44 U8001A/U8002A User’s and Service Guide
5Service Guide
Recommended Test Equipment
The test equipment recommended for the calibration and
adjustment is listed below. If the exact instrument is not
available, substitute the calibration standards of equivalent
requirement(s).
Table 5 - 2 List of Equipment
Equipment Requirement(s) Recommended Model Purpose Used
Digital Multimeter
(DMM)
8½ digits resolution Agilent 3458A Measures accurate
DC voltage
PV
*
C
†
Oscilloscope • Sensitivity: 1 mV
• Bandwidth limit: 20 MHz
• Probe:
• 1:1 with RF tip
• 10:1 with RF tip for > 50 V
Agilent DSO8064A or
Infiniium equivalent
Displays transient
response. Displays
ripple and noise
waveform.
PV
Differential
Amplifier
• Bandwidth > 20 MHz
(bandwidth limit : 20 MHz)
• AC coupling
• Amplifier x10
LeCroy DA1855A Signal conditioning
preamplifiers
PV
RMS Volt Meter 20 Hz to 20 MHz R&S URE3 Measures RMS noise PV
50 Ω Feed-through
Termination
Pomona Loads termination to
match output
impedance of the
differential amplifier
PV
AC/DC Current
Converter
Tektronix TCP305 &
Tek t r o n i x T C PA 3 0 0
Converts current to
voltage
Electronic Load • Voltage range: 30 Vdc
• Current range: 5 A
• Open and Short switches
• Tran sient On/Off
Agilent 6060B Measures load and
line regulations and
transient response
time
PV
AC Power Source Capable of supplying
90 Vac to 250 Vac
Agilent 6813B Functions as variable
voltage transformer
PV
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