Outport

Converts the RF signal into a complex output signal.

blockType: SubSystem

Path in the library:

/RF/Circuit Envelope/Utilities/Outport

Description

Block Outport converts carrier modulation signals in the modeling environment to the library envelope RF Blockset into signals for use in other libraries.

The unit receives complex current and voltage envelope signals or real bandwidth signals. Complex baseband signals consist of common-mode ( ) and quadrature ( ) components based on each set center frequency . Parameter Sensor type determines which signal is being measured by the unit, and the parameter Output sets the format of the output signal.

Ports

Output

# BB — The output signal
scalar | vector

Details

The output signal.

The type of the output signal is set in the parameter Output.

Data types	`Float64`
Complex numbers support	Yes

Conserving

# + — The input signal
electricity

Details

The electrical port corresponding to the positive terminal of the RF circuit.

Program usage name

+

# - — The input signal
electricity

Details

The electrical port corresponding to the negative terminal of the RF circuit.

Program usage name

-

Parameters

Main group

# Sensor type — the type of signal measured by the sensor
Ideal voltage | Ideal current | Power

Details

The type of signal measured by the sensor is indicated as:

Ideal voltage — the unit outputs input signals in the form of voltage signals at the specified carrier frequency Carrier frequencies, Hz in the format specified by the parameter Output. This is the recommended option for measuring the signal without adding load impedance and changing the matching conditions.
Ideal current — the unit outputs input signals in the form of current signals at the specified carrier frequency Carrier frequencies, Hz in the format specified by the parameter Output.
Power — the unit outputs voltage signal modulations at the specified carrier frequency Carrier frequencies, Hz and scales them relative to the specified internal load resistance. This is a recommended option for interpreting the signal generated in the environment. RF Blockset for 50 Ohms or other reference impedance. When this option is used, the unit automatically inserts the load resistance into the circuit.

where — parameter value Load impedance (Ohm).

Values	`Ideal voltage` \| `Ideal current` \| `Power`
Default value	`Ideal voltage`
Program usage name	`sensor_type`
Tunable	No
Evaluatable	Yes

# Output — output signal format
Complex Baseband

Details

The format of the output signals.

At the moment, only the option is implemented Complex Baseband — the unit outputs a vector of complex signals to the output port , where The th element of the vector is -I am the frequency set by the parameter Carrier frequencies, Hz.

Values	`Complex Baseband`
Default value	`Complex Baseband`
Program usage name	`output_type`
Tunable	No
Evaluatable	Yes

# Carrier frequencies, Hz — carrier frequencies

Details

Carrier frequencies specified as a vector of positive integers in Hz. In the parameter Carrier frequencies, Hz The elements are a combination of the fundamental tone and the corresponding harmonics in the block Configuration.

Default value	`0`
Program usage name	`carrier_freq`
Tunable	No
Evaluatable	Yes

Additional Info

Modeling of a multiband envelope

Details

Using the block Inport You can specify complex envelopes of input signals and import them as RF signals to simulate multiband signals.

Block Configuration Automatically detects the fundamental tones specified in the input ports and suggests the appropriate harmonic order to reflect the system’s non-linearity. You can also manually specify the harmonic order for each fundamental tone during modeling.

You can specify any number of carrier frequencies. It is recommended to choose between the simulation bandwidth (inversely proportional to the simulation time step) and the total number of simulation frequencies.

The illustration shows a simulation of an envelope with multiple carriers. In this illustration, the complex envelope of the modulated input signals consists of carriers, the envelope of the circuit consists of harmonic tones, and the complex envelope around the selected carrier consists of the envelope of the signal.

inport 3 en

The formula for the time step

Details

The formula for the selected time step is as follows:

where

– the highest of the specified carrier frequencies;
– the time step specified in the block Configuration.