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Engineering Notes

POWER RF AMPLIFIERS TECHNICAL REFERENCE MATERIAL

Intercept Point

The intercept point (IP) is an imaginary point where the slopes of the fundamental,
2nd order IMD and 3rd order IMD meet.

rf amplifiers intercept point

Rules of thumb:

1. IP is 10 dB above 1 dB compression point.
2. IP is defined for Class A amplifiers only.

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RF Glossary of Terms

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RF Amplifiers Gain
Passband Frequency Range Gain Flatness
RF Power
Pulsed Power
Peak Envelope Power
Harmonics & Spurious
Intercept Point
Intermodulation Distortion
Multitone IMD Monograph
Noise Figure & Level
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Load VSWR & Protection
Leveling Loops, Input Overdrive Protection
Graceful Degradation
Protection Circuits
DC Input Power & Efficiency
Cooling Methods
Class of RF Amplifiers
Class A Operation
Class AB Operation
Class C operation

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