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System Simulator >
System Component Models >
Nonlinear RF >
Frequency Multiplier (FMULT)

Frequency Multiplier (FMULT)

Property	Description	Units	Default	Range/Type
MS11	Magnitude of S11 in dB	dB	-1e+020	(-Inf, 200]/Real
PS11	Phase of S11	Deg	0	[-180, 180]/Real
MS22	Magnitude of S22 in dB	dB	-1e+020	(-Inf, 200]/Real
PS22	Phase of S22	Deg	0	[-180, 180]/Real
N	Multiplier factor	None	1	[1, Inf)/Integer
Pin	Reference single tone input power for specified harmonic conversions	dBm	0	(-Inf, 200]/Real
G1	Power gain of input tone in dB	dB	0	(-Inf, 200]/Real
G2	Power gain of second harmonic relative to input tone in dB	dB	-1e+020	(-Inf, 200]/Real
G3	Power gain of third harmonic relative to input tone in dB	dB	-1e+020	(-Inf, 200]/Real
G4	Power gain of fourth harmonic relative to input tone in dB	dB	-1e+020	(-Inf, 200]/Real
G5	Power gain of fifth harmonic relative to input tone in dB	dB	-1e+020	(-Inf, 200]/Real
G6	Power gain of sixth harmonic relative to input tone in dB	dB	-1e+020	(-Inf, 200]/Real
G7	Power gain of seventh harmonic relative to input tone in dB	dB	-1e+020	(-Inf, 200]/Real
G8	Power gain of eighth harmonic relative to input tone in dB	dB	-1e+020	(-Inf, 200]/Real
G9	Power gain of ninth harmonic relative to input tone in dB	dB	-1e+020	(-Inf, 200]/Real
MINF	Harmonics below MINF ignored	Hz	0	[0,Inf)/Real
MAXF	Harmonics above MAXF ignored	GHz	100	[0,Inf)/Real

Notes

1. This model produces an output spectrum according to the specified harmonic conversion gains (G1, G2, ..G9). For example, a single tone input power of 0dBm and G2 = -20dBm would result in a second harmonic output power of -20dBm.

2. This model supports conversion gain for harmonics beyond the 9th harmonic. This can be done by specifying GN, N > 9, in the netlist property of the FMULT component.

3. The specified conversion gains are based on a single tone reference power Pin. If multiple input tones are present at the input of the FMULT element, unwanted harmonics and intermodulation products will be generated.

4. For frequency domain analysis, specifying the parameter Pin is not necessary since the simulator will use the tone with the maximum input power as the reference input power. This will result in an ideal linear harmonic transformation for a single tone input. In other words, the conversion gain will be independent of the input power for a single tone input. This is not the case if more than one tone is present at the input.

5. For discrete-time domain analysis, it is necessary to accurately specify the reference input power Pin used for the specified conversion gains. For discrete-time analysis, the frequency multiplier is not independent of the input power for single or multitone inputs.

6. MINF and MAXF are used to block out unwanted output harmonics for frequency domain analysis only.

Netlist Form

FMULT:Name n1 [n2] [N=val] [MS11=val] . .

Netlist Example

FMULT:1 1 2 N = 2 PIN = 0dBM G1 = -20 G2 = 20 G3 = -10 ...

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