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Nonlinear RF >
Mixer (MIXER)

Mixer (MIXER)

Property	Description	Units	Default	Range/Type
FILE	File name that holds the data	None	Optional	String
DEVICE	The data section name (for .FLP data files only) Not supported under nexsys.	None	Optional	String
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
CONVGAINMAG	RF (IN) to IF (OUT) gain in dB	dB	0	(-Inf, 200]/Real
CONVGAINPHASE	RF (IN) to IF (OUT) phase shift	Deg	0	[-180,180]/Real
LOTOIFISOLATION	LO to IF (OUT) isolation in dB	dB	200	[0, 200]/Real
RFTOIFISOLATION	RF (IN) to IF (OUT) isolation in dB	dB	200	[0, 200]/Real
IFTORFISOLATION	IF (OUT) to RF (IN) isolation in dB	dB	200	[0, 200]/Real
OIP2	Output power at second order intercept point Not supported under nexsys.	dBm	0	[0, Inf)/Real
OIP3	Output power at third order intercept point	dBm	0	[0, Inf)/Real
P1dB	Output power at 1dB compression point	dBm	0	[0, Inf)/Real
Psat	Output power at saturation	dBm	0	[0, Inf)/Real
TEMP	Local temperature	Cel	298	(0, Inf)/REAL
NF	Noise figure in dB	dB	0	[0, 200]/Real
FMIN	Minimum noise figure in dB	dB	0	[0, 200]/Real
MGO	Magnitude of optimum noise figure reflection coefficient	None	0	(0, Inf)/Real
PGO	Phase of optimum noise figure reflection coefficient	Deg	0	(-Inf, Inf)/Real
RN	Real equivalent normalized noise resistance	Ohm	0	[0, Inf)/Real
NRF	RF (IN) frequency multiplier	None	1	(-Inf, Inf)/Integer
NLO	LO frequency multiplier	None	-1	(-Inf, Inf)/Integer
MAXO	Maximum order for spurs	None	10	(0, Inf)/Real
MINF	Spurs below MINF ignored	Hz	0	(0, Inf)/Real
MAXF	Spurs above MAXF ignored	GHz	100	(0, Inf)/Real
MINP	Spurs below MINP ignored	Watt	0	(0, Inf)/Real
FLO	LO Frequency	Hz	1	(0, Inf)/Real
PLO	LO Power	Watt	1	(-Inf, Inf)/Real
F1	First frequency offset from FLO	Hz	0	(10, Inf)/Real
F2	Second frequency offset from FLO	Hz	0	(F1, Inf)/Real
M2	Phase noise magnitude at F2	Deg	-180	[-180,0]/Real
TYPE	0 for low Q 1 for High Q	None	0	0 , 1
mod	Model name corresponding to the .model block Not supported under nexsys.	None	Optional	String
SEED	Random seed (Nexsys only)	None	0	(0, Inf)/Real

Notes

1. Mixer S-parameters and noise parameters are treated as if they were measured on a two-port black box. The fact that the input and output frequencies are different is ignored during analysis. The input frequency is always used for interpreting any measurement data associated with this element.

2. The nonlinear figures of merit (OIP2, OIP3, P1dB, and PSAT) are specified based on the reference LO power (PLO).

3. OIP3(dBm) = P1dB(dBm) + 10.64 dB.

4. Either OIP3 or P1dB can be specified, but not both.

5. This model accepts MIXERSPURS data table. Refer to the MIXERSPURS data table example and discussion in the Three Port Mixer (MIXER3P) model in this chapter.

6. This model also accepts all the linear and nonlinear two-port measurement data used by the amplifier (AMP) model. Refer to examples of measured data for the AMP model in this chapter.

7. The oscillator noise parameters are specified in a fashion similar to those of the one port oscillator element (OSC). For more information on that, please refer to the Sources chapter.

Netlist Form

Mixer:Name n1 n2 [T=val] [MS11=val] . . .

Netlist Example

MIXER:A 12 15 CONVGAINMAG =-5dB OIP3=17dBm

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