| A little set of radio frequency functions: ABCD2SY (Convert from ABCD parameters to S and Y matrix), DELTAK (Find the delta and k factors from the scattering matrix), GammaIn (Find GammaIn from the S matrix and GammaL), GammaOut (Find GammaOut from the S matrix and GammaS), GGAGT (Find the gain factor G, Ga and Gt from S matrix, GammaS and GammaL), GSGOGL (Find the gain factor G, Ga and Gt from S matrix, GammaS and GammaL), LNA (Find the parameter N and the center and radius of the noise circle, from S-Matriz, F, Fmin Rn, Zo and GammaOPT), MaxGain (Find GtMAX, GtuMax, GammaS and GammaL for maximun gain from S-Matrix), S2ABCDY (Convert from S parameters to ABCD and Y matrix), SpecificGain (find gS, gL ,the center and the raidus at the input and output and the gain GtuMAX from the S-Matrix and specific gains Gs and Gl), StabilityCircles (Find the center and raidus for the input and output stability circles from the s matrix), U (Find the U factor form the S_Matrix), and Y2ABCDS (Convert from Y parameters to ABCD and Y matrix). |
This file contains equations of the DC motor in simple compact form. It's useful because it is possible to insert values and the program returns the equation of the motor in the variable EQ, for using with Solve or something else.
Accuracy Calculator (ACCU) aids in the design and analysis of data converter application circuits. It calculates the DC accuracy of an ideal data converter. It calculates Resolution in bits and steps, INL, and Accuracy in percent, PPM, decibels, µV, and nA.
ALBW = Allocated Bandwidth. This is a program for satellite communication engineers and planners. It determines the amount of bandwidth required to accommodate a carrier signal on a satellite transponder, given the data rate, coding, and modulation methods. Version 1.1 incorporates occupied bandwidth.
Calculate coils wound on iron-powder toroidal cores by Amidon Corp. Program contains a selectable cores database and returns inductance, giving the coil turns, or the required turns, giving the required inductance. Maximum wire coil diameter, in mm, is also returned. Tested on 49G+, but it should be suitable also on 48 series calculators.
This program will let you know the values of the constants required in a tuning amplifier circuit. Written in System RPL.
This is a set of programs that allows you to calculate the impedance and the voltage gain of the topologies of Common Base, Common Emitter, Common Collector, Common Drain, Common Source and Common Gate. You just need to know the current!
This program calculates the value of inductors and capacitors of a Butterworth filter. You only need to enter Rs, RL and order of the filter. See also in this section the program Passive Filters.
This small program contains a list of copper conductors classified in the standard AWG (American Wire Gauge). The program is written in System RPL for the HP 49G.
Bandgap Reference Calculator (BGRC) aids in the design and analysis of a Brokaw bandgap reference circuit. It calculates all circuit parameters and the output voltage as a function of junction temperature.
Electronics program: describes "Bascules" chronogram, symbol, truth table, and more.
Program to solve bases, p.u. for a Electrical Power System. Has a method of clocks for transformer connection and others.
Calculator Launcher (CALC) simplifies managing and launching multiple calculators written by Stephen Edwards.
This library contains engineering functions useful to those working in the CATV and/or broadband communications industries. The library consists of 56 functions in the following categories: Coaxial Cable, Distortions, Cascade Analysis, Level functions, Network functions, Fiber Optics, Conversions and Measurements. It is distributed as a directory so that the user can selectively delete those functions (or subdirectories) that they do not commonly use. Coded almost completely in System RPL for speed, the program has a comprehensive 79 page PDF manual that thoroughly explains each function's usage and includes all formulae. 
This program was made to help calculate mechanics of conductors. Hypothesis (I, II,....).
This program has three modules: 'Parallel resistors', 'Voltage divider' and 'Current divider'. Very useful for electronic students.
Solves circuits with two ports and finds the parameters Z, Y, H, A. Only for ROM 1.18 or higher. Adds an annoying slow startup screen to your calculator and messes with your settings.
This is an RLC electrical circuits simulator with a very easy environment to work. Also includes an option that plots the current and voltage between two nodes of circuit. Now written in System RPL and contains more options than other versions. Adds a splash screen that slows down the startup of your calculator.
Useful program that calculates the Vc(t) and Il(t) of a RLC circuit. Includes two versions of the program, version 2.5 with the step/step calculations and version 2.3 with direct calculations
Calculates triphase equilibrium circuits in delta or star forms (3 or 4), linear return phase currents, linear phase tensors, potentials, changing of ground, and more. For the 49G, 49G+, or 48GII.
Library which allows you to easily work with electric circuits in RPN mode, useful for the study of frequency w and complex frequency s.
Yet another resistor color code program.
This program is for working with logic ports. Includes documentation in PDF format.
Powerful circuit simulator based on CSim 2.61 for the 48. Makes DC, AC and transient simulations and supplies the user with all matrices used. For people familiar with past versions of CSim only.
Program that shows the simulations of three flow phenomenon of the solid state devices.
