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rfckt.mixer class - Package: rfckt

Model 2-port object representing RF mixer and its local oscillator

Description

Use the mixer class to represent RF mixers and their local oscillators that are characterized by network parameters, noise data, nonlinearity data, and local oscillator frequency.

Construction

rfckt.mixer

Construct 2-port object representing RF mixer and its local oscillator

Properties

AnalyzedResult	Computed S-parameters, noise figure, OIP3, and group delay values
FLO	Local oscillator frequency
FreqOffset	Frequency offset data
IntpType	Interpolation method
MixerSpurData	Data from mixer spur table
MixerType	Type of mixer
Name	Object name
NetworkData	Network parameter information
NoiseData	Noise information
NonlinearData	Nonlinearity information
nPort	Number of ports
PhaseNoiseLevel	Phase noise data

Methods

analyze	Analyze circuit object in frequency domain
calculate	Calculate specified parameters for circuit object
circle	Draw circles on Smith chart
extract	Extract array of network parameters from data object
getop	Display operating conditions
listformat	List valid formats for specified circuit object parameter
listparam	List valid parameters for specified circuit object
loglog	Plot specified circuit object parameters using log-log scale
plot	Plot specified circuit object parameters on X-Y plane
plotyy	Plot specified object parameters with y-axes on both left and right sides
polar	Plot specified circuit object parameters on polar coordinates
read	Read RF data from file to new or existing circuit or data object
restore	Restore data to original frequencies
semilogx	Plot specified circuit object parameters using log scale for x-axis
semilogy	Plot specified circuit object parameters using log scale for y-axis
smith	Plot specified circuit object parameters on Smith chart
write	Write RF data from circuit or data object to file

Examples

mix1 = rfckt.mixer('IntpType','cubic')

mix1 =
 
             Name: 'Mixer'
             nPort: 2
             AnalyzedResult: [1x1 rfdata.data]
             IntpType: 'Cubic'
             NetworkData: [1x1 rfdata.network]
             NoiseData: [1x1 rfdata.noise]
             NonlinearData: Inf
             MixerSpurData: []
             MixerType: 'Downconverter'
             FLO: 1.0000e+009
             FreqOffset: []
             PhaseNoiseLevel: []