loose-electron
Senior Fellow
Offline
Best Design Tool = Capable Designers
Posts: 1638
San Diego California
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One other thing - Current sources are noisy! A lot of engineers design RF systems using current sources and active load structures --- until --- they look at the noise performance! Then, things get redesigned into resistors, or LC methods.
Also, don't obsesses on keeping the currents perfect and put cascodes everywhere. In most cases the current can vary some and you dont need the cascode. More headroom, fewer components and usually quieter
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