Agilent Technologies E361 A Series Operating And Service Manual Download Page 2

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SAFETY SUMMARY

The  following  general  safety  precautions  must  be  observed
during  all  phases  of  operation,  service,  and  repair  of  this
instrument.  Failure  to  comply  with  these  precautions  or  with
specific  warnings  elsewhere  in  this  manual  violates  safety
standards  of  design,  manufacture,  and  intended  use  of  the
instrument.  Agilent  Technologies  assumes  no  liability  for the
customer’s failure to comply with these requirements.

Before Applying Power

Verify that the product is set to match the available line 
voltage.

Ground The Instrument.

This  product  is  a  Safety  Class  I  instrument  (provided  with  a
protective  earth  terminal).  To  minimize  shock  hazard,  the
instrument  chassis  and  cabinet  must  be  connected  to  an
electrical  ground.  The  instrument  must  be  connected  to  the
ac  power  supply  mains  through  a  three-conductor  power
cable,  with  the  third  wire  firmly  connected  to  an  electrical
ground (safety ground) at the power outlet. Any interruption of
the  protective(grounding)  conductor  or  disconnection  of  the
protective earth terminal will cause a potential shock hazard
that  could  result  in  personal  injury.  If  the  instrument  is  to  be
energized via an external autotransformer for voltage reduc-
tion, be certain that the  autotransformer common terminal is
connected to the neutral (earthed pole) of the ac power lines
(supply mains).

Do Not Operate In An Explosive Atmosphere

Do not operate the instrument  in  the  presence of  flammable
gases or fumes.

Regulatory Information for Canada

This ISM device complies with Canadian ICES-001.

Cet appareil ISM est conforme à la norme NMB-001 du Can-
ada.

KEEP AWAY FROM LIVE CIRCUITS.

Operating  personnel  must  not  remove  instrument  covers.
Component  replacement  and  internal  adjustments  must  be
made by qualified service personnel. Do not replace compo-
nents with power cable connected. Under certain conditions,
dangerous  voltages  may  exist  even  with  the  power  cable
removed.  To  avoid  injuries,  always  disconnect  power,  dis-
charge  circuits  and  remove  external  voltage  sources  before
touching components.

SAFETY SYMBOLS

Instruction  manual  symbol;  the
product  will  be  marked  with  this
symbol  when  it  is  necessary  for
the user to refer to the instruction
manual.

Indicate earth(ground) terminal.

The  WARNING  sign  denotes  a
hazard. It calls attention to a proce-
dure,  practice,  or  the  like,  which,  if
not correctly performed or adhered
to,  could  result  in  personal  injury.
Do  not  proceed  beyond  a  WARN-
ING  sign  until  the  indicated  con-
ditions  are  fully  understood  and
met.

The CAUTION sign denotes a haz-
ard. It calls attention to an operating
procedure,  or  the  like,  which,  if  not
correctly  performed  or  adhered  to,
could result in damage to or destruc-
tion of part or all of the product. Do
not proceed beyond CAUTION sign
until the indicated conditions are fully
understood and met.

GENERAL INFORMATION 

Description 

This  operating  and  service  manual  covers  three  dual  range
Agilent  power  supplies,  E3610A,  E3611A,  and  E3612A.  All
models  are  compact,  general  purpose  bench  supplies  that
are particularly useful for powering developmental IC circuits,
both  linear  and  digital.  Unless  stated  otherwise,  all  informa-
tion  in  this  manual  applies  equally  to  all  three  models.  The
desired  output  range  is  selected  by  the  front  panel  RANGE
push button. The output can be continuously adjusted for volt-
age and current throughout either output range.

The  front  panel  VOLTAGE  control  can  be  used  to  establish
the  voltage limit  when  the  supply is  used as a  constant  cur-
rent source and the CURRENT control can be used to estab-
lish  the  output  current  limit  when  the  supply  is  used  as  a
constant voltage source. The CC SET push button allows the
current limit value to be conveniently set using the CURRENT
control without shorting the output.

The front panel includes a digital voltmeter/ammeter. A 3 1/2
digit (E3611A  3 digit)  voltage  display and 3 digit  current dis-
play accurately  show the output  voltage  and current respec-
tively.  The  output  ratings  for  each  model  are  shown  in  the
Specifications Table. 

