1 Performance Tests
38 Keysight 53210A/53220A/53230A Assembly Level Service Guide
Test 1: (Q) Absolute time base
This test uses the Keysight 53210A/53220A/53230A Frequency Counters to
measure the absolute frequency of the internal 10 MHz clock.
Equipment
– FS725 Rubidium timebase
– CG635 signal generator (E8257D-520 is a valid substitute)
– Keysight 10503 BNC cables (2)
CG635 signal generator setup
1 Set Output Channel: Q
2 Set Output Level: +7 dBm
3 Set Frequency: 10 MHz
Table 1-2 The Keysight 53210A/53220A/53230A performance tests
[a]
Test description
[a] Other counter measurement functions are mathematically derived by the processor from the
parameters verified by these performance tests.
Test 1: Absolute time base
Test 2: Frequency accuracy - channels 1 and 2
Test 3: Single period
Test 4: Pulse width
Test 5: Time interval
Test 6: Frequency accuracy - microwave channel options 106 and 115
Test 7: Pulse burst frequency - 53230A channel 3 option 150
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