Model 8020
A-1
Appendix A
Performance Checks Procedure
Amendment
5-10-2. Frequency - Continuous Mode
Accuracy specifications: +/-3 % of full scale up to 9.999 Hz; +/-0.1 % of full scale up to 20.00 MHz (full
scale reading is 2000 counts)
Equipment: Counter
1. Set 8020 as follows:
CONTROL POSITION
Amplitude 1.50 V
Offset 0.00 V
Trigger Mode Continuous
Display Modify FREQ
Operating Mode Normal
Output Squarewave
2. Set counter to frequency measurement.
3. Set 8020 frequency and verify counter frequency reading as follows:
8020 SETTING COUNTER READING
19.99 Hz 19.97 Hz - 20.01 Hz
199.9 Hz 199.7 Hz - 200.1 Hz
1.999 KHz 1.997 KHz - 2.001 KHz
19.99 KHz 19.97 KHz - 20.01 KHz
199.9 KHz 199.7 KHz - 200.1 KHz
1.999 MHz 1.997 KHz - 2.001 MHz
20.00 MHz 19.98 MHz - 20.02 MHz
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