Die Size Calculator (DSC) aids in estimating the die size, number of available bonding pads, and available circuit area of an integrated circuit. It calculates total die area, die length, die width, active circuit area, number of bonding pads, bonding pad pitch, saw kerf, and die aspect ratio.
Digitician is a combination of two programs that, used together can make life much easier for anyone who must deal with digital logic problems. The first program performs reductions of Karnaugh maps by Quine-McCluskey's method (modified). The second gives a truth table from any type of Boolean expression.
This is a digital circuit simulator done in System RPL. It has 11 primitives and supports macros.
Program to simplify calculations of a power BJT heat-sink.
Effective Number of Bits Calculator (ENOB) aids in the design and analysis of data converter application circuits. It calculates ENOB, SINAD, resolution, signal bandwidth, oversample rates, DNL, clock jitter, analog noise, and THD.
Helps you to calculate basic electrical parameters like current, power, ohm's law, electric motor parameters, voltage drop, wire size and other practical parameters for your projects.
Program that calculates the resistors of a automatic polarization circuit, given some parameters of a transistor and calculates also the three basic amplifiers with a TBJ to small signals. Without documentation, yet.
Helps electrical engineers to perform useful calculations, such as star/triangle conversion, power factor correction, coaxial cables and 2-wire transmission lines electrical parameters evaluation, parallel impedances equivalent, nominal values to complex impedances conversion and much more.
This program allows one to obtain the normalized values of resistances and capacitors starting from any entered value.
Estimated operating points for FETs (Field Effect Transistors), MOSFET, and JFET, in universal polarization. Also calculates RTh and VTh.
Performs calculations for JFETs involving Gate-Source Voltage (VGS) and Drain Current (ID).
Converts coordinates Polar Rect, solves linear systems and solves triangles parallels and star. Written 100% in User RPL.
FUMO contains functions allowing digital signal processing. It allows sampling typical or user defined signals, applying window functions, applying FFT (or DFT) transform, convolve, zero-pad, and get frequency, phase or group delay responses. Documentation also in Polish.
This program solves Load Flows (Fluxos de Carga-Flujos de Potencia) for an Electrical Power System using the Gauss-Seidel method or the Newton-Raphson method. The program is fully written in System RPL and in three languages: English, Portuguese and Spanish. This program was developed for use in the HP 49G.
Program for calculating values of resistances for IC 555 configured as astable and monostable, display the values and connections in a graphic.
This is a program (library for the 49G and directory for the 48) that calculates hydraulic (by the modified Hunter method) and electric installations for residences and buildings. It's useful for architects, engineers and constructors, particularly in Latin America.
Program to make calculations in electrics installations for 3 cases, illumination, motors and your scheme of welding.
Program to easily make Karnaugh diagrams, with the ability to print to the HP 82240B infrared printer. Written totally in System RPL for the 49g+ and 50g.
Ohm's law program that calculates two values knowing the other two.
Given a generator base for a (n,k) linear binary code, it returns the minimum distance, the weight distribution, the generator matrix, a list with the all the codewords and the parity check matrix. In addition, it computes the probability of bit error and the error correction capability of the code.
Program that calculates impedance characteristics of a conductor, equivalent parallel circuit, conductive conductors concentric, conductivity at low frequencies and high, coefficient of reflection, speed of wave, wavelength and beta factor.
Computes losses over transmission lines, including those due to load mismatch. Line may be selected from a list of 63 most common lines. Data in that list includes useful information about the line itself: Zo (Ohm), Velocity factor (%), maximum RF peak voltage (V) and outer diameter (in).
This program calculates the diameter of optimal conductors for transmission lines. Includes the table of conductors. For the 48GX or 49G.
Enter the values to configure the LM-317T integrate voltage regulator. In User RPL.
LGInt stands for Logic Gates Interface. Given logic gates electrical parameters and the desired fan out LGInt evaluates if an external pull up/down resistor is needed to connect the gates and the range within the resistor should be chosen.
Program that applies the law of men for two values for calculating electrical area. Includes PDF documentation.
Program made for transmission lines, the program calculates the primary parameters of the coaxial cable and telephone cable.
Solves exercises related to lighting, in lumens.
Helps study single-phase transformations.
Utility for potential, Gauss Seidel's method, Newton Raphson, uncoupled fast Newton Raphson, Zbarra, faults, and oscillation.
Package Thermal Analysis (PTA) aids in the analysis of the thermal properties of integrated circuit packages. These include thermal resistance, power dissipation, and die, package, and ambient temperatures.
This program calculates the orientation, elevation and polarization angles for parabolic antennas, and the distance between antenna and satellite, given both positions. Written in User RPL.
A simple and totally functional User-RPL program to convert parameters of two-terminal-pair networks. This program can convert between parameters of admittance [g], impedance [r], transmition [T] and hybrids [m] y [h]. Also, it can help you showing relationships that have to be met for a network to be symmetric or reciprocal.
Performs calculations on current and voltage depending on the number of resistors or impedances.
This program calculates a filter through the Butterworth and Chebyshev approximations. It calculates the cut-off frequency, transfer function, graphic, order and other parameters of a low pass, high pass band-pass and band elimination filters. Very efficient for students of electrical engineering. Now translated into English.
