Rohde & Schwarz NAP 392.4017.04 Miernik poziomu
Producent:
Model:
NAP 392.4017.04
Data:
Kategoria:
Grupa:
Opis:
Power Reflection Meter
Instrukcja obsługi
Typ ręczny:
Instrukcja obsługi
Strony:
135
Rozmiar:
4.19 Mbytes (4390247 Bytes)
Język:
english
Rewizja:
Ręczny ID:
392.4017.02
Data:
Jakość:
Skanowany dokument, wszystko czytelne.
Data przesłania:
11 grudzień 2016
MD5:
10b9049fe693cbde05f418d9d0677113
Pobrane:
615

Informacja

2_Preparation for Use and Operating Instructions ... 2.1 2.1 Explanation of the Front and Rear Views ... 2.1 2.1.1 Front View ... 2.1 2.1.2 Rear View ... * ... 2.3 2.2 Preparation for Use ... 2.4 2.2.1 Setting up the Power Meter ... 2.4 2.2.2 Rackmounting the Power Meter ... 2.4 2.2.3 Adapting the RF Connectors ... 2.5 2.2.4 Power Supply ... 2.6 2.2.4.1 Battery Operation ... 2.6 2.2.4.2 . Operation with AC Power/IEC-bus Option NAP-B4 ... 2.6 2.2.4.3 Mounting the Option NAP-B4 ... 2.7 2.2.5 Switching On ... 2.8 2.2.6 Connecting the Power Head to the Signal Generator or the Load ... 2.9 2.2.7 Influence of the RF Line Length of the Power Head . 2.9 2.3 Operation ... 2.11 2.3.1 Measuring the Power ... 2.12 2.3.2 Measuring Relative Power Variations ... 2.13 2.3.3 Measuring the Transmission Loss ... 2.15 2.3.4 Measuring the Modulation Depth ... 2.15 2.3.5 Measuring the Standing-wave Ratio (SWR) ... 2.16 2.3.6 Measuring the Return Loss ... 2.16 2.3.7 Measuring the Reflected/Incident Power Ratio ... 2.17 2.3.8 Measuring the Reflection Coefficient ... 2.17 2.3.9 Determining the Minimum or Maximum Value ... 2.18 2.3.10 Special Functions ... 2.19 2.3.11 Analog Output ... 2.22 2.3.12 Measurement speed ... 2.23 2.3.13 Error Messages ... 2.23 2.3.14 Measurement Error ... 2.26 2.3.15 Examples of Measurements ... 2.29 2.3.16 Analog Display ... 2.31 2.3.17 Measurement of the Carrier Peak Power ... 2.31.1 2.3.18 Taking into Account Calibration Factors ... 2.31.1 2.4 lEC-bus Control ... 2.32 2.5 Setting the Device Address ... 2.34 2.6 Remote-control Commands and Output of Measured Values ... 2.35 2.6.1 Device-specific Setting Instructions ... 2.35 2.6.2 Group of Addressed and Universal Instructions ... 2.41 2.6.3 Data Output ... 2.42 2.6.4 Measurement Times in IEC-bus Operation ... 2.44 2.6.5 Programming Examples ... 2.45 2.6.6 Table 2-2 Setting Instructions ... 2.48 3 Maintenance 3.1 3.1 Required Measuring Equipment and Accessories ... 3.1 3.2 Checking the Rated Specifications ... 3.3 3.2.1 Checking the Power Indication ... 3.3 3.2.2 Checking the Peak Power Measurement (NAP-Z7/Z 8} ... 3.4 3.2.3 Checking the Directivity ... 3.4 3.2.4 Checking the Reflection ... 3.4 3.2.5 Checking the Performance of Displays and Keyboard .. 3.4 3.2.6 Checking the IEC-bus Interface ... 3.5 3.3 Performance Test Report NAP, NAP-Z3 to Z6 ... 3.6 3.3 Performance Test Report NAP, NAP-Z7 ... 3.7 3.3 Performance Test Report NAP, NAP-Z8 ... 3.7.1 3.4 Regular Maintenance ... 