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NF HVA4321 High Voltage Amplifier Manuals
Manuals and User Guides for NF HVA4321 High Voltage Amplifier. We have
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NF HVA4321 High Voltage Amplifier manual available for free PDF download: Instruction Manual
NF HVA4321 Instruction Manual (152 pages)
Brand:
NF
| Category:
Amplifier
| Size: 4 MB
Table of Contents
Safety Precautions
6
Table of Contents
9
1 Overview
17
Features
19
Function Description and Block Diagram
21
Function Description
21
Block Diagram
21
Preparations before Use
23
Before Using the HVA4321
25
Table2-1. Accessories
25
Installation
26
Grounding and Power Supply Connection
27
Figure2-1. Check of Power off
27
Figure2-2. Check of Internal High Voltage DC Power off
27
Figure2-3. Inserting Power Cable Connector
28
Figure2-4. Using Conversion Connector
28
Figure2-5. Casing Ground Terminal
29
3 Nomenclature and Functions
31
Signal System
33
Internal DC Bias Signal Source
33
External Bias Signal Input
33
External Signal Input
34
Input Signal ON/OFF
34
Figure3-3. External Signal Input
34
Figure3-4. Signal ON/OFF Switch
34
Amplifier
36
Amplifier Operation Mode
36
Figure3-5. Operation Mode Switch
36
Amplifier Control
38
Figure3-6. Limiter and Response
38
Figure3-7. Operation of Voltage Limiter (1)
38
Figure3-8. Operation of Voltage Limiter (2)
38
Figure3-9. Operation of Current Limiter
39
Figure3-10. Response Function in Constant Voltage Mode
40
Figure3-11. Response Function in Constant Current Mode
40
Output
41
Figure3-13. Power Supply and Internal High Voltage DC Power
41
Figure3-14. Return Terminal
42
Monitor and Control Signal System
43
Monitor
43
Figure3-16. Status Signal Output
43
Control Signal System
44
Figure3-17. Remote/Local Settings
44
Figure3-18. Remote Control Input
44
Figure3-19. Remote Control Input Circuit
45
Table3-1. Logic of HIGH VOLTAGE POWER SUPPLY ON/OFF
45
Figure3-20. Remote Control of HIGH VOLTAGE POWER SUPPLY ON/OFF
46
Figure3-21. Remote Control of Signal System ON/OFF
46
Table3-2. Logic of Signal System ON/OFF Signal
46
Figure3-22. Remote Control of Signal ON/OFF
47
Table3-3. Logic of SIGNAL ON/OFF Signal
47
Figure3-23. Example of Status Contact Output
48
Table3-4. Status Contact Output Signal
48
Power Supply Items
49
Front Panel
51
Rear Panel
53
4 Operation Method
55
Operation Example in Constant Voltage Mode
57
Figure4-1. Constant Voltage Mode (Total Mode)
57
Figure4-2. Constant Voltage Mode (Load Mode)
58
Figure4-3. Internal High Voltage DC Power off
59
Figure4-4. Switch Settings
59
Panel Setting
59
Figure4-5. Output Mode Settings
60
Figure4-6. Local Settings
60
Figure4-7. Limiter Settings
61
Figure4-8. Current Monitor Mode Settings
61
Connection of Signal Source and Connection of Load
62
Figure4-10. Connection of External Signal Source Signal
62
Figure4-9. Response Settings
62
Figure4-11. Connection of Monitor
63
Figure4-12. Connection of Output Cable
63
Figure4-13. Power Supply
65
Power Supply and Internal High Voltage DC Power Supply
65
Figure4-14. Internal High Voltage DC Power on
66
Figure4-15. Using Internal DC Bias Signal
67
Signal Output and Adjustment
67
Figure4-16. Using External Oscillator
68
Figure4-17. Using External DC Bias Signal
68
Signal off
69
Operation Example in Constant Current Mode (Total)
70
Figure4-18. Total Mode
71
Figure4-19. Internal High Voltage DC Power off
72
Figure4-20. Switch Settings
72
Panel Setting
72
Figure4-21. Output Mode Settings
73
Figure4-22. Local Settings
73
Figure4-23. Limiter Settings
74
Figure4-24. Current Monitor Mode Settings
74
Connection of Signal Source and Connection of Load
75
Figure4-25. Response Settings
75
Figure4-26. Connection of External Signal Source Signal
75
Figure4-27. Connection of Monitor
76
Figure4-28. Connection of Output Cable
76
Figure4-29. Power Supply
78
Power Supply and Internal High Voltage DC Power Supply
78
Figure4-30. Internal High Voltage DC Power on
79
Figure4-31. Using Internal DC Bias Signal
80
Signal Output and Adjustment
80
Figure4-32. Using External Oscillator
81
Figure4-33. Using External DC Bias Signal
81
Signal off
82
Operation Example in Constant Current Mode (Load)
83
Figure4-34. Load Mode
84
Figure4-35. Internal High Voltage DC Power off
85
Figure4-36. Switch Settings
85
Panel Setting
85
Figure4-37. Output Mode Settings
86
Figure4-38. Local Settings
86
Figure4-39. Limiter Settings
87
Figure4-40. Current Monitor Mode Settings
