Elenco Digital / Analog Trainer User Manual download pdf (Page 5)

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INTRODUCTION

Congratulations on your purchase of the Elenco Model XK-150 Digital / Analog Trainer. This trainer is designed

to simplify designing of digital and analog circuits. It contains most of the necessary test equipment needed to

build and test these circuits.

Your XK-150 has four basic trainers in a single package. They are, 4 independent power supplies, an analog

trainer, a digital and a bredblock assembly trainer. We shall proceed in describing each trainer in the following

sections.

POWER SUPPLY

Model XK-150 has four built-in power supplies which will satisfy most design needs. There are two variable power

supplies giving up to +15 volts and -15 volts at .25 amp. The two other supplies consists of a fixed +5V at .25 amp,

and a 30VAC center-tapped at 15VAC at .25 amp. All the DC supplies are regulated to within 150mV. This means

that you can increase the current draw from no load to .25 amp and the voltage will change less than 150 millivolts.

The supplies are also short circuit protected by using integrated circuit regulator devices.

ANALOG TRAINER SECTION FUNCTION GENERATOR

The analog trainer contains a function generator capable of producing sine and square waveform. The frequency of

this generator is variable in two ranges from 200 hertz to 20,000 hertz.The output voltage amplitude for the sine wave

is 4Vpp and the square wave at 12Vpp. The output impedance is approximately 600 ohms.

DIGITAL TRAINER SECTION

The digital trainer has the necessary functions to do your digital designs. They consist of a clock generator, two

no bounce logic switches, 8 LED indicator lamps and 8 data switches. These functions will make it easy to do

your digital experiments.

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Elenco Digital / Analog Trainer User Manual Page 5