Questions tagged [bandwidth]
Related to signal processing (a measure of the width of a range of frequencies, measured in hertz) or the rate of data transfer (or throughput) measured in bits per second
381 questions
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Fundamentals when modeling a waveform shown on oscilloscope
When we observe an input signal waveform at a scope screen what we see is a the filtered version of it. I want to simulate the scope screen output in using a SPICE simulator. If we only consider the ...
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Strange Rise-Time recommendation for ADuM1200 and ADuM2400 digital isolators
Both isolators ADuM1200 and ADuM2400 (4channel and 2-channel 3V/5V digital isolators with speeds in Multi-MHz range) the rated speeds are much higher and promising (at least in the datasheet) with ...
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TPS43060 Boost Converter External Constant Current Loop Problem
I'm working on a boost converter design and am now on the third revision. The TPS43060 works fine in constant voltage mode. I added a constant current loop using the INA180A2 as a high-side current ...
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Help Explaining Single Sideband (SSB) vs. Double Sideband (DSB) Diagrams
I am really struggling to understand intuitively what is happening in single vs double sideband. My textbook has provided some diagrams but extremely lackluster explanations, and was hoping someone ...
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On the input stage of an oscilloscope sampling circuit
Grosso modo, the standard input stage of a sampling circuit has traditionally the following form:
simulate this circuit – Schematic created using CircuitLab
In high performance sampling ...
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3dB Bandwidth reduction in TIA circuit
I have below PCB of Transimpedance amplifier circuit which amplifies the photodiode current in inverting configuration.
I initially started with OPA357 (datasheet) and I'm able to achieve ~11.4MHz 3dB ...
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MAX41470 RF receiver bandwidth
If the occupied bandwidth for binary FSK is:
BWBFSK = 2*FD + FB where FD is the frequency deviation and FB the message bit rate
I can't ...
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Analyzing a differential amp circuit
I'm analyzing this particular differential amp circuit:
I've figured out how to compute the gain (I've learned that this is just a regular differential circuit since R3, C1 and C2 can be ignored for ...
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Bandwidth of clock frequency
Is it correct to state that a clock signal which is square wave of frequency 1 GHz has some bandwidth? Bandwidth typically means a range of frequencies. The highest frequency component of a given ...
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Modeling loop bandwidth of PLL loop filter
I have a PLL circuit which produces a range of frequencies. I need to design a new circuit based on another PLL synthesizer from Analog Devices using the existing design as a reference.
Analog Devices ...
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Transceiver planning bandwidth link to noise floor
The input chain for the RX transceiver is -60 dBmm at 9.5 GHz.
We need to keep some SNR during the RX from he noise floor.
I was told that 100Mhz BW 10^8 -> 10log(10^8)=80 dB, also there is some ...
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How to calculate noise power for an entire RF Band
If I receive the entire L-band and feed it to an IC, what will be the input power assuming no interference? I know noise will dominate, but how can I calculate a rough estimate of it?
The thermal ...
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Inverting Op-Amp circuit design with feedback to increase the bandwidth 3 times
I was given the task below:
Design a circuit that will increase the bandwidth of a "op-amp inverting amplifier circuit" 3 times with feedback.
So, I designed this circuit:
I compared the ...
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For a series RLC circuit, does the stored energy definition of the Q-factor give EXACTLY one over the fractional bandwidth?
I have read in several sources that for a resonator the stored energy definition of the Q-factor is "approximately" the reciprocal of the fractional bandwidth (with negligible error for Q ...
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Wide bandwidth bioamplifier [closed]
I want to build an amplifier with a wide bandwidth. It will be the bioamplifier for recording the so-called cochlear microphonics from bats and it will be used in research. Usually the bioamplifiers ...
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