87
Connection of Signal Source and Connection of Load
88
Figure4-41. Response Settings
88
Figure4-42. Connection of External Signal Source Signal
88
Figure4-43. Connection of Monitor
89
Figure4-44. Connection of Output Cable
89
Figure4-45. Power Supply
91
Power Supply and Internal High Voltage DC Power Supply
91
Figure4-46. Internal High Voltage DC Power on
92
Figure4-47. Using Internal DC Bias Signal
93
Signal Output and Adjustment
93
Figure4-48. Using External Oscillator
94
Figure4-49. Using External DC Bias Signal
94
Signal off
95
Operation Example in Constant Current + Constant Voltage Mode
96
Figure4-50. Constant Current Constant Voltage Mode (Total Mode)
97
Figure4-51. Constant Current Constant Voltage Mode (Load Mode)
97
Figure4-52. Internal High Voltage DC Power off
98
Figure4-53. Switch Settings
98
Panel Setting
98
Figure4-54. Output Mode Settings
99
Figure4-55. Local Settings
99
Figure4-56. Limiter Settings
100
Figure4-57. Current Monitor Mode Settings
100
Connection of Signal Source and Connection of Load
101
Figure4-58. Response Settings
101
Figure4-59. Connection of External Signal Source Signal
101
Figure4-60. Connection of Monitor
102
Figure4-61. Connection of Output Cable
103
Figure4-62. Power Supply
104
Power Supply and Internal High Voltage DC Power Supply
104
Figure4-63. Internal High Voltage DC Power on
105
Power Supply
105
Figure4-64. Using Internal DC Bias Signal
106
Signal Output and Adjustment
106
Figure4-65. Using External Oscillator
107
Figure4-66. Using External DC Bias Signal
107
Signal off
108
Change of Load and Power off
109
Change of Load
109
Figure4-67. Input Signal off
109
Figure4-68. Internal High Voltage Power Supply off
109
Figure4-69. Checking Items before Power off
110
Figure4-70. POWER off
110
Figure4-71. Removing High Voltage Cable
111
Power Supply off
112
Remote Control
113
Figure4-72. Remote Control
113
Figure4-73. Remote Control Switch
114
Panel Setting for Use of Remote Control
114
5 Representative Characteristics
115
Measuring Method
117
Figure5-1. Compensation of Probe
117
Figure5-2. Measuring Method of Output Voltage
117
Figure5-3. Measuring Method of Output Current
118
Characteristics in Constant Voltage Mode
119
Frequency Characteristics
119
Figure5-4. Frequency Characteristics in Constant Voltage Mode Without Load
119
Figure5-5. Frequency Characteristics in Constant Voltage Mode with Capacity Load
119
Step Response
120
Figure5-6. Step Response in Constant Voltage Mode Without Load
120
Figure5-7. Step Response in Constant Voltage Mode with 35 Pf Load
120
Characteristics in Constant Current Mode
121
Frequency Characteristics
121
Figure5-8. Frequency Characteristics in Constant Current (TOTAL) Mode
121
Figure5-9. Frequency Characteristics in Constant Current (LOAD) Mode
121
Step Response
122
Figure5-10. Step Response in Constant Current Mode with 1 Mωload
122
Characteristics in Constant Current and Constant Voltage Mode
123
Frequency Characteristics
123
Figure5-11. Frequency Characteristics in Constant Current (TOTAL) + Constant Voltage Mode
123
Figure5-12. Frequency Characteristics in Constant Current (LOAD) + Constant Voltage Mode
123
Characteristics of Voltage Monitor and Current Monitor
124
Frequency Characteristics
124
Figure5-13. Frequency Characteristics of Voltage Monitor
124
Figure5-14. Frequency Characteristics of Current Monitor
124
Others
125
Delay of Output Signal for Input Signal
125
Figure5-15. Delay of Input/Output Signal
125
Step Response Due to Difference of Amplitude
126
Figure5-16. Step Response in Constant Voltage Mode
126
6 Troubleshooting
127
When Suspecting a Fault
129
7 Maintenance
131
Daily Maintenance
133
Figure7-1. How to Remove Fan Cover
133
Inspection
134
When the Unit Is Not Used for a Long Time
134
Performance Test
135
Test of Constant Voltage Mode
135
Figure7-2. Check Method of Constant Voltage Mode
135
Test of Constant Current Mode
136
Figure7-3. Check Method of Constant Current Mode
136
8 Specification
137
Figure3-12. Output Area
137
Figure3-15. Monitor Output
137
Signal Area
139
Amplifier
140
Characteristics of Constant Voltage Mode
140
Figure8-1. Output Current
140
Figure8-2. Voltage and Current Range Allowed for Output
141
Characteristics of Constant Current Mode
142
Monitor Output
143
Output Area
143
Other Input/Output Signal
144
Others
145
Protection Circuit
145
General Items
146
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