Electronics Computer-Aided Design

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ANN: PCB Synergy

I have finally finished my shareware SMT Machine program It reads Protel ( from Autotrax to Altium Designer) and spits...
0 comments posted 15yrs
posted by sarason_not_me
0 comments posted 15yrs posted by sarason_not_me

SUBCKT Declarations in LTspice?

Sent also directly to Helmut Sennewald... I have a whole chip design, relatively simple, simulates in 75 seconds in PSp...
5 comments posted 15yrs
posted by To-Email-Use-The-Envelope-Icon
5 comments posted 15yrs posted by To-Email-Use-The-Envelope-Icon

Random Bit Generator

I'd like to conjure up a random bit generator. Just feed it a clock and have it generate random bits. 74HC... component...
78 comments posted 15yrs
posted by To-Email-Use-The-Envelope-Icon
78 comments posted 15yrs posted by To-Email-Use-The-Envelope-Icon

QUCS Users?

Hello, all. Is anyone currently using the Linux-based Quite Universal Circuit Simulator freeware (qucs.sourceforge.net)...
2 comments posted 15yrs
posted by john.wood
2 comments posted 15yrs posted by john.wood

LM723 Based Power Supply

Hi Everybody, I need to build my own power supply. I need a proven circuit for 0 to 30V DC variable power supply with m...
72 comments posted 15yrs
posted by anand.paralkar
72 comments posted 15yrs posted by anand.paralkar

help wanted

hi !!! my name is Jose Moreno and I am starting a new website for an 8 bit computer from the 80's , there have been peo...
0 comments posted 15yrs
posted by jose_m
0 comments posted 15yrs posted by jose_m

What should be the value of the resistance?

Small signal voltage gain by one small resistance connected to emitter through a large by passed resistance and junctio...
1 comments posted 15yrs
posted by supahi_mahanta
1 comments posted 15yrs posted by supahi_mahanta

Fast Recovery Diode

Hi Everybody, Could someone please explain the use of a Fast Recovery Diode? I am particularly interested in: 1. How is...
2 comments posted 15yrs
posted by anand.paralkar
2 comments posted 15yrs posted by anand.paralkar

Stepping the Ton parameter of a pulse in LTSpice

Hi to all. How can one step the Ton parameter in a pulse voltage source. I can step a voltage source using .step V1 1 2...
1 comments posted 15yrs
posted by seegoon99
1 comments posted 15yrs posted by seegoon99

PSPICE MODEL EDITOR

Does anyone know of a book or reference material that describes how model editor works with good detail. I have seen som...
2 comments posted 15yrs
posted by portisi
2 comments posted 15yrs posted by portisi

Stepper Motor Question

_Vague_ Stepper Motor Question: What is the maximum rate one might expect to step from phase to phase? Thanks! ...Jim T...
20 comments posted 15yrs
posted by To-Email-Use-The-Envelope-Icon
20 comments posted 15yrs posted by To-Email-Use-The-Envelope-Icon

OT: iTunes to Roku Soundbridge

There is supposed to be some way to play Internet Radio, whose format is directly incompatible with Roku Soundbridge, u...
0 comments posted 15yrs
posted by To-Email-Use-The-Envelope-Icon
0 comments posted 15yrs posted by To-Email-Use-The-Envelope-Icon

DVD Burner?

In keeping with my policy of staying way behind the bleeding edge of technology, the only DVD burner I have is a stand-...
32 comments posted 15yrs
posted by To-Email-Use-The-Envelope-Icon
32 comments posted 15yrs posted by To-Email-Use-The-Envelope-Icon

OT: Griddle Latch

This griddle... http://analog-innovations.com/SED/GriddleLatch.jpg doesn't have any way to latch the two halves togethe...
25 comments posted 15yrs
posted by To-Email-Use-The-Envelope-Icon
25 comments posted 15yrs posted by To-Email-Use-The-Envelope-Icon