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25.  Digital selection  

Schematic diagram 

Содержание K8031

Страница 1: ...1 2 3 4 5 advanced DIGITAL PC SCOPE ILLUSTRATED ASSEMBLY MANUAL H8031P 1 K8031 K8031 Digital storage oscilloscoop using a computer and its monitor to display waveforms All standard oscilloscope functi...

Страница 2: ...lay card min 800x600 mouse free printer port LPT1 LPT2 or LPT3 CD Rom player Specifications oscilloscope timebase 0 1 s to 100ms per division trigger source CH1 or free run trigger level adjustable pe...

Страница 3: ...gonal cutter to trim excess wires To avoid injury when cutting excess leads hold the lead so they cannot fly towards the eyes Needle nose pliers for bending leads or to hold compo nents in place Small...

Страница 4: ...manual updates indicated as NOTE on a separate leaflet 1 3 Soldering Hints 1 Mount the component against the PCB sur face and carefully solder the leads 2 Make sure the solder joints are cone shaped a...

Страница 5: ...1N4148 D9 1N4148 D10 1N4148 D11 1N4148 D12 1N4148 D13 1N4148 D14 1N4148 D15 1N4148 D16 1N4007 R8 91K 9 1 0 2 1 R9 3R3 3 3 R10 910K 9 1 0 3 1 R11 820R 8 2 0 0 1 R12 2K2 2 2 2 R13 820R 8 2 0 0 1 R14 820...

Страница 6: ...0 1 u1 C39 100n 104 0 1 u1 C40 100n 104 0 1 u1 C41 100n 104 0 1 u1 C45 100n 104 0 1 u1 3 Capacitors c 5 IC sockets C17 100p 101 C26 100p 101 C10 220p 221 C15 22p C16 22p C22 22p C42 22p C4 2n2 100V 2...

Страница 7: ...y C T1 BC327 7 Transistor RV1 50R R50 W500 RV2 500R R500 W501 In doubt measure using an ohm meter between the two outer connections 8 Multiturn trimmer RV CV1 22p small type CV2 50p 9 Trimmer capacito...

Страница 8: ...e regulator like in the drawing First fix the regulator then solder the connections 14 Voltage regulator M3 NUT LOCK WASHER M3 BOLT J2 DJ 005 15 DC jack SK SW LD 3mm LED 16 Power indication LED comes...

Страница 9: ...A IC4 TDA8703 IC5 6264 CY7C199 EQ IC6 74HC153 IC7 74F161 IC8 74F161 IC9 74HC595 IC10 74HC85 IC11 74HC595 IC12 74HC595 IC13 VK8031 PAL22V10 IC14 74HC390 IC16 74HC14 IC17 74HC390 IC18 6N136 IC19 6N136 I...

Страница 10: ...ng Make sure the conductive side is faced downwards Position the screen foil into the bottom enclosure Use some adhesive tape to fix the screen foil Make sure the conductive side is faced downwards 20...

Страница 11: ...and rear panel Assemble the enclosure as following Position the PCB together with the front and rear panel in the bottom half of the enclosure Fasten the PCB in the enclosure Now the voltage regulator...

Страница 12: ...act with the PCB surface Please note that you should tape both front and back of the three visible edges in order to avoid all contact between the screening foil and the components ATTENTION Make sure...

Страница 13: ...div setting Adjust RV1 until the signal remains stable in the centre of the screen Transient adjustment and calibration Select 1V div Connect the input to test point J4 Adjust CV1 until the signal top...

Страница 14: ...14 PCB 24 PCB...

Страница 15: ...15 25 Digital selection Schematic diagram...

Страница 16: ...16 Velleman Kit Values are for reference only 26 Opto Coupler selection Opto coupler selection...

Страница 17: ...17 Velleman Kit Values are for reference only 27 Input selection Input selection...

Страница 18: ...18 Note...

Страница 19: ...19 Note...

Страница 20: ...T NV Legen Heirweg 33 9890 Gavere Belgium Europe Info http www velleman be Questions support velleman be Modifications and typographical errors reserved Velleman Kit nv H8031IP 2003 ED1 5 4 1 0 3 2 9...

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