!

or

CAUTION

WARNING

Summary of Contents for E361 A Series

Page 1: ...ent E3611A Agilent E3612A Manual Part No 5959 5304 April 2000 Edition 5 0 1 233 41 50604 7 86 943 896 01 2 3 45 3 86 77 896 3 6 0 7 8 3 4 9 4 5 9 0 9 04 896 4 2 01 4 9 4 0 7 8 2 0 04 2 0 8 6 2 A B 24 4 947 6 8 0 C 6 C 04 6 8 04 8 0 86 943 896 D E D F D G D G D G D G D G D G D H D H D H D H D H D I D I D I 1 1 ...

Page 2: ... avoid injuries always disconnect power dis charge circuits and remove external voltage sources before touching components SAFETY SYMBOLS Instruction manual symbol the product will be marked with this symbol when it is necessary for the user to refer to the instruction manual Indicate earth ground terminal The WARNING sign denotes a hazard It calls attention to a proce dure practice or the like wh...

Page 3: ...rift for 8 hours after an initial warm up of 30 min utes Constant Current Less than 0 1 plus 10 mA total drift for 8 hours after an initial warm up of 30 min utes METER ACCURACY 0 5 2 counts at 25 C 5 C OVERLOAD PROTECTION A continuously acting constant current circuit protects the power supply for all overloads including a direct short placed across the terminals The constant voltage circuit limi...

Page 4: ...lude e brief description of the problem The Turn On Checkout Procedure in this manual can be used as an incoming inspection check to verify that the sup ply is operational See the appendix for tests that verify the supply s specifications Location And Cooling Figure 1 shows the outline shape and dimensions of the unit It is shipped ready for bench operation after connection to an ac power source T...

Page 5: ...current operation proceed as follows a Turn CURRENT control fully counter clockwise to ensure that output decreases to 0 A and than turn on power sup ply b Adjust VOLTAGE control no load connected for maxi mum output voltage allowable voltage limit as deter mined by load conditions During actual operation if a load change causes the voltage limit to be exceeded the power supply will automatically ...

Page 6: ...t duration during constant voltage operation Any capacitance added externally will improve the pulse current capability but will decrease the safety provided by the current limiting circuit A high current pulse may damage load components before the average output current is Iarge enough to cause the current limiting circuit to operate Reverse Current Loading Active loads connected to the power sup...

Page 7: ...mpedance to be infinite and changes the output voltage in response to any load resistance change it is obvious that the two amplifiers can not oper ate simultaneously For any given value of load resistance the power supply must act either as a constant voltage source or as a constant current source it can not be both transfer between these two modes is accomplished at a value of load resistance eq...

Page 8: ... Off mode f When the reading settles record the output voltage again Check that the two recorded readings differ no more than 0 01 of output voltage plus 2 mV Figure A 2 Basic Test Setup Source Effect Line Regulation Definition Source effect is the change in dc output voltage when the ac input voltage changes from a minimum to maximum value 10 of nominal voltage Test Parameter Measured Variable Ou...

Page 9: ... output voltage to the full rated value d Set the electronic load to transient operation mode between one half of unit s full rated value and unit s full rated value at a 1 KHz rate with 50 duty cycle e Set the oscilloscope for ac coupling internal sync and lock on either the positive or negative load transient f Adjust the oscilloscope to display transients as in Figure A 3 g Check that the pulse...

Page 10: ...urn the unit s power on and turn VOLTAGE control fully clock wise c Turn up output current to the full rated value Check that the AMPS display reads full rated values and CC indicator remains lighted Reduce CURRENT control if not lighted d Record the voltage across Rs and convert it to current through dividing by Rs e Operate the electronic load in short input short mode f When the reading settles...

Page 11: ...ak voltage across Rs and convert it to cur rent through dividing by Rs Check that the peak to peak noise current is no more than 1 mA Figure A 6 RMS Measurement Test setup CALIBRATION PROCEDURE To calibrate ammeter and full scale current connect test equipments as shown in Figure A 7 Figure A 7 Calibration in High Current Range Calibration in High Current Range a Turn VOLTAGE and CURRENT control f...

