DIGITAL / ANALOG TRAINER
MODEL XK-150
A COMPLETE MINI-LAB FOR BUILDING, TESTING
AND PROTOTYPING ANALOG AND DIGITAL CIRCUITS
Elenco Electronics, Inc.
Instruction Manual
Copyright © 1998 Elenco Electronics, Inc.
Revised 2001 REV-C 753273
Страница 1: ...G TRAINER MODEL XK 150 A COMPLETE MINI LAB FOR BUILDING TESTING AND PROTOTYPING ANALOG AND DIGITAL CIRCUITS Elenco Electronics Inc Instruction Manual Copyright 1998 Elenco Electronics Inc Revised 2001...
Страница 2: ...317 1 IC3 LM337 IC 330337 Qty Symbol Description Part 1 IC7 555 IC 330555 1 IC4 XR2206 332206 1 IC1 LM7805 IC 337805 9 LD1 9 LED Red 350002 2 IC5 IC6 74LS03 IC 37LS03 1 PARTS LIST RESISTORS Qty Symbol...
Страница 3: ...s sine square complimentary square Frequency adjustable from 200 40kHz in 2 ranges Amplitude sine wave 4Vpp square wave 12Vpp Output impedance 600 Digital Section Data switches eight DPDT Hi 5V low 0V...
Страница 4: ...icator LEDs 0 input corresponds with 0 lamp etc 14 Selects CLOCK frequency range 1Hz 1kHz and 100kHz 15 Power Cord 16 Eight Data Switches Lets output of 5V or 0V depending on position 17 Output Termin...
Страница 5: ...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...
Страница 6: ...utput The voltage should read between 4 75 and 5 25 volts Short the output to the GND binding post The voltage regulators will turn off and the voltage drops to zero Remove the short and voltage shoul...
Страница 7: ...Repeat the same test on SW1 SW2 SW3 SW4 SW5 SW6 and SW7 This completes the testing of the trainer CIRCUIT DESCRIPTION The XK 150 Power Supply features two variable output voltages and a fixed 5V The v...
Страница 8: ...ter picture of what the current flow looks like assuming no loss in the diode It takes a few cycles for the voltage to build up on the capacitor This depends on the resistance of the winding and diode...
Страница 9: ...ATOR The theory of the voltage regulator is the same as the previously discussed positive regulator The basic difference is that diodes D1 and D2 are reversed producing a negative voltage across capac...
Страница 10: ...ent in the LED to about 30mA Figure 9 9 WARRANTY POLICY Your XK 150 Digital Analog Trainer has been tested and conforms to our rigid requirements on performance and durability It is guaranteed to be f...
Страница 11: ...10 SCHEMATIC DIAGRAM...
Страница 12: ...Elenco Electronics Inc 150 W Carpenter Avenue Wheeling IL 60090 847 541 3800 http www elenco com e mail elenco elenco com...
