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Engineering Notes

POWER RF AMPLIFIERS TECHNICAL REFERENCE MATERIAL

Harmonics & Spurious

HARMONICS are (usually unwanted) signals which are exact multiples of the operating frequency, F_o.

SPURIOUS are other unwanted signals. Amplifiers do not generate signals (other than IMD)
unless they are unstable.

rf amplifiers harmonics & spurious

Note: dBc means dB below carrier.

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Using CCDF as a Method
of Measuring P1dB and P3dB

RF Glossary of Terms

Watts to dBm and dBm to Watts
Conversion Calculator

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
Modulation Types
VSWR & Return Loss (Impedance)
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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