Agilent Technologies HP 8566B Spécifications Page 172

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2. High-Voltage Adjustment (SN 3001A and Below)
DIGITIZING
DSCI
LLOSCDPE
DIGITAL
VDLTMTER
HI-VDLTAGE
SIGNAL
ANALYZER
Figure 3-5. High Voltage Adjustment Setup
Equipment
Digital Voltmeter (DVM)
....................................
HP 3456A
DC High-Voltage Probe (1000: 1 divider)
.................. HP
34lllA
Display Adjustment PC Board (service accessory)
...
HP 85662-60088
Digitizing Oscilloscope
....................................
HP 54501A
1O:l
Divider Probe ........................................ HP
10432A
Function Generator
(2
required) ...........................
HP 3312A
High-Voltage
Adjustment
Procedure
Warning
In the following procedure, it is necessary to probe voltages
which, if contacted, could cause serious personal injury. Use
a nonmetallic alignment tool when making adjustments. Be
extremely careful.
Warning
Do not attempt to measure the CRT filament voltage directly. The
filament voltage is referenced to the high-voltage cathode and
can only be measured safely with a special high-voltage true-rms
voltmeter and probe.
1. Set the spectrum analyzer LINE switch to STANDBY.
2. Remove the top cover from the IF-Display Section, and connect
the equipment as shown in Figure 3-5 and described in the
following steps.
3. Set the DVM to the 100 V range, and connect the DVM to
AlA7TP3 (+ 100 V). Do not use the high-voltage probe. See
Figure 3-6 for the location of
AlA7TP3.
Note
The accuracy of the high-voltage probe is specified for a probe
connected to a dc voltmeter with 10
M62
input resistance. HP 3456A
and HP 3455A digital voltmeters have a 10
Md)
input resistance on the
100 V and 1000 V ranges. All measurements in this procedure should
3-32 Adjustments
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