Keysight 478A Operating and Service Manual
9
Keysight Model 478A Thermistor Mount . . . . . . . . . . .14
Maximum Power Meter Reading vs PRF for Pulses
s
. . . . . . . . . . . . . . . . . . . . . . . .19
Maximum Power Meter Reading vs Duty Cycle for
Pulses Longer than 250 ms . . . . . . . . . . . . . . . . . . .20
Maximum Power Meter Reading vs Square and Sine-
Wave Frequency . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Source Impedance Shunting One RF Thermistor
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Schematic Diagram of a Model 478A Thermistor
Mount when Connected to a 431 Power Meter . . .25
Schematic Diagram of a Model 478A Thermistor
Mount when Connected to a 432 Power Meter . . .34
Check on Model 478A Thermistor Resistance Match
Thermistor Compensation . . . . . . . . . . . . . . . . . . . . . .37
Model 478A Thermistor Mount Assembly
Keysight Model 478A Printed Circuit Assy Wiring . . . .42
Schematic Diagram of a Model 478A Thermistor
Mount when Connected to a 431 Power Meter.
. . . . . . . . . . . . . . . . . . . . . . . . . . . .47
Schematic Diagram of a Model 478A Thermistor
Mount when Connected to a 432 Power Meter.
. . . . . . . . . . . . . . . . . . . . . . . . . . . .48
Check on Model 478A Thermistor Resistance Match
. . . . . . . . . . . . . . . . . . . . . . . . . . . .49
Source Impedance Shunting One RF Thermistor
Mount (P/O Change B) . . . . . . . . . . . . . . . . . . . . . .50
Schematic Diagram of a Model 478A Thermistor
Mount when Connected to a 431 Power Meter.
. . . . . . . . . . . . . . . . . . . . . . . . . . . .51
Schematic Diagram of a Model 478A Thermistor
Mount when Connected to a 432 Power Meter.
Содержание 478A
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Страница 13: ...Keysight 478A Thermistor Mount Operating and Service Manual 13 1 General Information Introduction 15...
Страница 16: ...1 General Information 16 Keysight 478A Operating and Service Manual THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK...
Страница 17: ...Keysight 478A Thermistor Mount Operating and Service Manual 17 2 Operation Biasing Thermistors 18...
Страница 30: ...2 Operation 30 Keysight 478A Operating and Service Manual THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK...
Страница 33: ...Keysight 478A Thermistor Mount Operating and Service Manual 33 4 Maintenance Mechanical Shock 34...
Страница 44: ...4 Maintenance 44 Keysight 478A Operating and Service Manual THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK...
Страница 45: ...Keysight 478A Thermistor Mount Operating and Service Manual 45 A Appendix A Introduction 46 Manual Changes 47...