Agilent E3630A - Manual

1-5 mode. In this mode the voltage of the negative output can be setlower than that of the positive output. The tracking ratio controlallows the negative supply's output to be set to any valuebetween a maximum that is within ±5% of the positive supply'soutput and a minimum that is less than 0.5 volt...

1-6 INSTALLATION INITIAL INSPECTION Before shipment, this instrument was inspected and found tobe free of mechanical and electrical defects. As soon as theinstrument is unpacked, inspect for any damage that mayhave occurred in transit. Save all packing materials until theinspection is completed. If ...

1-7 Before applying power to the supply, check the label on theheat sink to make certain that the supply's line voltage optionagrees with the line voltage to be used. If the option does notcorrespond to your line voltage, refer to paragraph "LINEVOLTAGE OPTION CONVERSION" in the service sect...

1-8 Figure 3. Current Limit Characteristic of the 6V Supply this region. If the line voltage is maintained in the upper endof the input voltage range, however, the supply probably willoperate within its specifications Connecting Load Each load should be connected to the power supply outputterminals ...

A-1 SERVICE INFORMATION Figure A-1. Block Diagram PRINCIPLES OF OPERATION (Block Diagram Overview) This section presents the principles of operation of theE3630A Triple Output Power Supply. Throughout this discus-sion, refer to both the block diagram of Figure A-1 and theschematic diagrams at the re...

A-2 put is enclosed by a heavy line in Figure 3 of the operatingsection. If the operating point reaches the diagonal currentlimit line, a decrease in load resistance moves the operatingpoint down the line, reducing the output voltage and current.Current foldback is controlled by a second operational...

A-3 Operation Verification Tests The following tests assure that the power supply is per-forming properly. They do not, however, check all the speci-fied parameters tested in the complete performance testdescribed below. Proceed as follows:a. Perform turn-on checkout procedure given in page 1-7. b. ...

A-4 Output Current Measurement. For accurate output current measurements, a current sampling resistor should be insertedbetween the load and the output of the supply. To simplifygrounding problems, one end of this sampling resistor should beconnected to the same output terminal of the supply which w...

A-5 Current Limit k. Disconnect all loads from the supply. l. Connect the test setup shown in Figure A-5 to the +20-volt output. Substitute a short for R L and leave the load circuit switch open. m. Set the voltage of the ±20V supplies to 20 volts.n. Close the load switch and determine the current f...

A-6 Peak-to-Peak Measurement The peak-to-peak measurement is particularly important forapplications where noise spikes could be detrimental to asensitive load, such as logic circuitry. To measure the ripple and noise of the peak-to-peak value oneach output supply output:a. Connect the test equipment...

A-7 Stability (Drift) Definition: The change in output voltage (dc to 20 Hz) for the first 8 hours following a 30-minute warm-up period with con-stant input line voltage, constant load resistance and constantambient temperature. To measure the stability:a. Connect the test equipment across the outpu...

A-11 ADJUSTMENT AND CALIBRATION Current Limit Adjustment +6V Supply. To adjust the current limit circuit in the +6V sup- ply, proceed as follows:a. Check the setting of the current limit by performing steps (p) and (q) on page A-5. (Be sure to set the output voltage to 6 volts.) If reducing the load...

A-12 REPLACEABLE PARTS INTRODUCTION This section contains information for ordering replacementparts. Table A-12 lists parts by reference designators and pro-vides the following information: a. Reference designators. Refer to Table A-10. b. Agilent Technologies Part Number. c. Total quantity used in ...

CERTIFICATION Agilent Technologies certifies that this product met its published specifications at time of shipment from the factory. AgilentTechnologies further certifies that its calibration measurements are traceable to the United States National Institute of Stan-dards and Technology (formerly N...

DECLARATION OF CONFORMITY according to ISO/IEC Guide 22 and EN 45014 Manufacturer’s Name: Agilent Technologies, Inc. Manufacturer’s Address: 345-15, Kasan-dong, Kumchon-ku, Seoul 153-023 Korea declares, that the products Product Name: DC Power Supply Model Numbers: E3630A Product Options: All Option...