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200 MHz Cascade Amplifier

2015-01-03 16:40  
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The 200 MHz JFET has same features below:
1. Low crossmodulation
2. Large-signal handling ability
3. No neutralization
4. AGC controlled by biasiing the upper cascade JFET.

Here’s the circuit diagram:
200 MHz Cascade Amplifier circuit schematic diagram

The Idss of the upper unit must be greater than the lower unit, that’s the only special requirement of the 200 MHz JFET. [Source: National Semiconductor Application Note]








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