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# Equation for bandwidth - correct units (cycles/sec or radians/sec)?

## Equation for bandwidth - correct units (cycles/sec or radians/sec)?

### RE: Equation for bandwidth - correct units (cycles/sec or radians/sec)?

It's irrelevant. Since the bandwidth of a circuit is based upon the point at which the amplitude has dropped to 70.7% of the max, you can call them whatever you want.

It's more convenient to put them in terms of Hz or radians (depending upon if you're dealing with straight frequency ranges, portions of the unit circle, etc.), but nothing says you have to... but your readers should understand what you mean, and keeping a standard helps.

Dan - Owner
http://www.Hi-TecDesigns.com

### RE: Equation for bandwidth - correct units (cycles/sec or radians/sec)?

Classically, in analog linear circuits, capacitive reactance is given by j*ω*C, where ω is in radians. and ω = 2πf

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