Agilent Technologies 437B User's Guide Page 84
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2 General Power Meter Functions
62 N1913/1914A EPM Series Power Meters User’s Guide
Setting Measurement Limits
You can configure the power meter to detect when a measurement has
crossed over a predefined upper and/or lower limit value.
Limits are boundaries set for a certain power range and it can be applied
to power, ratio or difference measurement.
Figure 2-23 Limits checking applications
In this application a swept frequency signal is applied to the input of the
Device Under Test. The power meter measures the output power. The
limits have been set at +4 dBm and +10 dBm. A fail occurs each time the
output power is outside these limits as shown in Figure 2- 24.
Figure 2-24 Limits checking results
Power Meter
Swept Source
OUT
OUT
Device
Under Test
+4 dBm
+10 dBm
Amplitude
Frequency
o
o
o
o
o
o
o
Fail
Fail
Upper limit line
Lower limit line
- Agilent N1913/1914A 1
- EPM Series Power 1
- Certification 3
- General Warranty 3
- Warranty Service 3
- Limitation of Warranty 4
- Exclusive Remedies 4
- Restricted Rights Legend 5
- Technology Licenses 5
- Safety Summary 6
- Safety Notices 6
- Safety Symbols 7
- General Safety Information 8
- In This Guide 10
- 9 Maintenance 11
- Contents 13
- 9 Maintenance 15
- List of Figures 17
- indicator 137 19
- indicator 161 20
- List of Tables 21
- Specifications 25
- Introduction 1 27
- 1 Introduction 28
- The Display Layout 32
- Window Symbols and Pop-ups 35
- Wait Symbol Pop-up 36
- Confirm Symbol Pop-up 36
- Numeric Entry Pop-up 36
- Text Entry Pop-up 37
- List Pop-up 37
- Rear Panel Connections 38
- Using the Remote Front Panel 43
- Capturing the Screen Image 47
- Getting the Instrument Data 48
- Making Socket Connection 49
- HP 436A, HP 437B, and SCPI 51
- HP 438A, and SCPI 51
- General Power Meter Functions 53
- Setting the Resolution 56
- Making Relative Measurements 57
- Relative indicator 58
- Setting Offsets 59
- Setting Channel Offsets 60
- Setting Display Offsets 61
- Selected window/ 62
- Offset value field 62
- Offset setting field 62
- up window 68
- Setting Measurement Averaging 71
- Step Detection 73
- Measuring Pulsed Signals 74
- Power Sweep Mode 77
- Frequency Sweep Mode 81
- Setting Measurement Limits 84
- Setting Limits 85
- Checking for Limit Failures 87
- Numeric Format 88
- Single Function Measurement 89
- Combined Measurement 90
- Max Hold/Min Hold 91
- Recorder Output 94
- Save/Recall 97
- Editing a Register’s Name 98
- Recalling a Measurement Setup 98
- Zeroing the Power Meter 99
- Zero/Cal Lockout 100
- Calibration 101
- Blank Screen 106
- Secure Blank 107
- Backlight Intensity Control 112
- Memory Erase/Secure Erase 113
- Secure Erase 114
- Figure 2-58 Warning pop-up 115
- VGA Output (Optional) 116
- Warm Start 117
- Running Under Battery Power 118
- Battery Menu 119
- Battery Status Display 120
- Low Power Battery Condition 120
- Display Backlight Control 121
- Battery General Information 122
- Running Time 123
- Setting the Cable Short/Long 124
- Agilent Technologies 125
- Introduction 126
- Power Meter Configuration 127
- Default Channel Setup 128
- Measurement Accuracy 129
- Procedure 130
- CDMA Signal Measurements 133
- Multitone Signal Measurements 134
- Measuring TDMA Signals 135
- Setting the Range 138
- Measurement Considerations 139
- Accuracy 140
- Speed and Averaging 140
- to complete the entry 156
- Calibration Factor 156
- Sensor Calibration Tables 158
- Insert Char 163
- Delete Char 163
- display mode is chosen, the 180
- Sensor Table 2 Selected 183
- Number of Averages 192
- Sensor Dynamic Range 192
- High Power Path 192
- Low Power Path 192
- Expected Power 192
- Calibrating 209
- Zero+Cal 211
- FDO Table Editing 211
- Reference Manual 212
- Maintenance 213
- Self Test 214
- Instrument Self Test 215
- Remote Testing 216
- Test Descriptions 216
- Real Time Clock (RTC) Battery 217
- Channel CW Path 217
- Error Indicator 218
- Error Queue Message 219
- Error Message List 220
- do not correspond in length 223
- Operator Maintenance 229
- Check the Basics 231
- Instrument serial numbers 231
- MADE IN MALAYSIA 232
- Erasing Memory Data 233
- Conditions 239
- Power Meter Specifications 240
- Power Sensor Specifications 241
- Zero Drift of Sensors 245
- Measurement Noise 245
- Settling Time 249
- Measurement Characteristics 254
- Line Power 255
- 1 mW Power Reference 256
- Environmental Conditions 257
- Physical Characteristics 258
- Regulatory Information 259
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