3.8 3.4.1 Electrical Maintenance ... 3.8 3.4. 1.1 Replacing the Batteries ... 3.8 3.4.1.2 Checking the Digital/Analog Conversion Range ... 3.8 3.4.2 Mechanical Maintenance ... 3.8 3.5 Storage ... 3.8 4 Servicing of Complete NAP 4. 1 4.1 Performance Test ... 4.1 4.1.1 Hardware ... 4.1 4.1.2 Software ... 4.4 4.2 Mechanical Construction ... 4.6 4.2.1 Power Head ... 4.6 4.2.2 Display Section ... 4.6.1 List of mechanical parts ... in Appendix Figures pertaining to list of mechanical parts ... in Appendix 5_Servicing of Subassemblies and Option 5. 1 5.1 Circuit Description ... 5.1 5.1.1 Power Head ... 5.1 5.1.2 Analog Amplifier ... 5.2 5.1.3 Multiplexer (D161) ... 5.3 5.1.4 Analog/Digital Converter ... 5.4 5.1.5 Identification of Power Head ... 5.4 5.1.6 Battery Test ... 5.5 5.1.7 Analog Outputs ... 5.5 5.1.8 Generation of Operating Voltages ... 5.5 5. 1.8.1 Regulator for +VQp ... 5.5 5. 1.8.2 Regulator for “VQp ... 5.6 5.1.9 Microprocessor System ... 5.6 5. 1.9.1 Expanders ... 5.7 5.1.9.2 TQN“Signal ... 5.8 5.1.9.3 Keyboard Identification ... 5.8 5.1.10 Switching On and Off ... 5.9 5.1.11 LCD Drive ... 5.9 5.1.12 Power Supply ... 5.9 5.1.13 IEC-bus Interface ... 5.10 5.2 Checking the NAP ... 5.11 5.2.1 Operating Voltages ... 5.11 5.2.2 Chopper Frequency ... 5.12 5.2.3 Oscillator Frequency ... 5.12 5.2.4 D/A Converter ... 5.12 5.2.5 Battery Voltage ... 5.12 5.2.6 Analog Outputs ... 5.12 5.2.7 Power Head Identification ... 5.13 5.2.8 Sensitivity of Display Section ... 5.13 5.2.9 Checking the AC Power/IEC-bus Option ... 5.13 5.2.9.1 Charging Circuit ... 5.13 5.2.9.2 lEC-bus Interface ... 5.T4 5.2.10 Directivity of Power Head ... 5.14 5.2.11 Frequency Response of Power Head ... 5.15 5.2.12 Indication Linearity of Power Head ... 5.15.1 5.2.13 Peak-Value Measurement (PEP) using NAP-Z7/Z8 .. 5.15.2 5.2.13.1 Modulation Frequency 5.15.2 5.2.13.2 Indication Lxnearxty 5.15.3 5.2.14 Reflection ... 5.15.3 5.2.15 Checking the Power Head Drive ... 5.16 5.3 Adjusting the NAP and Power Heads ... 5.17 5.3.1 Adjusting the NAP ... 5.17 5.3.1.1 Setting the Oscillator Frequency ... 5.17 5.3.1.2 Adjusting the Display Contrast ... 5.17 5.3.1.3 Adjusting the D/A Converter ... 5.17 5.3.2 Adjusting the Power Heads NAP-Z3 to Z6 ... 5.18 5.3.2. 1 Adjusting the Power Head Sensitivity ... 5.18 5.3.2.2 Linearization of Indication ... 5.18 5.3. 2. 3 Adjusting the Frequency Response ... 5.19 5.3.3.1 Adjusting the Directivity ... 5.19.1 5.3.3.2 Adjusting the Linearity ... 5.19.1 5.3.3.3 Adjusting the Power Head Sensitivity ... 5.19.1 5.3.3.4 Adjusting the PEP Function ... 5.19.1 5.3.4 Offset Adjustment of Measuring Amplifier ... 5.19.2 5.4 Troubleshooting ... 5.20 5.4.1 Power Head ... 5.21 5.4.2 Connecting Cable W1 ... 5.21 5.4.3 Power Reflection Meter NAP ... 5.22 5.5 Electrical Repair ... 5.23 5.5.1 Fitting the Connecting Cable ... 5.23 5.5.2 Display Section ... 5.23

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