HP 6269b manual 4

TABLE OF CONTENTS

Section					Page No.
0	INSTRUCTIONS . . . . . . . . . . . . . . .					6-1
	0 - 1 S c o p e					0-1
	0-2	Indexes		of	Publications	0 - 1
	0-3	Forms	and	Records		0-1
	0-4Reporting			Equipment Im-
		provement			Recom-
		m e n d a t i o n s ( E I R ) 0 - 1
	0-5	Administrative			Storage	0 - 1
	0-6	Destruction of Army
		E l e c t r o n i c s M a t e r i e l 0 - 1
I	GENERAL INFORMATION. . . . . . . . 1-1
	1-1	Description				1-1
	1-7	Specifications				1-2
	1-9	Options				1-2
	1-11	Instrument/Manual
		Identification				1-2
	1-14Ordering Additional Manuals					1-3
II INSTALLATION . . . . . . . .						2-1
	2-1	Initial	Inspection			2-1
	2-3	Mechanical		Check		2-1
	2-5	Electrical Check				2-1
	2-7	Installation		Data		2-1
	2-9	Location				2-1
	2-11	Outline	Diagram			2-1
	2-13	Rack Mounting				2-1
	2-15	Input Power Requirements				2-1
	2-17	Connections		for	208 Volt
		Operation (Model 6259B,
	2-19	6261B, or 6268B)				2-1
		Connections for 208 Volt
		Operation (Model 6260B
	2-21	and 6269B)				2-2
		Connections for 115 Volt
		Operation		(Model 6259B,
	2-23	6261B, and 6268B)				2-3
		Connections for 115 Volt
	2-25	Operation (Model 6260B)				2-3
		Connections for 50Hz
	2-27	Operation				2-4
		Power Cable				2-4
	2-29	Repackaging for Shipment				2-4

IIIOPERATING INSTRUCTIONS . . . . . . . .3-13-1Turn-On Checkout Procecdure 3-1

3-3Operating Modes		3-1
3-5Normal Operating Mode		3-1
3-7Constant Voltage		3-2
3-9	Constant Current	3-2
3-11	Overvoltage Trip
	Point Adjustment	3-2
3-14Connecting Load		3-2
3-18	No Load Operation	3-2
3-20	Operation Beyond
	Rated Output	3-3

i i i

Section							Page No.
	3-22	Optional Operating Modes					3-3
	3-23	Remote Programming,
	3-32	Constant			Voltage		3-3
		Remote Programming,
	3-41	Constant			Current		3-4
		Remote Sensing					3-5
	3-46Auto-Parallel Operation						3-6
	3-50	Auto-Series			Operation		3-7
	3-55	Auto-Tracking				Operation	3-8
	3-59	Special		Operating
	3-60	Considerations					3-8
		Pulse Loading					3-8
	3-62	Output		Capacitance			3-9
	3-65	Reverse Voltage Loading					3-9
	3-67	Reverse Current Loading					3-9
IV PRINCIPLES OF OPERATION.. . . . ...4-1
	4-1	Overall BIock Diagram
	4-16	Discussion					4-1
		Detailed		Circuit Analysis			4-3
	4-17	Preregulator			Control Circuit		4-3
	4-27	Series Regulator and Driver					4-4
	4-29	Short	Circuit Protection				4-4
	4-31	Constant Voltage Comparator					4-5
	4-38	Constant Current Comparator					4-5
	4-43	Voltage		Clamp		Circuit	4-6
	4-46	Mixer	and Error			Amplifiers	4-6
	4-50	Overvoltage			Protection
	4-56	Crowbar					4-6
		Turn-On Control Circuit					4-7
	4-59	Reference Regulator					4-7
	4-64	Meter	Circuit				4-7
	4-68	Additional Protection Features 4-8
v	MAINTENANCE . . . . . . . . . . . . . . . . . .. 5-1
	5-1	Introduction					5 - l
	5-3Test Equipment Required						5-1
	5-5	performance Test
							5-2
	5-7	Constant Voltage Tests					5-2
	5-40	Constant Current Tests					5-7
	5-51	Troubles hooting					5-9
	5-56	Overall	Troubleshooting
	5-62	Procedure					5-10
		Disassembly			Procedures		5-15
	5-71Repair and Replacement						5-16
	5-73	Adjustment and				Calibration
							5-18
	5-75	Meter Zero					5-18
	5-77	Voltmeter		Calibration			5-18
	5-79	Ammeter		Calibration			5-18
	5-81	Constant		Voltage
	5-90	Programming Current					5-19
		Constant		Current
	.5-99	Programming Current					5-20
		Transient Recovery Time					5-20
	5-101Ripple Imbalance 150 and
		60Hz Operation)					5-20