Gives information on logic gates in electronics including French and American symbols, the equation of the logical gate, the truth table, and the number of the associated integrated circuit.
This program calculates the values of resistance for polarization in DC (direct current), and an analysis for AC (alternating current) of voltage gain, bandwidth, and others. Written in 100% User RPL.
Program that models any kind of power lines. It allows the user to select several simplifications
Helps during a course of Design Machines (Rotary DC and AC).
Helps during a course of Electronic Devices and Circuits 2, with Y-D transformations and Millman reductions.
Helps during a course of Transmission Lines (Section driver and force distance - first part of Galeas).
Performs calculations on a Phase Shift Oscillator circuit including total voltage out, feedback resistor value, frequency, gain, and more. The program was written entirely in System RPL.
Calculate parameters of open and short circuits in an circuit (T or Pi) respectively. Also determines relations between parameters of open, short-circuit, hybrid and transmission.
Given a resistor value, this displays the color codes and vice versa.
Resistor color code interpreter.
Decodes resistor color codes with 4 or 5 values in a fast System RPL environment.
This is a resistor color code program, which gives the color or the value with a nice environment. This version has included all commercial values.
Resistor color code program.
This program will give the color code for resistors, or compute the value of a resistor given the color code.
Calculates the temporal response of a RLC circuit.
A simple program that provides useful tools for calculating the electromagnetic parameters of transmission lines.
Draws the root locus of a given transfer function and lets you add a PID regulator to see how it changes. It also lets you change the value of 'k' to see if the system is stable or unstable, and see the poles for that value. It works with continuous and discrete systems. Coded with HP-GCC 2.0 for the 50g only.
When given a value of resistance, this program returns several solutions to achieve the desired resistance.
Simple program for displaying the temperature in the calculator's LCD using a microcontroller PIC16F84, a RS232 interface, and a temperature sensor LM35.
Provides satellite communications link budgeting, antenna siting, and sun interference calculations for geosynchronous satellites. Generates horizon profile drawings and predicted spectrum analyzer traces. Calculates antenna parameters, and bandwidth allocations. Provides for direct conversion and calculation of decibels and carrier to noise ratios. Compatible with 48GX, 48G+, 49G, 49g+, 48gII, and 50g.
A program to determine the transmit gain, receive gain, and figure of merit (G/T) of a parabolic satellite communications antenna. It uses antenna diameter, efficiency, transmit frequency, receive frequency, and receive system noise temperature as inputs. Although developed for satellite communications, it should work with any parabolic antenna system.
Linear systems, with transformation of the independent variable for continuous signs.
Allows one to analyze the symmetric or tri-phasic fails in a specific node of the system.
This program allows to calculate fault conditions, transforming impedance, sequential networks of everything, in by unit.
Helps you to calculate the equivalent rho for a grounding system and the resistance of this in different configurations.
Quite simple program to make star/triangle conversions. Also has mirror and rotate capabilities.
Statistical Process Control Calculator (SPCC) aids in the prediction and analysis of process yield. It calculates defects per million, yield, process shift, standard deviation, mean, and the lower and upper specification limits.
Settling Time Calculator (STC) aids in the analysis and design of the step response of a single pole RC filter. It calculates resistance, capacitance, settling time, accuracy (in µV, %, PPM, LSB, and τ), step input voltage, resolution, time constant, bandwidth, and rise time.
Gives information about physics and electric circuits (complex and algebraic, schéma, Fresnel vectors, argument and norm of the complex).
Notes for a telecommunications class.
This program calculates resistances for oscillating UJT and LM555 circuits.
Thermal Noise Calculator (TNC) aids in the analysis of thermal noise found in resistors and other noise sources. It calculates noise voltage (µVpp and µVrms), noise density, Johnson resistance, temperature, upper and lower frequency limits, and corner frequency.
Performs transformations with electric circuits containing resistors and capacitors, delta and stars, and equivalent resistor or capacitor combinations.
Delta star transformation practice program in User RPL.
Delta star transformation program.
Program for the calculation and construction of AC transformers.
Gives a Fourier Trigonometric or Complex Series of a periodic function, as well as tables of Fourier and Laplace Transform, written in 100% User RPL.
Contains functions useful for calculations related to two-port networks. Current version is first standalone. Includes both Polish and English documentation. Now requires free registration.
Given the desired working point, this program gives a solution for the four-resistor network polarization circuit.
Electrical engineering utility with two small program: "AMPER" calculates the nomincal current of a triphase inductor motor, and "CFP" does the power correction factor, giving the active power, the system nominal current in ampers, KVAR x KW to be installed, and the total power of the capacitor bank needed, given the apparent current voltage, actual power factor, and desired power factor.
Little library that could be useful for an electrotechnical industrial engineering course. Makes it easy to switch between rectangular and cylindrical coordinates systems without entering in MODE, or to apply 
Calculates gradient, divergence, rotational, cross product, scalar product, and field lines.
This simple library allows one to find the voltage of several resistors in series by means of the voltage divider rules.
Performs the Z-transform of a continuous system.