Analog / Mixed Signal Examples by Dick Benson

Extensive collection of examples for analog and mixed signal design work. (analog, pll, flyback)

[Out1,Out2]=qsynth(Action,In1,In2)

analyze_BPF(Lval,Cval,Z0)

example_sel2html(fn,new)

Visualizing Wave Propagation by Dick Benson

Visualize wave propagation through media with different impedances and propagation velocities. (wave, propagation, education)

[PeakData]=Peakfind(Xdata,Ydata,NumPeaks)

example_sel2html(fn,new)

waves.m

PSK31 Model with Symbol Timing and Carrier Recovery by Dick Benson

Updated version of PSK31 communication standard that is now R2009B-R2012A compliant. (timing recovery, fec, pll)

[bitstream,char_table]=make_bits(msg)

[sout,char_table]=load_alpha()

message=read_text(file_name)

High Speed ADC Models by Dick Benson

Interleaved, Successive Approximation, and Pipelined Sub-Ranging ADC models. (analog to digital con..., a to d, adc)

example_sel2html(fn,new)

adc.m

adc_with_impairments

ATSC: From RF to Video by Dick Benson

A set of models to process an ATSC RF signal and output an MPEG II video transport stream. (atsc, video, advanced television s...)

example_sel2html(fn,new)

atsc.m

ATSC_1

Using S-Parameters in MATLAB & Simulink by Dick Benson

Example of rf amplifier design using S parameters in both MATLAB and Simulink. (wireless, rf, network)

s_extract(file_name,fmin,fmax,df)

show8505a

showssresults

A Synchronized Mil-Std-188-110B Receiver by Dick Benson

Extends the shipping "188" modem. Features a synchronized 1200 bps / short interleave receiver. (communications, synchronization, equalizer)

example_sel2html(fn,new)

mil_188_gui(varargin)

mil_std_188110b_initmask_ship(block)

GPS Receiver using Xilinx FPGA and TI DSP by Dick Benson

These model files move from a system level GPS receiver channel to actual operating hardware. (gps, acquisition, timing)

ca=ca_fpga;

example_sel2html(fn,new)

GPS_Capture.m

Pilot Directed Continuous Synchronization of OFDM by Dick Benson

Model of a generic OFDM system with closed loop control of carrier and timing recovery. (ofdm, carrier recovery, carr)

line_fit

ofdm_13

Carrier & Symbol Timing Recovery by Dick Benson

This model implements a contemporary symbol timing recovery scheme. (carrier, qam, timing recovery)

timing_recovery_1

timing_recovery_2Q