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2 votes

Modulation Bandwidth of LED

The issue is probably how you're driving the LED. They're nonlinear circuit elements, so if you try to drive them as you would a resistor by modulating voltage they don't respond linearly. Instead, ...
user1850479's user avatar
5 votes

Slew rate and Bandwidth for 5 MHz signal

On a breadboard you can expect lots of capacitance between each pair of rows of connectors, perhaps 10pF. With your feedback resistance of 10kΩ, combined with capacitances of that order, an estimate ...
Simon Fitch's user avatar
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7 votes

Slew rate and Bandwidth for 5 MHz signal

A couple of reasons. First, the schematic shows no bypass caps on supply. Second, you have built the circuit on a breadboard. You can't expect high performance analog or digital operation. Third, it ...
Justme's user avatar
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