Technical data
64 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 - 7 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
• Tra nsi ent 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










