Agilent 8163A/B, 8164A/B & 8166A/B Mainframes, Sixth Edition 17
Figure 95 Measuring the Reflection Reference . . . . . . . . . . . . . . . . . . . . . . . . . .178
Figure 96 Termination Calibration - External source . . . . . . . . . . . . . . . . . . . . .179
Figure 97 Termination Calibration - Internal Source . . . . . . . . . . . . . . . . . . . . . .179
Figure 98 Measuring the Return Loss of the Reference Cable -
External Source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .180
Figure 99 Measuring the Return Loss of the Reference Cable -
Internal Source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .180
Figure 100 Power Transmitted through the Reference Cable -
External Source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .181
Figure 101 Power Transmitted through the Reference Cable -
Internal Source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .181
Figure 102 Power Transmitted through the Measurement Patchcord -
External Source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .182
Figure 103 Power Transmitted through the Measurement Patchcord -
Internal Source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .182
Figure 104 Measuring the Termination Parameter - External Source . . . . . . . .183
Figure 105 Measuring the Termination Parameter - Internal Source . . . . . . . .183
Figure 106 Measuring the Return Loss of the DUT
(in this example: a Connector Pair) . . . . . . . . . . . . . . . . . . . . . . . . . . .184
Figure 107 Measuring the Power Transmitted through the DUT
(a Connector Pair) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .184
Figure 108 The Calibration Parameters Screens - Return Loss Diode . . . . . . . .186
Figure 109 The Calibration Parameters Screens - Monitor Diode . . . . . . . . . . .187
Figure 110 The Calibration Parameters Screens - User Data . . . . . . . . . . . . . . .188
Figure 111 Measuring the Power from a Component with a Known
Reflection Factor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .189
Figure 112 Measuring the Power transmitted through the Reflection
Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .190
Figure 113 Measuring the Power with the Connector Terminated . . . . . . . . . .190
Figure 114 Measuring the Power transmitted through the Measurement
Patchcord . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .191
Figure 115 Measuring the Reflections from the Device Under Test . . . . . . . . .191
Figure 116 Measuring the Power transmitted through the Device Under Test 192
Figure 117 Generalization of a Return Loss Measurement . . . . . . . . . . . . . . . . .195
Figure 118 81576A/77A Attenuator module power control loop . . . . . . . . . . . .198
Figure 119 81570A/71A/73A Attenuator module, 8164A/B GUI Overview . . .199
Figure 120 81570A/71A/73A Attenuator module, 8164A/B GUI Details . . . . .200
Figure 121 Attenuation factor set to 4.000 dB . . . . . . . . . . . . . . . . . . . . . . . . . . . .203
Figure 122 81570A/71A/73A - Attenuation factor applied with no offset . . . .205
Figure 123 81570A/71A/73A Attenuation Offset . . . . . . . . . . . . . . . . . . . . . . . . .205
Figure 124 81576A/77A Setting P
SET
after calibration using [PM->Off] . . . . .211
Figure 125 The λ Offset Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .213
Figure 126 Extrapolation and Interpolation of Offset Values . . . . . . . . . . . . . . . .215
Figure 127 81570A/71A/73A Attenuator Menu Options . . . . . . . . . . . . . . . . . .217
Figure 128 81576A/77A Attenuator Menu Options . . . . . . . . . . . . . . . . . . . . . . .217
Figure 129 Agilent 81594B Optical Switch module
( 1x4, angled contact connectors) . . . . . . . . . . . . . . . . . . . . . . . . . . . .220
Figure 130 Optical Switch module, User Interface Overview display . . . . . . . . .221
Figure 131 Optical Switch module, 8164A/B User Interface Details . . . . . . . . .222
Figure 132 Laser Source selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .226
Figure 133 Measurement Path selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .227
Figure 134 Circuit selection with crossover switch . . . . . . . . . . . . . . . . . . . . . . .227