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
Use the RF Blockset™ Circuit Envelope library to simulate the performance of a Low IF architecture with the following RF impairments:
Use Circuit Envelope to calculate the steady-state frequency response curve for an LC bandpass filter built using blocks from the RF Blockset™ Circuit Envelope library. The first model
Design an RF receiver for ZigBee applications using a top-down methodology. The design specifications are:
Use RF Blockset to measure the Gain and Noise Figure of an RF system over a given spectral range.
Directly use baseband communication signals using a lower sample rate in wider-band circuit envelope simulation. You will see how to perform an RF simulation using input signals with
Model a digital video broadcasting system which includes a 16 antenna phased array receiver operating at 28 GHz. The baseband transmitter, receiver and channel are realized with
Model a MIMO RF receiver with a baseband beamforming algorithm. It considers antenna coupling effects and RF imperfections. The simulation of the system-level model includes the RF