Page 12: ...AC120 0E 7 7 2 3 B 8 8 30 AC120 0E 7 7 C34 3 B 8 8 30 AC120 0E 8 7 7 2 B 3 B 8 8 30 AC120 0E 7 7 2 3 B 8 88 30 AC120 0E 7 7 C34 3 B 8 8 30 AC120 0E 8 7 7 2 B 3 B 8 30 AC120 0E 7 7 2 3 B 8 30 AC120 0E 7 7 7B 77 F C A6 1 7 7 8 0 5 0A CC CC 4 C 7 7 8 C 92A 0 0 03 7 7 7B 77 C A6 1 7 7 8 7 3 0 C2 4 0 6 7 7 8 8 B C90 95 F 7 7 8 92AA 9320 9 2 0 7 7 C34D2 B 1 1 C 8 A34 7 7 2 1 8BB 1 C 8 7 7 8 5 3 C A 4 9 ...

Page 13: ... 2 0 4 5 7 6 7 5 5 0 649 80 2 8 0 4 5 6 7 0 649 80 2 8 0 6 5 649 0 2 8 0 4 5 6 5 649 2 8 0 4 5 6 5 649 58 2 8 0 4 5 6 0 A 46 64 B C 4 5 7 6 0 649 58 2 8 0 4 5 6 0 649 58 2 8 0 6 7 5 649 02 6 7 0 649 6 2 0 4 5 6 5 649 8 2 8 0 4 5 6 5 5 649 08 2 8 0 4 5 6 5 649 8 0 2 8 0 4 5 6 5 0 649 0 2 8 0 4 5 6 5 0 649 5 2 8 0 4 5 6 07 5 5 649 85 02 0 4 5 6 07 5 649 8 02 0 4 5 6 07 5 5 649 2 6 5 0 649 5 2 8 0 6 ...

Page 14: ...4 2 D 8 22 C 022 2343 5 0 5 2 4 E F 7D 9 7 2343 5 6 2 4 3 E F 7D 9 2343 5 2 2 4 E F 7D 9 2343 2 2 DC C D9A 2343 2 3 4 7 89A 2343 4 352 G 97 G 2343 5 5 3 B G 97 9 2343 5 5 3 B G 97 9 2343 5 2 5 2 3 B G 97 9 2343 3 1 2 8 22 C 022 2343 5 2 B89A89C 76 A 2343 5 2 2 B89A89C 76B 2343 5 2 B89A89C 76C 9 2343 4 352 9 B 2343 2 44 9D7 0 AB 2343 5 5 5 0 1234 34 2343 5 5 5 0 1233 34 2343 5 2 5 2 5 0 1235 34 234...

Page 15: ...566 641 4 0 4 6 4 0 24 4 0 561 4 0 79 4 0 56 367 47 8 4 8 6 8 562 0 5 0 5 0 5 56936A 2 4 0 516 4 0 51131 6 47 4 0 517 6A 6 8 6 8 B13 CD05 8 D 0 9 8 8 5 5 8 8 5 5 8 5 5 E 8 0 0 F 0 DG 40HI JKLMI NO KLL PNQRNSIST EQKUVIW KUI XHNYS ZS THI K NJI PNQRNSIST JKLMI TK LI4 4 LL UIXZXTNUX KUI 4 3 3 KSW NHQX3 MSLIXX NTHIUYZXI XRIPZOZIW4 64 LL PKRKPZTNUX KUI QZPUNOKUKWX3 MSLIXX NTHIUYZXI XRIPZOZIW4 14D D 0 XY...

Page 16: ......

Page 17: ... initial purchase are included in Agilent s product price only if Customer pays Agilent international prices defined as destination local currency price or U S or Geneva Export price If Agilent is unable within a reasonable time to repair or replace any product to condition as warranted the Customer shall be entitled to a refund of the purchase price upon return of the product to Agilent The warra...

Page 18: ...rdingly Conforms with the following product standards The product herewith complies with the requirements of the EMC Directive 89 336 EEC including 93 68 EEC and carries the CE Marking accordingly European Union As detailed in Electromagnetic Compatibility EMC Certificate of Conformance No TCF CC TCF 00 102 based on Technical Construction File TCF No ANJ12 dated 20 12 2000 EMC Assessed by Celestic...

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