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PCB 156D - POLARITY CONTROL BOARD (-PN UNITS ONLY)

 

 

1

2

3

4

5

6

A

B

C

D

6

5

4

3

2

1

D

C

B

A

Ti tle

Revisi on

Date

7-Jan-2019 

Z:\mjcfiles\pcb\156\polr\polr.ddb - PCB156D\PCB156D.sch

PCB 156D, POLARITY SWITCHING

R33
OY

R35
OY

D2

1N4736A

R24
1K

3

2

1

8

4

U5A
LM358

5

6

7

U5B

LM358

C4

0.1uF

+15V

R23
3K

R28
1K

R32

OY

R34

OY

D1

1N4736A

R18

1K

R15

3.9K

R29

1K

R25

56K

+15V

R19
56K

VCC

VCC

UV- HIGH

UV+ HIGH

3

2

1

8

4

U4A

LM393

5

6

7

U4B

LM393

C6

0.1uF

C3

0.1uF

C5

0.1uF

C7

0.1uF

VCC

R26
1K

R27
3K

VCC

2

3

1

U2A

74ALS02

5

6

4

U2B

74ALS02

8

9

10

U2C

74ALS02

11

12

13

U2D

74ALS02

VCC

1

2

3

U3A

74ACT08

4

5

6

U3B

74ACT08

9

10

8

U3C

74ACT08

12

13

11

U3D

74ACT08

SMA3

TTL IN

R22

51

2

1

3

Q1A

MPQ6002

6

7

5

Q1B

MPQ6002

12

14

13

Q1C

MPQ6002

10

8

9

Q1D

MPQ6002

R16

1K

R14

1K

VCC

VCC

R10

1K

R30

2K

R13

3K

R12

3K

R20
10K

R17

1K

R11

1K

SMA1

NTRIG

SMA2

PTRIG

1

2

3

+

4

-

5

+

6

K1

AQV221

R31

300

3

2

1

8

4

U1A
LM358

C1

0.1uF

+15V

5

6

7

U1B

LM358

C

C

W

W

C

W

R4

5K, PMAX

R3

4.7K

C

C

W

W

C

W

R6

5K, NMAX

R5

4.7K

C2

0.1uF

-15V

R9
10K

R2
10K

R7

27K

C

C

W

W

C

W

R8

5K, NMIN

-15V

"UV- ON" IS HIGH IF:

1) "UV+ HIGH" IS LOW, AND

2) "POL" IS LOW.

"UV+ ON" IS HIGH IF:

1) "UV- HIGH" IS LOW, AND

2) "POL" IS HIGH.

IF THE POLARITY IS SWITCHED, AND THE OPPOSITE ULTRAVOLT IS TOO HIGH, NO TRIGGERS OCCUR UNTIL THE VOLTAGE FALLS.

THIS DRIVES THE OUTPUT POLARITY RELAY.

1 2 3 4 5 6 7 8 9

J1

CON9

+15V

-15V

VCC

X3

6-32 MOUNT

X1

6-32 MOUNT

X2

6-32 MOUNT

X4

6-32 MOUNT

SURFACE MOUNT, ON BOTTOM.

R21
10K

R1
4.7K

PROVIDES R/C FILTERING

HV RESISTORS USED

AVR-5:  220K + 120K

AVR-5:  220K + 120K

AVR-8:  470K + 470K

AVR-7:  220K + 220K

1

2

3

4

5

6

7

J2

640456-7

VCC

-15V

+15V

POL

RLY

AMP

1

2

3

4

J3

640456-4

EA-P

EA-N

UV+ ON

UV- ON

1

2

J4

640445-2

1

2

J5

640445-2

HV1

HV2

HV3

HV4

X5

HV WARNING

X6

HV WARNING

AVR-4:  150K + 100K

AVR-3:  100K + 100K

1

2

nc

3

nc

4

K3

CPC1333G

1

2

nc

3

nc

4

K2

CPC1333G

R36

300

R37

300

U

V

- O

N

U

V

O

N

HV-

HV+

RLY-PS

Содержание AVR-2B-B

Страница 1: ...TROL SERIAL NUMBER 14216 A V T E C H E L E C T R O S Y S T E M S L T D N A N O S E C O N D W A V E F O R M E L E C T R O N I C S S I N C E 1 9 7 5 info avtechpulse com http www avtechpulse com Tel 888...

