just how awful the AC ripple is on some of my 5VDC wall-adaptors, I decided to make an Arduino program to calculate the RMS AC component and DC component of an adaptor under varying ...
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are amplifier and attentuator bascially of the similiar function?

I just got a very old function generator (I can't even tell the manufacture and the model number) to produce sine wave. I open it and see a big module label video amplifier. The function generator ...
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how to derive resistance vaules (attenuator)?

Let's say we have this types of attenuator pads: How do we derive their resistance values? like shown below Where did Zo, k come from? How about R5, R3 and R7? edit: Zo represents the ...
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366 views

Measured VS Ltspice Difference in P-Chan JFET Attenuator

The following circuit is a slow switching +-15V audio signal attenuator: Why are the measured voltages (shown in white boxes) so different from the SPICE values (shown in the graph)? Note that ...
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2answers
815 views

Voltage Controlled Attenuator

I'm trying to create a DC voltage attenuator which linearly scales the loss relative to an applied control voltage "Vc". In other words, K = Vout/Vin is a linear function of Vc. Vin is guaranteed to ...
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Attenuator for guitar amp cheap DIY

I have a Peavey LTD 400 steel guitar amp. I want to overdrive the tubes in it, but it is a very loud amp. To practice I would like an attenuator between the amp and the speaker. I've seen a lot of DIY ...

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