Agilent Technologies 20ET ユーザーズマニュアル
6- 59
Calibrating for Increased Measurement Accuracy
Calibrating Using Electronic Calibration (ECal)
Connect the ECal Equipment
1. Connect the power supply to the PC interface unit. Refer to
Figure 6-21 ECal Setup
2. Connect the power supply to the ac source.
3. Connect one end of a DB25 cable to the Parallel Port connector on the rear of the
network analyzer. Connect the other end of the DB25 cable to the connector on the PC
interface unit labeled "DB25 Interface to Parallel Interface on Personal Computer."
interface unit labeled "DB25 Interface to Parallel Interface on Personal Computer."
CAUTION
Only connect the DB25 cable to the Parallel Port connector of the network
analyzer.
analyzer.
If the cable is connected to the Test Set - I/O Interconnect connector, damage
to the PC interface unit could occur.
to the PC interface unit could occur.
NOTE
For steps 3 through 5, use the three DB25 cables (part number 8120-8710)
shipped with the 85097A Electronic Calibration System. Other cables may
not give reliable results.
shipped with the 85097A Electronic Calibration System. Other cables may
not give reliable results.
4. Connect one end of a DB25 cable to the connector on the PC interface unit labeled
"DB25 Interface to ECal Module A." Connect the other end of the DB25 cable to the
parallel cable connector on the ECal module.
parallel cable connector on the ECal module.