Страница 2: ...all at its option repair or replace said defective item This warranty does not apply to units which have been dissembled modified or subjected to conditions exceeding the applicable specifications or...

Страница 3: ...POWER RATINGS 10 CONNECTION TO THE POWER SUPPLY 10 PROTECTION FROM ELECTRIC SHOCK 11 ENVIRONMENTAL CONDITIONS 12 LABVIEW DRIVERS 12 FUSES 13 AC FUSE REPLACEMENT 13 DC FUSE REPLACEMENT 14 FUSE RATINGS...

Страница 4: ...OWER 32 PCB 158R7 LOW VOLTAGE POWER SUPPLY 33 PCB 197K HIGH VOLTAGE POWER SUPPLY 34 PCB 179B CAPACITOR BANKS 35 PCB 183A S AND 183A P CAPACITOR BANKS 36 PCB 156D POLARITY CONTROL BOARD PN UNITS ONLY 3...

Страница 5: ...panel keyboard and adjust knob control of the output pulse parameters along with a four line by 40 character backlit LCD display of the output amplitude pulse width pulse repetition frequency and del...

Страница 6: ...mum amplitude Settings accuracy Typically 3 plus 1V or 2 ns after 10 minute warmup For high accuracy applications requiring traceable calibration verify the output parameters with a calibrated oscillo...

Страница 7: ...g Also check that your load is adequately shielded It may be necessary to enclose the load in a metal enclosure If any of the connectors on the instrument are unused they should be covered with shield...

Страница 8: ...tion of conformity is issued under the sole responsibility of Avtech Electrosystems Ltd Specifically products manufactured do not contain the substances listed in the table below in concentrations gre...

Страница 9: ...9 have been made Requirements for WEEE compliance may include registration of products with local governments reporting of recycling activities to local governments and financing of recycling activiti...

Страница 10: ...rmal single phase supply CONNECTION TO THE POWER SUPPLY An IEC 320 three pronged recessed male socket is provided on the back panel for AC power connection to the instrument One end of the detachable...

Страница 11: ...erators are prevented access and or are insulated from every connection point In some cases connections must be exposed to potential human contact Operators must be trained to protect themselves from...

Страница 12: ...C decreasing linearly to 50 relative humidity at 40 C 5 Mains supply voltage fluctuations up to 10 of the nominal voltage 6 no pollution or only dry non conductive pollution LABVIEW DRIVERS A LabVIEW...

Страница 13: ...the fuses on the rear panel are shown in the figure below AC FUSE REPLACEMENT To physically access the AC fuses the power cord must be detached from the rear panel of the instrument The fuse drawer ma...

Страница 14: ...ng Case Size Recommended Replacement Part Littelfuse Part Number Digi Key Stock Number 1 2 AC 115 V 2 0A 250V Time Delay 5 20 mm 0218002 HXP F2420 ND 230 V 1 0A 250V Time Delay 5 20 mm 0218001 HXP F24...

Страница 15: ...abled for about 5 seconds after which the instrument will attempt to re enable the output i e light green for about 1 second If the overload condition persists the output will be disabled again i e li...

Страница 16: ...this increases the setting by a factor of ten 10 If one of the adjustable numeric parameters is displayed this decreases the setting by a factor of ten If one of the adjustable numeric parameters is...

Страница 17: ...ng of the instrument This input can be either active high or active low depending on the front panel settings or programming commands The instrument triggers normally when this input is unconnected Wh...

Страница 18: ...olled A user name admin and a password default as shipped from the factory are required when logging into a serial terminal session The internal controller attempts to auto sense the parity setting It...

Страница 19: ...sitive value the SYNC pulse precedes the OUT pulse When the delay is set to a negative value the SYNC pulse follows the OUT pulse These pulses are illustrated below assuming internal triggering and a...

