Individual Test Description; Test Signal Frequency Accuracy Test - Keysight Technologies E4981A Service Manual

Individual Test Description

1. Test Signal Frequency Accuracy Test

Description
This test checks the frequency accuracy of the E4981A test signal.
Specification
@23 ± 5 ⋅C
Frequency [Hz]
120 to 1M
*1.Option 001 only.
Test equipment
Frequency Counter
Interface Box
Test Leads (BNC), 2m
BNC(f)-BNC(f) Adapter
BNC(m)-BNC(m) Cable (122cm)
Test point and limits
Cable Length : 2 m
Frequency Frequency Shift
120 Hz 0 %
1 kHz 0 %
*1 -2 %
1 MHz
-1 %
0 %
+1 %
+2 %
*1.Option 001 only.
Chapter 2
Spec.
± 0.02%
*1
Keysight 53131A or Keysight 53181A
Keysight 04284-65007
Keysight 16048D
Keysight 1250-1830, 4ea
Keysight 8120-1840
Test Limit
± 0.024 Hz
± 0.20 Hz
± 196 Hz
± 198 Hz
± 200 Hz
± 202 Hz
± 204 Hz
Performance Test
Individual Test Description
Measurement TAR
Uncertainty
± 0.00093 Hz
25.88
± 0.00784 Hz
25.51
± 7.93 Hz
24.74
± 7.93 Hz
24.97
± 7.93 Hz
25.24
± 7.93 Hz
25.49
± 7.92 Hz
25.77
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