Parameters Reference

Parameters with enforced constraints. All other parameters accept numeric values and can be cleared when the value is unknown.

Parameter	Units	Constraints	Applies to
Noise Figure	dB	≥ 0	Low Noise Amplifier, Power Amplifier, Driver, Amplifier, Mixer, Variable Gain Amplifier, Buffer
Freq Min	MHz	≥ 0	All components
Freq Max	MHz	≥ 0	All components
LO Frequency	MHz	≥ 0	Mixer, Local Oscillator
LO Drive / LO Power	dBm	Any numeric value	Mixer, Local Oscillator
P1dB In / P1dB Out	dBm	Any numeric value	Gain stages, mixers, attenuators, filters, limiter, phase shifter
IIP3 / OIP3	dBm	Any numeric value	Gain stages, mixers, attenuators, filters, splitter, combiner, switch
IIP2 / OIP2	dBm	Any numeric value	Gain stages, mixers, attenuators, filters, splitter, combiner, switch
Max Input	dBm	Any numeric value	Gain stages, mixer, limiter, isolator, phase shifter
Psat	dBm	Any numeric value	Gain stages, mixer
Efficiency / PAE	%	0–100	Power Amplifier
Center Frequency	MHz	≥ 0	Bandpass and bandstop filters
Bandwidth	MHz	≥ 0	Bandpass and bandstop filters
Cutoff Frequency	MHz	≥ 0	Highpass and lowpass filters
Stopband Rejection	dB	≥ 0	Filters
Return Loss	dB	≥ 0	Limiter, isolator, phase shifter
Isolation	dB	≥ 0	Isolator, buffer
Trigger Threshold	dBm	Any numeric value	Limiter
Clamping Level	dBm	Any numeric value	Limiter
Phase Shift	degrees	Any numeric value	Phase shifter
Step Size	dB	≥ 0	DSA, VGA
Gain Range	dB	≥ 0	DSA, VGA
Supply Voltage	V	≥ 0	Powered components
Supply Current	mA	≥ 0	Powered components
Impedance	Ω	≥ 0	Most RF components

For passive components, datasheet insertion loss or attenuation is usually stored as negative gain. For example, 1.5 dB insertion loss becomes -1.5 dB gain.

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System spec parameters

Parameter	Units	Notes
RF Center	MHz	RF band center frequency
RF Bandwidth	MHz	Full RF band width
Input Power	dBm	Signal power at chain input
P1dB Margin	dB	Warning threshold; default 3 dB