Страница 20: ...th approximately and the delay circuit is bypassed Figure D The delay pulse width and frequency when in the internal mode of the OUT pulse can be varied with front panel controls or via the GPIB or RS...

Страница 21: ...UT the output pulse width equals the pulse width of the trigger signal on the TRIG connector The instrument must be in the external trigger mode These modes can be selected using the front panel pulse...

Страница 22: ...PRF exceeding 100 kHz or at duty cycles resulting in an average output power in excess of 100 Watts Heating and subsequent possible failure of the output stage is reduced if the following action is t...

Страница 23: ...e across this load The load resistor must have a voltage rating of at least 100V The power dissipated in the resistor is given by P V2 R PW T V2 R PW f where V is the output voltage R is the load resi...

Страница 24: ...he delay is set at 10 us The arrow pointer should be pointing at the Normal choice If it is not press MOVE until it is Press CHANGE to return to the main menu 6 To set the pulse width to 100 us Press...

Страница 25: ...V pulses Rotate the ADJUST knob The amplitude as seen on the oscilloscope should vary Reduce the amplitude to 50V or 50V for N instruments using the adjust knob For PN units only Change the output pol...

Страница 26: ...urns on the output For triggering a single event this sequence would be more appropriate rst resets the instrument trigger source hold turns off all triggering pulse width 1 us sets the pulse width to...

Страница 27: ...ue EXTernal DCYCle numeric value HOLD WIDTh DCYCle DELay numeric value GATE TYPE ASYNC SYNC LEVel HIgh LOw SOURce VOLTage LEVel IMMediate AMPLitude numeric value EXTernal PROTection TRIPped query only...

Страница 28: ...Nual HOLD IMMediate CLS no query form ESE numeric value ESR query only IDN query only OPC SAV 0 1 2 3 no query form RCL 0 1 2 3 no query form RST no query form SRE numeric value STB query only TST que...

Страница 29: ...factory for repair Service is to be performed solely by qualified service personnel Caution High voltages are present inside the instrument during normal operation Do not operate the instrument with t...

Страница 30: ...s recommended TRIGGER DAMAGE The rear panel TRIG input used in the external trigger mode is protected by a diode clamping circuit However the protection circuit is not foolproof and it is possible for...

Страница 31: ...WIRING DIAGRAMS WIRING OF AC POWER...

Страница 32: ...WIRING OF DC POWER...

Страница 33: ...PCB 158R7 LOW VOLTAGE POWER SUPPLY...

Страница 34: ...PCB 197K HIGH VOLTAGE POWER SUPPLY...

Страница 35: ...n d o f f 3 8 X 5 7 2 0 0 K N D M f g 7 2 0 0 4 4 0 t h r e a d s t a n d o f f 3 8 X 6 7 2 0 0 K N D M f g 7 2 0 0 4 4 0 t h r e a d s t a n d o f f 3 8 X 7 7 2 0 0 K N D M f g 7 2 0 0 4 4 0 t h r e...

Страница 36: ...ND Mfg 7200 4 40 thread standoff 3 8 X8 HV WARNING X9 HV WARNING X11 HV WARNING R1 R2 R3 R4 R5 R6 1 2 J1 HV 1 2 J2 HV 1 2 J3 GND 1 2 J4 GND P1 P2 P3 N1 N2 N3 R7 R8 R9 R10 1 2 J5 HV 1 2 J6 HV 1 2 J7 GN...

Страница 37: ...SMA1 NTRIG SMA2 PTRIG 1 2 3 4 5 6 K1 AQV221 R31 300 3 2 1 8 4 U1A LM358 C1 0 1uF 15V 5 6 7 U1B LM358 CC W W CW R4 5K PMAX R3 4 7K CC W W CW R6 5K NMAX R5 4 7K C2 0 1uF 15V R9 10K R2 10K R7 27K CC W W...

Страница 38: ...PCB 104G KEYPAD DISPLAY BOARD...

Страница 39: ...MAIN WIRING...

Страница 40: ...PERFORMANCE CHECK SHEET 40...

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