Agilent Technologies NFA Series, Руководство по проверке работоспособности и калибровке

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Chapter 2 15
Test Descriptions
10 MHz Out Frequency Reference Accuracy
Required Test Equipment
The frequency standard provides the reference for the Universal Counter. You can
use a company-specific standard in place of the 5071A, providing it meets the
critical specifications as listed in Table 2-1.
Test Setup
Before starting the 10 MHz Out Frequency Reference Accuracy Test, connect the
equipment as shown in Figure 2-1.
Figure 2-1 10 MHz Out Frequency Reference Accuracy Test Setup
Table 2-1 10 MHz Out Frequency Reference Accuracy Test Equipment
Equipment description Critical specification for equipment
substitution Recommended model
Universal Counter Time Interval Range: 25ms to 100ms
Single Operation Range: +2.5 to -2.5Vdc
53132A
Frequency Standard Frequency: 10 MHz Timebase Accuracy
(Aging): < 1 x 10
-10
/day
5071A
BNC Lead (X 2) Length 122cm (48 in.), Frequency
10 MHz 10503A
NOISE FIGURE
ANALYZER
FREQUENCY
STANDARD
UNIVERSAL
COUNTER
BNC Cable
10 MHz
Ref Out
Ref In
10 MHz
BNC Cable
Channel 1