ELECTRONIC ENGINEERING
INTRODUCTION The old Power Supply shown in the photo was based on the MC1466 floating regulator IC which has been discontinued in the mid-nineties. A new regulation circuit using two UA723 along with a Switching Power Supply Module have been fitted after the bulky and heavy Transformer had been removed. May this Blog inspire you… Read more DC POWER SUPPLY 0-25V, 0-3A
ICL7106 (LCD) & ICL7107 (LED) Type: 3 1/2 Digit LCD/LED, Single-Chip A/D ConverterADC Architecture: Dual-Slope Used in Keithley 169, Digital Panel Meters ICL 7129 Type: 4 1/2 Digit LCD, Single-Chip A/D ConverterADC Architecture: Successive IntegrationAKA TC129, TLC7129, TLC829 Used in: METEX M-4650UNI-T UT56, UT57ELV LCD 4500 Panelmeter ICL 7135 Type: 4 1/2 Digit BCD Output,… Read more INTEGRATED CIRCUITS FOR MULTIMETERS
The ispGAL 16Z8 was introduced by Lattice in 1986, one year after introduction of the GAL 16V8. ispGAL, is short for In-System re-Programmable GENERIC ARRAY LOGIC. It is only listed in the 1988 Data Book and was soon replaced by the ispGAL 22V10. The GAL 16V8 is a direct replacement for most 20 pin PALs.… Read more Lattice ispGAL & ispLSI
INTRODUCTION In the late seventies vector graphic arcade video games like Asteroids became a huge success. A few years later the GCE Vectrex Home Arcade System was released. But even today the unique CRT phosphor glow hasn’t lost any of its fascination. This blog decribes a circuit which will turn a monochrome TV set into… Read more Vector Clock