Keysight U8001A, Руководство пользователя и сервисное руководство

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5 Service Guide
58 Keysight U8001A/U8002A User’s and Service 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 Keysight 3458A Measures accurate DC
voltage
PV
[a]
C
[b]
Oscilloscope – Sensitivity: 1 mV
– Bandwidth limit: 20 MHz
– Probe:
– 1:1 with RF tip
– 10:1 with RF tip for > 50 V
Keysight 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 &
Tektronix TCPA300
Converts current to
voltage
Electronic Load – Voltage range: 30 Vdc
– Current range: 5 A
– Open and Short switches
– Transient On/Off Keysight 6060B Measures load and line
regulations and transient
response time
PV
AC Power Source Capable of supplying
90 Vac to 250 Vac Keysight 6813B Functions as variable
voltage transformer
PV