NF HVA4321, Instruction Manual

Page: 9 / 152

HVA4321
v
Contents
Page
1. Overview
1.1 Features................................................................................................................. 1-1
1.2 Function description and block diagram ............................................................ 1-3
1.2.1 Function description .................................................................................................... 1-3
1.2.2 Block diagram............................................................................................................... 1-4
Preparations before use
2.1 Before using the HVA4321.................................................................................... 2-1
2.2 Installation............................................................................................................. 2-2
2.3 Grounding and power supply connection........................................................... 2-3
3. Nomenclature and functions
3.1 Signal system........................................................................................................ 3-1
3.1.1 Internal DC bias signal source..................................................................................... 3-1
3.1.2 External bias signal input ............................................................................................ 3-1
3.1.3 External signal input .................................................................................................... 3-2
3.1.4 Input signal ON/OFF ..................................................................................................... 3-2
3.2 Amplifier ................................................................................................................ 3-4
3.2.1 Amplifier operation mode ............................................................................................ 3-4
3.2.2 Amplifier control........................................................................................................... 3-6
3.2.3 Output ........................................................................................................................... 3-9
3.3 Monitor and control signal system .................................................................... 3-11
3.3.1 Monitor .........................................................................................................................3-11
3.3.2 Control signal system ................................................................................................ 3-12
3.4 Power supply items ............................................................................................ 3-17
3.5 Panel drawing ..................................................................................................... 3-18
3.5.1 Front panel.................................................................................................................. 3-18
3.5.2 Rear panel ................................................................................................................... 3-19
4. Operation method
4.1 Operation example in constant voltage mode .................................................... 4-1
4.1.1 Panel setting ................................................................................................................. 4-3
4.1.2 Connection of signal source and connection of load................................................. 4-6
4.1.3 Power supply and internal high voltage DC power supply......................................... 4-9
4.1.4 Signal output and adjustment.....................................................................................4-11
4.1.5 Signal OFF .................................................................................................................. 4-13
4.2 Operation example in constant current mode (total) ....................................... 4-14
4.2.1 Panel setting ............................................................................................................... 4-16
4.2.2 Connection of signal source and connection of load............................................... 4-19
4.2.3 Power supply and internal high voltage DC power supply....................................... 4-22
4.2.4 Signal output and adjustment.................................................................................... 4-24
4.2.5 Signal OFF .................................................................................................................. 4-26