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Questions tagged [voltage-amplification]

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0
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1answer
102 views

Amplifier with true ground output swing and A/D conversion

I want to amplify a 0-20mV signal from a sensor to 0-2.048V in order to feed it to an ADC (with a reference voltage of 2.048V). After I will input the digital signal to a microcontroller. I need to be ...
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0answers
58 views

Choosing the right amplification/gain for the internal PGA of an ADC IC

Problem I need to read a sensor (multiple of the same kind) with a microcontroller. The sensor I have, outputs a signal in the range of 0mV up to 20mV. Thus, it needs to be amplified and send to an ...
-2
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2answers
70 views

Gain of a feedback amplifier with base to collector resistor [closed]

I'm able to solve this problem using the concept of Miller resisitance however I'm having an issue solving this problem using the concept of feedback amplifiers. Can someone help me solve this problem ...
0
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2answers
73 views

Non inverting OpAmp with NPN amplification factor > 1

I need to amplify the output range of a DAC chip from (0-3.3 V) to (0-10 V). Unfortunately, I cannot simply use an inverting OpAmp circuit, because the output needs to stay positive with respect to ...
1
vote
2answers
102 views

Amplifying signal with Darlington not working

I'm relatively new to electronics and this is not my usual field of work. For a bigger project I need to read a flow sensor's (Biotech FCH-C-PA-N) output. The output needs to be processed by an ...
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3answers
137 views

can capacitors amplify signals

while reading a topic on opamps, i came across this topic. it said, other devices like capacitors amplify signals differently for different frequencies, while opamps amplify signals irrespective of ...
2
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2answers
211 views

High Frequency Capacitors in Differential Amplifier

I am curious about the function of two capacitors near differential transistor pair amplifier. The circuit picture is cut out of one of Pioneer's audio amplifiers. This amplifier is basically ...
0
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3answers
279 views

Distortion Elimination with Differential Transistor Pair

Most of you know that incorporation of negative feedback within amplifier is one of major considerations when designing a hi-fi amplifier. Till now, I have only dealt with differential transistor pair ...