This model shows the relationship between two signal representations in RF Blockset™ Circuit Envelope: complex baseband (envelope) signal and passband (time domain) signal. The step
Learn how to use the RF Budget Analyzer app to build a simple RF receiver, and see how to set up multi-carrier Circuit Envelope simulation.
Simulate delay-based and lumped-element transmission lines using blocks in the RF Blockset™ Circuit Envelope library. The example is sequenced to examine circuit envelope and passband
Use blocks from the RF Blockset™ Circuit Envelope library to simulate a transmit/receive duplex filter and calculate frequency response curves from a broadband white-noise input. Blocks
Use two different options for modeling S-parameters with the RF Blockset™ Circuit Envelope library. The Time-domain (rationalfit) technique creates an analytical rational model that
Use the RF Blockset™ Circuit Envelope library to test intermodulation distortion of an amplifier using two-carrier envelope analysis.
Set up a radar system simulation consisting of a transmitter, a channel with a target, and a receiver. For the Aerospace Defense industry, this is an important multi-discipline problem. RF
Use the RF Blockset™ Circuit Envelope library to calculate the image rejection ratio (IRR) for high-side-injection in Weaver and Hartley receivers. The Weaver receiver shows the effect of
Use the RF Blockset™ Circuit Envelope library to run a two-tone experiment that measures the second- and third-order intercept points of an amplifier. The model computes the intercept
Write your own nonlinear RF Blockset Circuit Envelope model in Simscape® language, build the custom library and use it in RF Blockset simulation.
Build a superheterodyne receiver and analyze the receiver's RF budget for gain, noise figure, and IP3 using the RF Budget Analyzer app. The receiver is a part of a transmitter-receiver
Use the Variable Phase Shift block to shift the phase of a sine wave to 180 degrees.Use Repeating Sequence Stair block as a Simulink control signal to control the phase of the signal. To see the
Use the Variable Attenuator block to attenuate a 20 dB constant signal. Use the Repeating Sequence Stair block as a Simulink control signal to vary the attenuation of the signal. In this
Use the Noise block to calculate the classic thermal noise floor, kT, for a matched resistor circuit. Model configuration is as follows:
Use the RF Blockset™ Circuit Envelope library to simulate noise and calculate noise power. Results are compared against theoretical calculations and a Communications Toolbox™ reference
A test bench model to describe the noise introduced by a 2-port device.
Demonstrates how to model and test an LTE RF receiver using LTE Toolbox™ and RF Blockset™.
Use the RF Blockset™ Circuit Envelope library to measure the effect of thermal noise on the bit error rate (BER) of a communications system and to verify the result by comparing to a
In a radar system, the RF front end often plays an important role in defining the system performance. For example, since the RF front end is the first section in the receiver chain, the design of
Use the IQ Modulator block to Modulate a two-tone DC signal to RF level. Observe the impairments in the modulated output signal such as images due to gain imbalance, intermodulation
Integrate an RF receiver together with baseband signal processing algorithms to model an end-to-end communications system.
Use the IQ Demodulator block to demodulate a two-tone RF signal to DC level. Observe the impairments in the demodulated output signal such as images due to gain imbalance, intermodulation
Provides a methodology for characterizing a nonlinear RF Blockset™ power amplifier (PA) with memory and an adaptive DPD feedback system to reduce the output signal distortion of an RF
A classic superheterodyne architecture filters images prior to frequency conversion. In contrast, image-reject receivers remove the images at the output without filtering but are
This model shows how to simulate a key multi-discipline design problem from the Aerospace Defense industry sector.
This model shows the nonlinear effect of a RF Blockset™ Equivalent Baseband amplifier on a 16-QAM modulated signal.
Use Input Port and Output Port blocks of the RF Blockset™ Equivalent Baseband library to convert between dimensionless Simulink signals and equivalent-baseband signals.
Use the Model-Based Design methodology to overcome the challenge of exchanging specifications, design information, and verification models between multiple design teams working on a
This model shows how to use blocks from the RF Blockset™ Equivalent Baseband library to build cascaded RF systems.
Use the IIP3 Testbench block to verify the input third order intercept (IIP3) of an Amplifier block.
Use the Noise Figure Testbench block to verify the noise figure of an Amplifier block.
Use the Transducer Gain Testbench block to verify the gain of an Amplifier block.
Use the SPnT block to create a single pole triple throw switch to switch a signal between three outputs.
Use the IIP2 Testbench block to verify the input second order intercept (iip2) of an Amplifier block.
Use the OIP3 Testbench block to verify the output third order intercept (oip3) of an Amplifier block.
Use the OIP2 Testbench block to verify the output second order intercept (OIP2) of an Amplifier block.