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Q: What is a Floater Frame and amp where can I buy it in Soho?
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What is a passive amp?

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What is loading effect of op amp?

An 'ideal' op-amp has infinite input impedance, and real ones that you can buy for anickel come pretty close. That means that the input impedance or "loading effect" ofan op-amp all by itself is nearly zero, and the loading effect of a circuit that youbuild with an op-amp is completely determined by the components you choose toconnect to it. You design the circuit to load the previous stage in any way you want.


How do you add circuit breakers to a 200 amp panel that is already full?

You can buy what are called Tandem circuit breakers. These only take up one space but allow you to connect 2 individual circuits to it. For example, say you had 4 - Single pole 20 amp breakers taking up 4 spaces. You could buy 2 - 20 amp Tandem circuit breakers and that would give you 2 additional spaces in your electrical panel. Just add up all your amps that your circuits will be pulling at one time to make sure you won't be overloading your electrical panel. One drawback to these Tandem breakers is that they are rough on your wallet. They are pretty expensive compared to regular breakers. Hope this helps


A current is measured in which unit?

The Ampere, also in shortened form 'Amp' or "A". It commonly uses the symbol "I" in calculations, hence Ohm's law is in the form V = I x R


What can be used as an amplifier?

Lots of things can be amplifiers. They can be as simple as a single transistor. Picking an amplifier requires a bit of system knowledge. What's the signal to be amplified? What is the output delivered to? Should the "DC" bias levels be decoupled? Here's an example: An audio amplifier is typically a voltage-in, power-out device. So, the input should have high impedance, while the output has low impedance. The device should be powerful enough to handle large currents and power levels. A radio-frequency amplifier is typically power-in, power-out (with impedances matched to 50 Ohms to avoid signal reflection). A typical blood glucose sensor typically has a current output. So, connecting it to a microcontroller and displaying the result would require a current-to-voltage amplifier. For most of these applications, it is possible to adapt an operational amplifier to create the desired amplification (trans-impedance, trans-conductance, etc.). Sometimes, when higher performance is required, it's necessary to build a circuit using OTA's (operational transconductance amplifiers) and transistors (common-source, common-emitter, common-base, mirrors, folded cascodes, etc). It's usually easier to find a special-purpose one to buy (e.g., buy an audio amp, or a RF amp, or an instrumentation amp, etc from Digikey). Hope this helps!